Temperature
Hot by day, warm at night.
88°Ftypical December high
Typical range
December climate
December in Rio de Janeiro
Brazil · South America
Humid air is the main limitation.
Wet but workable
Daytime high
88°F
Lows around 74°F
Rain
Rain most days
Sun
10 h/day
Air feel
Humid
Sea temp
76°F
Warm sea
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days, with a mix of brief and longer spells. About 22 wet days, the highest monthly average.
71%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
9.9 hDecember sunshine
Heat & humidity by month
Warm days, with humid periods.
80%December Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In December, afternoons feel about 91° and nights feel near 81°.
ComfortableWarmHotSwelteringNight hours
Clear sky
Mostly cloudy skies this month.
28%December Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in December.
4 mphDecember Calm
Sea temperature
76°FDecember sea temp
More detailIncludes daypart comfort
Typical December day
December late afternoons are around 85°F, easing to about 79°F in early evening.
Avg temp Typical range
Morning83°F
Feels 90°F
Rain33%
Cloud71%
Humid airVery high
Sun intensityModerate
Midday87°F
Feels 93°F
Rain46%
Cloud71%
Humid airVery high
Sun intensityStrong
Late afternoon85°F
Feels 91°F
Rain52%
Cloud74%
Humid airVery high
Sun intensityModerate
Early evening79°F
Feels 86°F
Rain37%
Cloud73%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 90 | 75 | 10.2 | 21 | 9.8 | 79 | 79 |
| Feb | 91 | 75 | 7.8 | 18 | 10.3 | 79 | 80 |
| Mar | 88 | 74 | 7.7 | 20 | 9.7 | 81 | 80 |
| Apr | 85 | 71 | 4.3 | 14 | 9.6 | 82 | 78 |
| May | 81 | 66 | 2.6 | 10 | 8.8 | 82 | 76 |
| Jun | 80 | 64 | 1.7 | 7 | 8.7 | 82 | 73 |
| Jul | 80 | 63 | 1.8 | 7 | 8.4 | 80 | 71 |
| Aug | 81 | 64 | 1.8 | 8 | 9.0 | 78 | 71 |
| Sep | 83 | 66 | 3.0 | 11 | 8.7 | 77 | 71 |
| Oct | 84 | 69 | 4.9 | 15 | 9.0 | 78 | 73 |
| Nov | 84 | 71 | 8.0 | 19 | 9.1 | 80 | 74 |
| Dec | 88 | 74 | 9.2 | 22 | 9.9 | 80 | 76 |
Similar climates
Similar
Similar travel styleMiamiUnited StatesSimilar travel styleKaohsiungTaiwanSimilar travel stylePuducherryIndiaSimilar travel styleAccraGhana
Want a side-by-side climate view? Compare Rio de Janeiro with Miami.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 4, 2026
Data & methodology