Weather in Rio on 22 December 2026
Preliminary outlook for 22 December 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +14°C and nighttime around +10°C, average precipitation 0.5 mm, wind around 4 m/s, humidity around 69%.
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.
+11°C
Weather archive — latest year: 2025
Overcast
Weather archive — latest year: 2025
Nighttime: +10°C
Precipitation: 0 mm
Wind: 6 — 7 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +15°C | Sun hours | 4 h |
| UV index | 4 | Cloud cover (avg.) | 62% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +9°C | Dew point (avg.) | +6°C |
| Heat index (avg.) | +11°C | Wind chill (avg.) | +9°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 75° ↗ (ENE) |
Sunrise
07:46
Duration
9 h 30 min
Sunset
17:16
Moonrise
09:56
Moonset
19:35
Moon phase
Waxing Crescent
Illumination
13%
+11°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +10°C
Sea temperature: +17°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +12°C | Sun hours | 6 h |
| UV index | 4 | Cloud cover (avg.) | 69% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +17°C |
| Feels like (avg.) | +10°C | Dew point (avg.) | +7°C |
| Heat index (avg.) | +11°C | Wind chill (avg.) | +10°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 250° ↙ (WSW) |
Sunrise
07:46
Duration
9 h 30 min
Sunset
17:16
Moonrise
Does not rise today
Moonset
12:26
Moon phase
Last Quarter
Illumination
50%
+13°C
Weather archive — for 2023 year
Heavy rain at times
Weather archive — for 2023 year
Nighttime: +12°C
Precipitation: 2.9 mm
Wind: 5 — 6 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +14°C | Sun hours | 4 h |
| UV index | 4 | Cloud cover (avg.) | 64% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +12°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +13°C | Wind chill (avg.) | +12°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 228° ↙ (SW) |
Sunrise
07:46
Duration
9 h 30 min
Sunset
17:16
Moonrise
13:42
Moonset
02:27
Moon phase
Waxing Gibbous
Illumination
66%
+10°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +8°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 53%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +13°C | Sun hours | 10 h |
| UV index | 4 | Cloud cover (avg.) | 11% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +11°C | Dew point (avg.) | +1°C |
| Heat index (avg.) | +11°C | Wind chill (avg.) | +11°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 179° ↙ (WSW) |
Sunrise
07:46
Duration
9 h 30 min
Sunset
17:16
Moonrise
06:35
Moonset
16:01
Moon phase
New Moon
Illumination
0%
+8°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +6°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +13°C | Sun hours | 10 h |
| UV index | 3 | Cloud cover (avg.) | 28% |
| Pressure (avg.) | 768 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +7°C | Dew point (avg.) | +3°C |
| Heat index (avg.) | +9°C | Wind chill (avg.) | +7°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 71° ↗ (ENE) |
Sunrise
07:46
Duration
9 h 30 min
Sunset
17:16
Moonrise
20:24
Moonset
10:34
Moon phase
Waning Gibbous
Illumination
74%
+12°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +11°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +14°C | Sun hours | 10 h |
| UV index | 4 | Cloud cover (avg.) | 33% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +12°C | Dew point (avg.) | +8°C |
| Heat index (avg.) | +13°C | Wind chill (avg.) | +12°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 58° ↗ (NE) |
Sunrise
07:46
Duration
9 h 30 min
Sunset
17:16
Moonrise
13:12
Moonset
00:35
Moon phase
First Quarter
Illumination
49%
Weather in Rio on 22 December in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+15°C
|
+10°C
|
+11°C | 4 h | 4 | 71% | 6 — 7 m/s |
| 2024 |
+12°C
|
+10°C
|
+11°C | 6 h | 4 | 70% | 3 — 4 m/s |
| 2023 |
+14°C
|
+12°C
|
+13°C | 4 h | 4 | 79% | 5 — 6 m/s |
| 2022 |
+13°C
|
+8°C
|
+10°C | 10 h | 4 | 53% | 1 — 2 m/s |
| 2021 |
+13°C
|
+6°C
|
+8°C | 10 h | 3 | 67% | 3 — 4 m/s |
| 2020 |
+14°C
|
+11°C
|
+12°C | 10 h | 4 | 73% | 3 — 4 m/s |