Weather in Rio on 8 December 2026
Preliminary outlook for 8 December 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +16°C and nighttime around +11°C, average precipitation 0.6 mm, wind around 4 m/s, humidity around 71%.
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.
+14°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +12°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +17°C | Sun hours | 10 h |
| UV index | 3 | Cloud cover (avg.) | 33% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +13°C | Dew point (avg.) | +8°C |
| Heat index (avg.) | +14°C | Wind chill (avg.) | +13°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 70° ↗ (ENE) |
Sunrise
07:37
Duration
9 h 35 min
Sunset
17:12
Moonrise
20:50
Moonset
10:57
Moon phase
Waning Gibbous
Illumination
74%
+14°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +13°C
Sea temperature: +18°C
Precipitation: 2.2 mm
Wind: 2 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +17°C | Sun hours | 6 h |
| UV index | 3 | Cloud cover (avg.) | 63% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +18°C |
| Feels like (avg.) | +14°C | Dew point (avg.) | +9°C |
| Heat index (avg.) | +14°C | Wind chill (avg.) | +14°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 150° ↑ (N) |
Sunrise
07:37
Duration
9 h 35 min
Sunset
17:12
Moonrise
12:45
Moonset
Does not set today
Moon phase
First Quarter
Illumination
49%
+11°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
Nighttime: +9°C
Precipitation: 0.7 mm
Wind: 3 — 5 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +12°C | Sun hours | 8 h |
| UV index | 3 | Cloud cover (avg.) | 61% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +10°C | Dew point (avg.) | +6°C |
| Heat index (avg.) | +11°C | Wind chill (avg.) | +10°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 131° ↑ (N) |
Sunrise
07:37
Duration
9 h 35 min
Sunset
17:12
Moonrise
03:10
Moonset
14:28
Moon phase
Waning Crescent
Illumination
21%
+16°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +13°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 10 h |
| UV index | 4 | Cloud cover (avg.) | 36% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +15°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +15°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 62° ↗ (NE) |
Sunrise
07:37
Duration
9 h 35 min
Sunset
17:12
Moonrise
17:22
Moonset
08:04
Moon phase
Full Moon
Illumination
100%
+12°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +9°C
Precipitation: 0.1 mm
Wind: 5 — 6 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +14°C | Sun hours | 5 h |
| UV index | 3 | Cloud cover (avg.) | 63% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +10°C | Dew point (avg.) | +6°C |
| Heat index (avg.) | +12°C | Wind chill (avg.) | +10°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 256° ← (W) |
Sunrise
07:37
Duration
9 h 35 min
Sunset
17:12
Moonrise
11:33
Moonset
21:28
Moon phase
Waxing Crescent
Illumination
24%
+13°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +11°C
Precipitation: 0.8 mm
Wind: 3 — 4 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +15°C | Sun hours | 6 h |
| UV index | 3 | Cloud cover (avg.) | 79% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +12°C | Dew point (avg.) | +7°C |
| Heat index (avg.) | +13°C | Wind chill (avg.) | +12°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 206° ↙ (SW) |
Sunrise
07:37
Duration
9 h 35 min
Sunset
17:12
Moonrise
Does not rise today
Moonset
13:22
Moon phase
Last Quarter
Illumination
38%
Weather in Rio on 8 December in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+17°C
|
+12°C
|
+14°C | 10 h | 3 | 69% | 5 — 6 m/s |
| 2024 |
+17°C
|
+13°C
|
+14°C | 6 h | 3 | 71% | 2 — 3 m/s |
| 2023 |
+12°C
|
+9°C
|
+11°C | 8 h | 3 | 71% | 3 — 5 m/s |
| 2022 |
+18°C
|
+13°C
|
+16°C | 10 h | 4 | 75% | 3 — 4 m/s |
| 2021 |
+14°C
|
+9°C
|
+12°C | 5 h | 3 | 68% | 5 — 6 m/s |
| 2020 |
+15°C
|
+11°C
|
+13°C | 6 h | 3 | 69% | 3 — 4 m/s |