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December

Weather in Spa in december

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Averaged values across several years

Daily air temperature for the month

Day Night

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December	Day	Night	Wind	Precip	Humidity
1Mon	+3°C	-0°C	4 m/s	1 mm	88%
2Tue	+3°C	-1°C	3 m/s	0.4 mm	90%
3Wed	+3°C	-1°C	3 m/s	0.2 mm	91%
4Thu	+4°C	-0°C	4 m/s	0.4 mm	88%
5Fri	+4°C	0°C	4 m/s	0.8 mm	91%
6Sat	+4°C	-0°C	4 m/s	0.6 mm	91%
7Sun	+4°C	+1°C	4 m/s	0.7 mm	93%
8Mon	+5°C	+2°C	4 m/s	0.5 mm	92%
9Tue	+4°C	+1°C	4 m/s	1.2 mm	92%
10Wed	+4°C	0°C	4 m/s	0.4 mm	89%
11Thu	+4°C	0°C	4 m/s	0.5 mm	91%
12Fri	+5°C	0°C	3 m/s	0.1 mm	92%
13Sat	+5°C	+1°C	3 m/s	0.5 mm	87%
14Sun	+5°C	+1°C	4 m/s	0.2 mm	90%
15Mon	+6°C	+1°C	3 m/s	0.3 mm	88%
16Tue	+7°C	+3°C	3 m/s	0.1 mm	90%
17Wed	+7°C	+3°C	3 m/s	0 mm	85%
18Thu	+7°C	+3°C	4 m/s	0.2 mm	82%
19Fri	+8°C	+4°C	5 m/s	1.6 mm	87%
20Sat	+7°C	+3°C	4 m/s	0.6 mm	89%
21Sun	+7°C	+3°C	5 m/s	1.4 mm	88%
22Mon	+7°C	+3°C	6 m/s	1.9 mm	83%
23Tue	+7°C	+3°C	5 m/s	1.5 mm	88%
24Wed	+6°C	+2°C	5 m/s	0.9 mm	91%
25Thu	+6°C	+3°C	4 m/s	1.4 mm	89%
26Fri	+6°C	+1°C	4 m/s	0.5 mm	88%
27Sat	+6°C	+2°C	4 m/s	0.6 mm	84%
28Sun	+6°C	+1°C	4 m/s	0.5 mm	81%
29Mon	+6°C	+2°C	4 m/s	0.7 mm	78%
30Tue	+7°C	+2°C	4 m/s	0.6 mm	83%
31Wed	+7°C	+2°C	4 m/s	0.7 mm	85%

Day and night air temperature

Day +6°C Night +1°C

Weather highs and lows in Spa for december

Warmest day: 19 december, +8°C
Coldest night: 3 december, -1°C
Max precipitation: 22 december, 1.9 mm

Climate in Spa in december

Average daytime temperature: +6°C
Average nighttime temperature: +1°C
Precipitation (monthly average): 21.2 mm
Days with precipitation: 6.7
Humidity: 88%
Wind: 4 m/s
Data: 7 years / coverage 100%

Daily air temperature for the month

Day Night

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December	Day	Night	Wind	Precip	Humidity
1Mon	+4°C	-1°C	3-5 m/s, S	0 mm	90%
2Tue	+4°C	+3°C	5-7 m/s, S	0.1 mm	79%
3Wed	+6°C	+3°C	2 m/s, SSW	0 mm	91%
4Thu	+5°C	+3°C	5-7 m/s, S	0.1 mm	91%
5Fri	+6°C	+2°C	4-5 m/s, SSW	0 mm	85%
6Sat	+8°C	+3°C	6-8 m/s, SSW	0.5 mm	86%
7Sun	+12°C	+7°C	5 m/s, SSW	2 mm	92%
8Mon	+12°C	+11°C	5-6 m/s, SSW	0.3 mm	94%
9Tue	+12°C	+8°C	5 m/s, SSW	0 mm	85%
10Wed	+11°C	+8°C	3-4 m/s, SW	0.2 mm	90%
11Thu	+9°C	+4°C	2-3 m/s, S	0 mm	91%
12Fri	+10°C	+6°C	3 m/s, S	0 mm	93%
13Sat	+9°C	+5°C	1-2 m/s, W	0 mm	92%
14Sun	+8°C	+4°C	2 m/s, S	0 mm	92%
15Mon	+8°C	+3°C	4 m/s, S	0 mm	86%
16Tue	+9°C	+5°C	3-4 m/s, SE	0 mm	73%
17Wed	+10°C	+5°C	2 m/s, SSW	0 mm	85%
18Thu	+9°C	+7°C	6-7 m/s, SSW	0 mm	86%
19Fri	+10°C	+5°C	5-7 m/s, SW	0.7 mm	89%
20Sat	+9°C	+4°C	3-4 m/s, SSE	0.7 mm	89%
21Sun	+10°C	+5°C	3-4 m/s, ESE	0 mm	86%
22Mon	+7°C	+1°C	3-4 m/s, SE	0 mm	76%
23Tue	+5°C	0°C	3-5 m/s, E	0 mm	81%
24Wed	+1°C	-4°C	7 m/s, NE	0 mm	78%
25Thu	+1°C	-4°C	6-8 m/s, E	0 mm	52%
26Fri	+4°C	-3°C	3 m/s, ESE	0 mm	70%
27Sat	+7°C	0°C	2-3 m/s, NE	0 mm	59%
28Sun	+5°C	-2°C	2-3 m/s, ESE	0 mm	76%
29Mon	+4°C	-1°C	2-3 m/s, NNE	0 mm	62%
30Tue	+2°C	-5°C	3-4 m/s, NNE	0 mm	82%
31Wed	+1°C	-4°C	1-2 m/s, W	0 mm	82%

Weather highs and lows in Spa for december

Warmest day: 7 december, +12°C
Coldest night: 30 december, -5°C
Max precipitation: 7 december, 2 mm

Climate in Spa in december

Year: 2025
Average daytime temperature: +7°C
Average nighttime temperature: +3°C
Precipitation (month): 4.6 mm
Days with precipitation: 1
Humidity: 83%
Wind: 4 m/s

Daily air temperature for the month

Day Night

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December	Day	Night	Wind	Precip	Humidity
1Sun	+6°C	0°C	4 m/s, S	0 mm	68%
2Mon	+9°C	+5°C	4-5 m/s, SSW	0.2 mm	91%
3Tue	+5°C	-2°C	3-4 m/s, NNW	0.8 mm	94%
4Wed	+3°C	-1°C	2 m/s, WSW	0 mm	90%
5Thu	+6°C	+1°C	5-8 m/s, S	1.7 mm	93%
6Fri	+8°C	+2°C	8-10 m/s, W	1.6 mm	92%
7Sat	+7°C	+3°C	6-8 m/s, SW	0.9 mm	86%
8Sun	+3°C	+1°C	5-6 m/s, E	0.6 mm	96%
9Mon	+3°C	+1°C	4-5 m/s, NNE	0.8 mm	94%
10Tue	+3°C	+2°C	4-6 m/s, ENE	0.4 mm	90%
11Wed	+2°C	-1°C	2-3 m/s, NE	0 mm	90%
12Thu	+5°C	-1°C	1 m/s, ENE	0 mm	79%
13Fri	+4°C	-1°C	2-3 m/s, SSE	0 mm	77%
14Sat	+3°C	-2°C	3-5 m/s, SW	0.1 mm	89%
15Sun	+5°C	0°C	4 m/s, SW	0 mm	96%
16Mon	+8°C	+6°C	5-6 m/s, WSW	0.3 mm	96%
17Tue	+7°C	+5°C	4 m/s, SSW	0.1 mm	95%
18Wed	+9°C	+5°C	5-6 m/s, SW	0 mm	80%
19Thu	+11°C	+2°C	7 m/s, W	7.1 mm	92%
20Fri	+3°C	0°C	4-5 m/s, WSW	0.9 mm	95%
21Sat	+7°C	+3°C	5-6 m/s, WSW	0.7 mm	94%
22Sun	+7°C	0°C	7-9 m/s, W	1.5 mm	89%
23Mon	+3°C	0°C	6-8 m/s, NW	0.9 mm	92%
24Tue	+3°C	-2°C	2-4 m/s, S	0.6 mm	96%
25Wed	+7°C	+3°C	1-2 m/s, S	0.1 mm	98%
26Thu	+11°C	+6°C	1 m/s, ESE	0 mm	89%
27Fri	+8°C	+3°C	1-2 m/s, SSE	0 mm	71%
28Sat	+7°C	+1°C	1-2 m/s, SW	0 mm	54%
29Sun	+5°C	0°C	2 m/s, WSW	0 mm	70%
30Mon	+6°C	+1°C	2 m/s, SSW	0 mm	90%
31Tue	+4°C	0°C	3-4 m/s, SSW	0 mm	88%

Weather highs and lows in Spa for december

Warmest day: 19 december, +11°C
Coldest night: 3 december, -2°C
Max precipitation: 19 december, 7.1 mm

Climate in Spa in december

Year: 2024
Average daytime temperature: +6°C
Average nighttime temperature: +1°C
Precipitation (month): 19.3 mm
Days with precipitation: 4
Humidity: 88%
Wind: 4 m/s

Daily air temperature for the month

Day Night

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December	Day	Night	Wind	Precip	Humidity
1Fri	-2°C	-5°C	2-3 m/s, NE	0 mm	91%
2Sat	-1°C	-8°C	2 m/s, NNW	0 mm	93%
3Sun	0°C	-6°C	4-6 m/s, S	0.5 mm	84%
4Mon	+3°C	-2°C	7-8 m/s, SSE	0.5 mm	76%
5Tue	+4°C	+1°C	5-6 m/s, SSW	2.2 mm	97%
6Wed	+3°C	-2°C	3-4 m/s, WNW	0.3 mm	96%
7Thu	+2°C	-2°C	4-6 m/s, SSE	0 mm	88%
8Fri	+6°C	+1°C	4-6 m/s, S	0.6 mm	89%
9Sat	+8°C	+4°C	5-7 m/s, S	5 mm	93%
10Sun	+8°C	+5°C	8 m/s, WSW	1.1 mm	86%
11Mon	+9°C	+6°C	7-8 m/s, WSW	1.3 mm	90%
12Tue	+9°C	+4°C	3-4 m/s, SSE	0 mm	96%
13Wed	+8°C	+5°C	3-4 m/s, SW	0.2 mm	92%
14Thu	+5°C	+2°C	3-4 m/s, WNW	0.5 mm	97%
15Fri	+6°C	+2°C	2 m/s, W	0 mm	94%
16Sat	+6°C	+1°C	2-3 m/s, WSW	0 mm	93%
17Sun	+9°C	+4°C	2-3 m/s, SSW	0 mm	91%
18Mon	+8°C	+3°C	3 m/s, SSW	0 mm	82%
19Tue	+6°C	+2°C	5-6 m/s, SSW	2.4 mm	82%
20Wed	+6°C	+3°C	5-6 m/s, W	1.5 mm	96%
21Thu	+8°C	+5°C	8-10 m/s, WSW	5.4 mm	96%
22Fri	+6°C	+4°C	8-9 m/s, WNW	3.2 mm	92%
23Sat	+7°C	+5°C	8 m/s, W	1.6 mm	93%
24Sun	+10°C	+7°C	8-9 m/s, SW	2.9 mm	94%
25Mon	+9°C	+8°C	7-8 m/s, SW	4.9 mm	96%
26Tue	+8°C	+3°C	6-7 m/s, W	2.1 mm	91%
27Wed	+7°C	+4°C	4-7 m/s, S	0 mm	92%
28Thu	+8°C	+6°C	7-8 m/s, SW	0.5 mm	82%
29Fri	+8°C	+6°C	7-8 m/s, SW	1.2 mm	89%
30Sat	+8°C	+5°C	6-8 m/s, SW	1.8 mm	86%
31Sun	+8°C	+3°C	7-8 m/s, SW	0.8 mm	83%

Weather highs and lows in Spa for december

Warmest day: 24 december, +10°C
Coldest night: 2 december, -8°C
Max precipitation: 21 december, 5.4 mm

Climate in Spa in december

Year: 2023
Average daytime temperature: +6°C
Average nighttime temperature: +2°C
Precipitation (month): 40.5 mm
Days with precipitation: 14
Humidity: 90%
Wind: 5 m/s

Daily air temperature for the month

Day Night

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December	Day	Night	Wind	Precip	Humidity
1Thu	+4°C	+1°C	2-3 m/s, NNE	0 mm	94%
2Fri	+3°C	-2°C	3-4 m/s, ENE	0.9 mm	88%
3Sat	+1°C	-2°C	3-4 m/s, E	0 mm	85%
4Sun	+3°C	-3°C	2 m/s, E	0 mm	88%
5Mon	+1°C	-1°C	1-2 m/s, NNE	1.7 mm	94%
6Tue	+2°C	-1°C	2 m/s, NNE	0.1 mm	90%
7Wed	+1°C	-2°C	2 m/s, W	0.3 mm	98%
8Thu	-1°C	-4°C	3-4 m/s, WSW	0.8 mm	97%
9Fri	-1°C	-7°C	1-2 m/s, ENE	0 mm	92%
10Sat	-1°C	-8°C	1-2 m/s, ENE	0 mm	89%
11Sun	0°C	-6°C	1 m/s, SW	0 mm	91%
12Mon	-2°C	-9°C	2 m/s, SE	0 mm	86%
13Tue	-2°C	-8°C	4-5 m/s, ESE	0 mm	66%
14Wed	-1°C	-6°C	2-4 m/s, NW	0 mm	87%
15Thu	0°C	-8°C	1 m/s, NNE	0 mm	72%
16Fri	-1°C	-7°C	2-3 m/s, ENE	0 mm	90%
17Sat	-2°C	-8°C	1-2 m/s, SSE	0 mm	60%
18Sun	0°C	-7°C	5-6 m/s, SSE	0 mm	50%
19Mon	+6°C	0°C	6-7 m/s, S	0.8 mm	84%
20Tue	+9°C	+7°C	6 m/s, S	0.2 mm	88%
21Wed	+8°C	+5°C	4-5 m/s, WSW	1.6 mm	95%
22Thu	+10°C	+5°C	6-7 m/s, WSW	3 mm	89%
23Fri	+11°C	+9°C	6-8 m/s, SW	2.3 mm	92%
24Sat	+8°C	+5°C	5-7 m/s, WSW	0.4 mm	88%
25Sun	+11°C	+7°C	5-7 m/s, SSE	0.9 mm	92%
26Mon	+9°C	+1°C	6-7 m/s, W	0.9 mm	86%
27Tue	+4°C	+1°C	4-5 m/s, SSW	0.2 mm	88%
28Wed	+8°C	+2°C	6-7 m/s, SSW	0.3 mm	85%
29Thu	+9°C	+5°C	8-9 m/s, SW	2.4 mm	87%
30Fri	+11°C	+2°C	7-9 m/s, S	1.2 mm	90%
31Sat	+14°C	+10°C	8-10 m/s, SW	0.9 mm	87%

Weather highs and lows in Spa for december

Warmest day: 31 december, +14°C
Coldest night: 12 december, -9°C
Max precipitation: 22 december, 3 mm

Climate in Spa in december

Year: 2022
Average daytime temperature: +4°C
Average nighttime temperature: -1°C
Precipitation (month): 18.9 mm
Days with precipitation: 6
Humidity: 86%
Wind: 4 m/s

Daily air temperature for the month

Day Night

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December	Day	Night	Wind	Precip	Humidity
1Wed	+6°C	+3°C	7-8 m/s, WSW	2.4 mm	94%
2Thu	+2°C	-2°C	4 m/s, WNW	1.9 mm	98%
3Fri	+1°C	-3°C	5-6 m/s, SW	0 mm	93%
4Sat	+4°C	+1°C	4-6 m/s, WSW	1.4 mm	98%
5Sun	+2°C	+1°C	5-6 m/s, WSW	0.1 mm	96%
6Mon	+2°C	-2°C	3-4 m/s, S	0 mm	95%
7Tue	+2°C	0°C	6-8 m/s, SW	0.5 mm	91%
8Wed	+3°C	-1°C	5-8 m/s, S	0.2 mm	92%
9Thu	+2°C	-2°C	3-5 m/s, S	0 mm	94%
10Fri	+2°C	0°C	5-7 m/s, S	0.7 mm	94%
11Sat	+2°C	0°C	4-5 m/s, WNW	0.1 mm	99%
12Sun	+4°C	-1°C	4 m/s, S	0.4 mm	99%
13Mon	+8°C	+3°C	2 m/s, S	0 mm	95%
14Tue	+7°C	+4°C	2-3 m/s, SSW	0 mm	94%
15Wed	+8°C	+3°C	1 m/s, SW	0.1 mm	91%
16Thu	+8°C	+4°C	1 m/s, N	0.1 mm	92%
17Fri	+8°C	+4°C	2-3 m/s, NE	0 mm	92%
18Sat	+7°C	+4°C	3 m/s, NE	0 mm	92%
19Sun	+5°C	+3°C	2-4 m/s, NW	0 mm	93%
20Mon	+4°C	-1°C	3-4 m/s, ENE	0 mm	80%
21Tue	+4°C	-4°C	2 m/s, E	0 mm	66%
22Wed	+2°C	-3°C	3-4 m/s, SSE	0 mm	56%
23Thu	+4°C	-2°C	4-5 m/s, S	0 mm	67%
24Fri	+7°C	+5°C	4-5 m/s, SW	0 mm	98%
25Sat	+6°C	+3°C	2-3 m/s, SE	0.4 mm	97%
26Sun	+6°C	+3°C	3-4 m/s, SSE	0.4 mm	96%
27Mon	+8°C	+5°C	4-5 m/s, SSE	0.7 mm	94%
28Tue	+8°C	+7°C	6-9 m/s, W	2.2 mm	92%
29Wed	+12°C	+7°C	6-9 m/s, SSW	1.5 mm	95%
30Thu	+13°C	+9°C	6 m/s, WSW	0.8 mm	94%
31Fri	+12°C	+8°C	5 m/s, S	0.3 mm	90%

Weather highs and lows in Spa for december

Warmest day: 30 december, +13°C
Coldest night: 21 december, -4°C
Max precipitation: 1 december, 2.4 mm

Climate in Spa in december

Year: 2021
Average daytime temperature: +6°C
Average nighttime temperature: +2°C
Precipitation (month): 14.2 mm
Days with precipitation: 5
Humidity: 91%
Wind: 4 m/s

Daily air temperature for the month

Day Night

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December	Day	Night	Wind	Precip	Humidity
1Tue	+4°C	+2°C	4-5 m/s, NW	4.2 mm	97%
2Wed	+4°C	0°C	1-2 m/s, ESE	0 mm	92%
3Thu	+3°C	0°C	4-7 m/s, S	0.3 mm	94%
4Fri	+5°C	0°C	7-9 m/s, S	1 mm	89%
5Sat	+3°C	0°C	4-5 m/s, S	0 mm	90%
6Sun	+4°C	0°C	2-3 m/s, SE	0 mm	88%
7Mon	+1°C	-1°C	2-3 m/s, SW	0.4 mm	98%
8Tue	+3°C	-2°C	2-4 m/s, E	0.3 mm	88%
9Wed	+1°C	-2°C	2 m/s, WSW	0 mm	95%
10Thu	+1°C	-3°C	3 m/s, SSE	0 mm	90%
11Fri	+3°C	-3°C	5-6 m/s, SSE	0.5 mm	90%
12Sat	+5°C	+2°C	2-3 m/s, S	0.1 mm	97%
13Sun	+6°C	+3°C	3-5 m/s, SW	0.3 mm	93%
14Mon	+7°C	+3°C	5-6 m/s, S	0 mm	88%
15Tue	+9°C	+5°C	4-5 m/s, S	1.8 mm	92%
16Wed	+8°C	+5°C	4-5 m/s, SSE	0 mm	93%
17Thu	+7°C	+3°C	5 m/s, SW	0 mm	91%
18Fri	+7°C	+4°C	4-5 m/s, S	0 mm	92%
19Sat	+9°C	+5°C	6-7 m/s, SSW	0.3 mm	88%
20Sun	+7°C	+3°C	3-4 m/s, SSW	0 mm	92%
21Mon	+7°C	+4°C	5-8 m/s, S	2.1 mm	91%
22Tue	+12°C	+8°C	6-9 m/s, WSW	4.2 mm	92%
23Wed	+12°C	+7°C	5-6 m/s, SSW	4.9 mm	95%
24Thu	+6°C	0°C	5-7 m/s, NNW	2 mm	92%
25Fri	+1°C	-1°C	3-4 m/s, NNW	0.3 mm	95%
26Sat	+1°C	-2°C	4-6 m/s, SW	0.1 mm	93%
27Sun	+3°C	0°C	9-11 m/s, SSW	1.7 mm	90%
28Mon	+1°C	-2°C	4-5 m/s, S	0.6 mm	93%
29Tue	0°C	-2°C	3-6 m/s, WSW	0 mm	95%
30Wed	+2°C	-1°C	3-5 m/s, WSW	0.3 mm	97%
31Thu	+2°C	-2°C	4-6 m/s, S	3 mm	95%

Weather highs and lows in Spa for december

Warmest day: 22 december, +12°C
Coldest night: 10 december, -3°C
Max precipitation: 23 december, 4.9 mm

Climate in Spa in december

Year: 2020
Average daytime temperature: +5°C
Average nighttime temperature: +1°C
Precipitation (month): 28.4 mm
Days with precipitation: 9
Humidity: 92%
Wind: 4 m/s

Daily air temperature for the month

Day Night

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December	Day	Night	Wind	Precip	Humidity
1Sun	+2°C	-2°C	4-5 m/s, ENE	0.5 mm	80%
2Mon	+3°C	-3°C	1 m/s, W	0 mm	92%
3Tue	+5°C	+1°C	1 m/s, ESE	0 mm	96%
4Wed	+6°C	-1°C	2-3 m/s, ESE	0 mm	85%
5Thu	+3°C	-2°C	2-3 m/s, SSW	0 mm	80%
6Fri	+4°C	-1°C	6-8 m/s, SSW	1.8 mm	90%
7Sat	+6°C	+3°C	6-7 m/s, WSW	0.6 mm	96%
8Sun	+9°C	+5°C	7-8 m/s, SW	0.8 mm	91%
9Mon	+6°C	+2°C	8-9 m/s, W	2.3 mm	90%
10Tue	+3°C	-1°C	4-7 m/s, SSW	0.1 mm	87%
11Wed	+3°C	+1°C	5-9 m/s, SW	1.6 mm	89%
12Thu	+3°C	0°C	5-7 m/s, SW	0.1 mm	92%
13Fri	+4°C	+1°C	7-9 m/s, W	3.1 mm	95%
14Sat	+5°C	+2°C	8-9 m/s, W	0.6 mm	86%
15Sun	+9°C	+4°C	6-9 m/s, SW	0.1 mm	85%
16Mon	+9°C	+4°C	5-6 m/s, S	0.4 mm	96%
17Tue	+13°C	+8°C	5-6 m/s, S	0 mm	84%
18Wed	+8°C	+5°C	3-5 m/s, S	1.7 mm	91%
19Thu	+11°C	+8°C	6-7 m/s, S	0 mm	82%
20Fri	+9°C	+4°C	7-8 m/s, SSW	0.8 mm	82%
21Sat	+6°C	+4°C	5-7 m/s, SSW	0.1 mm	89%
22Sun	+7°C	+5°C	7-8 m/s, SW	1.6 mm	90%
23Mon	+5°C	+4°C	6-7 m/s, W	0.7 mm	94%
24Tue	+8°C	+4°C	6-8 m/s, WSW	0.7 mm	89%
25Wed	+7°C	+2°C	5-6 m/s, WNW	3.2 mm	94%
26Thu	+5°C	+1°C	2-4 m/s, S	0 mm	90%
27Fri	+6°C	+1°C	2-3 m/s, ENE	1.9 mm	93%
28Sat	+3°C	-2°C	2 m/s, SE	0 mm	87%
29Sun	+5°C	-1°C	2-3 m/s, SSE	0 mm	50%
30Mon	+7°C	+2°C	3-4 m/s, S	0 mm	41%
31Tue	+7°C	0°C	2 m/s, WNW	0 mm	69%

Weather highs and lows in Spa for december

Warmest day: 17 december, +13°C
Coldest night: 2 december, -3°C
Max precipitation: 25 december, 3.2 mm

Climate in Spa in december

Year: 2019
Average daytime temperature: +6°C
Average nighttime temperature: +2°C
Precipitation (month): 22.7 mm
Days with precipitation: 8
Humidity: 86%
Wind: 5 m/s

Weather in Spa in december by year

Year	Day	Night	Precipitation	Days with precipitation
2025	+7°C	+3°C	4.6 mm	1
2024	+6°C	+1°C	19.3 mm	4
2023	+6°C	+2°C	40.5 mm	14
2022	+4°C	-1°C	18.9 mm	6
2021	+6°C	+2°C	14.2 mm	5
2020	+5°C	+1°C	28.4 mm	9
2019	+6°C	+2°C	22.7 mm	8

Comparison december in Spa with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+4°C	-1°C	9	4
February	+7°C	+1°C	6	5
March	+9°C	+2°C	7	8
April	+12°C	+4°C	4	9
May	+15°C	+7°C	6	7
June	+21°C	+11°C	5	10
July	+21°C	+12°C	6	8
August	+22°C	+13°C	5	11
September	+18°C	+10°C	5	9
October	+13°C	+7°C	7	5
November	+8°C	+3°C	6	5
December	+6°C	+1°C	7	5