Greece / Patri / 18 December

Weather in Patri on 18 December 2026

Preliminary outlook for 18 December 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +16°C and nighttime around +9°C, average precipitation 0 mm, wind around 2 m/s, humidity around 63%.

This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.

← 17 December
Nearby days
19 December →
+12°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +10°C Precipitation: 0 mm Wind: 1 — 2 m/s Humidity: 60%
MetricValue MetricValue
Day temperature (max.) +15°C Sun hours 10 h
UV index 4 Cloud cover (avg.) 4%
Pressure (avg.) 772 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +13°C Dew point (avg.) +5°C
Heat index (avg.) +13°C Wind chill (avg.) +13°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 191° ← (WNW)
Sunrise
07:45
Duration
9 h 30 min
Sunset
17:15
Moonrise
06:29
Moonset
15:40
Moon phase
Waning Crescent
Illumination
1%
+13°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +9°C Precipitation: 0 mm Wind: 1 — 2 m/s Humidity: 54%
MetricValue MetricValue
Day temperature (max.) +16°C Sun hours 10 h
UV index 4 Cloud cover (avg.) 1%
Pressure (avg.) 770 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +13°C Dew point (avg.) +4°C
Heat index (avg.) +13°C Wind chill (avg.) +13°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 121° ↑ (NNE)
Sunrise
07:45
Duration
9 h 30 min
Sunset
17:15
Moonrise
20:26
Moonset
10:35
Moon phase
Waning Gibbous
Illumination
79%
+10°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +6°C Precipitation: 0 mm Wind: 5 — 6 m/s Humidity: 48%
MetricValue MetricValue
Day temperature (max.) +15°C Sun hours 10 h
UV index 3 Cloud cover (avg.) 0%
Pressure (avg.) 773 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +8°C Dew point (avg.) +1°C
Heat index (avg.) +10°C Wind chill (avg.) +8°C
Wind gusts (max.) 13 m/s Wind direction (avg.) 64° ↗ (NE)
Sunrise
07:44
Duration
9 h 31 min
Sunset
17:15
Moonrise
12:10
Moonset
23:26
Moon phase
Waxing Crescent
Illumination
37%
+17°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +15°C Precipitation: 0 mm Wind: 1 — 1 m/s Humidity: 69%
MetricValue MetricValue
Day temperature (max.) +20°C Sun hours 9 h
UV index 4 Cloud cover (avg.) 59%
Pressure (avg.) 767 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +17°C Dew point (avg.) +11°C
Heat index (avg.) +17°C Wind chill (avg.) +17°C
Wind gusts (max.) 3 m/s Wind direction (avg.) 181° ← (WNW)
Sunrise
07:45
Duration
9 h 30 min
Sunset
17:15
Moonrise
01:57
Moonset
13:45
Moon phase
Waning Crescent
Illumination
26%
+8°C
Weather archive — for 2021 year
Overcast
Weather archive — for 2021 year
Nighttime: +5°C Precipitation: 0 mm Wind: 4 — 6 m/s Humidity: 67%
MetricValue MetricValue
Day temperature (max.) +10°C Sun hours 4 h
UV index 3 Cloud cover (avg.) 77%
Pressure (avg.) 762 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +6°C Dew point (avg.) +2°C
Heat index (avg.) +8°C Wind chill (avg.) +6°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 98° ↗ (ENE)
Sunrise
07:45
Duration
9 h 30 min
Sunset
17:15
Moonrise
16:37
Moonset
07:04
Moon phase
Waxing Gibbous
Illumination
97%
+12°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +10°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 72%
MetricValue MetricValue
Day temperature (max.) +15°C Sun hours 10 h
UV index 4 Cloud cover (avg.) 27%
Pressure (avg.) 769 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +12°C Dew point (avg.) +7°C
Heat index (avg.) +12°C Wind chill (avg.) +12°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 71° ↗ (NE)
Sunrise
07:45
Duration
9 h 30 min
Sunset
17:15
Moonrise
11:08
Moonset
21:16
Moon phase
Waxing Crescent
Illumination
20%
+12°C
Weather archive — for 2019 year
Cloudy
Weather archive — for 2019 year
Nighttime: +9°C Precipitation: 0 mm Wind: 1 — 1 m/s Humidity: 74%
MetricValue MetricValue
Day temperature (max.) +18°C Sun hours 8 h
UV index 4 Cloud cover (avg.) 20%
Pressure (avg.) 770 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +15°C Dew point (avg.) +10°C
Heat index (avg.) +15°C Wind chill (avg.) +15°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 220° ↖ (NW)
Sunrise
07:44
Duration
9 h 31 min
Sunset
17:15
Moonrise
No moonrise
Moonset
12:34
Moon phase
Last Quarter
Illumination
50%

Weather in Patri on 18 December in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +15°C +10°C +12°C 10 h 4 60% 1 — 2 m/s
2024 +16°C +9°C +13°C 10 h 4 54% 1 — 2 m/s
2023 +15°C +6°C +10°C 10 h 3 48% 5 — 6 m/s
2022 +20°C +15°C +17°C 9 h 4 69% 1 — 1 m/s
2021 +10°C +5°C +8°C 4 h 3 67% 4 — 6 m/s
2020 +15°C +10°C +12°C 10 h 4 72% 2 — 3 m/s
2019 +18°C +9°C +12°C 8 h 4 74% 1 — 1 m/s