Rio de JaneiroPhoto: Jens Hausherr from Hamburg, Deutschland · CC BY-SA 2.0Brazil · South America
Best time to visit Rio de Janeiro
Rio combines beaches like Copacabana with mountains and culture. In the Southern Hemisphere: summer (December to March) is hot and humid, winter (June to August) milder and drier.
Climate decision
Best travel months for Rio de Janeiro
Joint highest scores
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
May · Wet days
6.4 days/month
1991–2025: 10.8 days/month
-4.4 days/month · lower
July · Monthly precipitation
22.1 mm/month
1991–2025: 45.8 mm/month
-23.7 mm/month · lower
September · Mean daily maximum
26.8 °C
1991–2025: 25.7 °C
+1.1 °C · higher
October · Sunshine per day
5.4 h/day
1991–2025: 6.1 h/day
-0.7 h/day · lower
February · Sea temperature
25.6 °C
1991–2025: 25.2 °C
+0.4 °C · similar
November: 24/150 days at or above 30 °C; highest single value 40.2 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Rainfall rhythm
Rio de Janeiro: rainfall separates the travel months
The driest and wettest months are 14.5 rainy days apart. Average daily highs vary by 4.5 °C, so both signals matter when choosing a month.
What matters
A warmer month is not automatically the most reliable. Read the drier windows alongside sunshine, sea temperature and the activity you have in mind.
Fewest rainy days
July · 7.2
Most rainy days
January · 21.7
Most sunshine
February · 7.4 h
Warmest sea
March · 25.4 °C
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 28 | 23 | 22 | 217 | 7.2 | 84 | 2.4 | 25 | 63 |
| February | 29 | 24 | 16 | 154 | 7.4 | 83 | 2.4 | 25 | 67 |
| March | 28 | 23 | 19 | 175 | 6.4 | 84 | 2.4 | 25 | 65 |
| April | 27 | 22 | 14 | 102 | 5.6 | 82 | 2.6 | 25 | 74 |
| May | 25 | 20 | 11 | 76 | 4.6 | 81 | 2.8 | 24 | 80 |
| June | 25 | 19 | 8 | 50 | 4.3 | 80 | 2.7 | 23 | 84 |
| July | 24 | 18 | 7 | 46 | 4.5 | 79 | 2.9 | 22 | 84 |
| August | 25 | 18 | 8 | 47 | 5.3 | 77 | 3.0 | 21 | 83 |
| September | 26 | 19 | 12 | 82 | 5.6 | 78 | 3.1 | 21 | 76 |
| October | 26 | 20 | 15 | 116 | 6.1 | 80 | 3.0 | 22 | 70 |
| November | 26 | 21 | 20 | 194 | 6.4 | 82 | 2.8 | 23 | 66 |
| December | 28 | 23 | 22 | 220 | 7.0 | 83 | 2.5 | 24 | 65 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
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Where to stay in Rio de Janeiro
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Similar destinations
The number is the overall climate score, not a similarity score.
Frequently asked questions
When is the best time to visit Rio de Janeiro?
The strongest climate months are May, June, July, August. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Rio de Janeiro?
The average daily maximum temperature in Rio de Janeiro is highest in February at around 29 °C.
When is the sea warmest at Rio de Janeiro?
In March, at around 25 °C.