Monthly climate guide
Rio de Janeiro weather in January
With highs near 29°C (84°F) and lows around 24°C (75°F), January feels hot in Rio de Janeiro. Rainfall averages about 215 mm (very wet) and the sky is often cloudy. Daytime highs are about the same as December and about the same as February.
What stands out in January
- It's humid — around 82% — so the heat feels heavier.
- Days and nights are close, only about 5°C apart.
- January is Rio de Janeiro's second warmest month.
- January falls in Rio de Janeiro's wetter season, when heavy showers are common.
Avg high
29°C
84°F
Avg low
24°C
75°F
Rainfall
215 mm
very wet
Humidity
82%
relative
Sky
65%
cloud · often cloudy
Rio de Janeiro weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 29°C / 84°F | 24°C / 75°F | 215 mm | 82% | 65% |
| February | 29°C / 84°F | 24°C / 75°F | 180 mm | 82% | 62% |
| March | 28°C / 82°F | 23°C / 74°F | 197 mm | 83% | 71% |
| April | 27°C / 80°F | 22°C / 72°F | 106 mm | 82% | 57% |
| May | 25°C / 77°F | 20°C / 68°F | 73 mm | 81% | 58% |
| June | 25°C / 76°F | 19°C / 67°F | 56 mm | 81% | 53% |
| July | 24°C / 76°F | 18°C / 65°F | 30 mm | 78% | 45% |
| August | 25°C / 77°F | 18°C / 65°F | 47 mm | 77% | 46% |
| September | 26°C / 79°F | 19°C / 67°F | 73 mm | 77% | 53% |
| October | 27°C / 80°F | 21°C / 69°F | 99 mm | 79% | 69% |
| November | 26°C / 79°F | 21°C / 70°F | 261 mm | 83% | 78% |
| December | 28°C / 82°F | 23°C / 73°F | 235 mm | 83% | 71% |
What to pack for January
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is January a good time to visit Rio de Janeiro?
Our Rio de Janeiro guide recommends: April to June or September to October, avoiding the peak heat and crowds of the December–February summer.
Stick to well-touristed areas and take standard city precautions with valuables — like any major city, it pays to be aware of your surroundings.
Best time to visit Rio de Janeiro →Other Brazil cities in January
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Rio de Janeiro weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/rio-de-janeiro/january
<a href="https://weathercompare.eu/weather/brazil/rio-de-janeiro/january">Rio de Janeiro weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/brazil/rio-de-janeiro" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Rio de Janeiro weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/rio-de-janeiro/january">Rio de Janeiro weather in January</a> – WeatherCompare</p>
Rio de Janeiro in January: quick answers
Is January a good time to visit Rio de Janeiro?
January is one of the wetter months in Rio de Janeiro, with about 215 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Rio de Janeiro in January?
Average highs are about 29°C (84°F) and average lows about 24°C (75°F), based on 10 years of daily data.
Does it rain a lot in Rio de Janeiro in January?
Rio de Janeiro typically gets around 215 mm of rain in January — very wet.
When is the best time to visit Rio de Janeiro?
April to June or September to October, avoiding the peak heat and crowds of the December–February summer.
Figures are long-term averages for the area around Rio de Janeiro (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.