Brazil
Rio de Janeiro in January: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Rio de Janeiro in January is climatically well suited to beach holidays. The average daily high is around 28 °C, and the sea is about 25 °C. With about 22 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
63/100 · #12
Warmth
#2
Dryness
#12
Sun
#2
Sea warmth
#3
Published best categories: none
Rio de Janeiro · JanuaryPhoto: Jens Hausherr from Hamburg, Deutschland · CC BY-SA 2.0Climate facts
- Average high
- 28 °C
- Average low
- 23 °C
- Sea
- 25 °C
- Rainy days (est.)
- 22 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 84 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| December | 28 | 23 | 22 | 220 | 7.0 | 83 | 2.5 | 24 | 65 |
| January (selected) | 28 | 23 | 22 | 217 | 7.2 | 84 | 2.4 | 25 | 63 |
| February | 29 | 24 | 16 | 154 | 7.4 | 83 | 2.4 | 25 | 67 |
How do the previous and next months compare?
Baseline: January (63/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| December | +2 | -0.7 °C | -1 °C | -0.1 | +3.4 mm | -0.2 h | -0.4 % | +0.1 m/s | -1.1 °C |
| February | +4 | +0.4 °C | +0.1 °C | -5.3 | -62.7 mm | +0.2 h | -0.7 % | ±0 m/s | +0.1 °C |
All twelve months in context
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Where to stay in Rio de Janeiro
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Useful next decisions
Frequently asked questions
How warm is Rio de Janeiro in January?
The average daily high is around 28 °C, with an average daily low of about 23 °C.
Can you swim in Rio de Janeiro in January?
The sea is about 25 °C (warm).
Does it rain a lot in Rio de Janeiro in January?
The curated estimate is about 22 rainy days per month, not a directly measured long-term average. Total precipitation averages around 217 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Rio de Janeiro?
By the climate score, May, June, July and August are the strongest months for Rio de Janeiro. For a beach trip: February, April, May and June. January is not among them.