Petrópolis Weather in January
What's the weather like in Petrópolis (Rio de Janeiro) in January 2024?
The climate in Petrópolis during January can be summarized as hot, humid and very wet.
January is in the summer in Petrópolis and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (85°F), whilst at night 19°C (67°F) is normal.
| Daytime temperature | 29.6°C 85.2°F |
|---|---|
| Nightly temperature | 19.3°C 66.7°F |
| Average temperature | 24.4°C 75.9°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 304 mm 12 ins |
| Rainy days | 21 days |
| Sea temperature | 25.7°C 78.2°F |
| Humidity | 82% |
| Windspeed | 8.6kph 5 mph |
On average January is the 2nd wettest month of the year in Petrópolis with around 304mm 12 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
January temperatures in Petrópolis
January rainfall
January hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Petrópolis in January 2024.
Other monthly averages
Best places to visit in January
Petrópolis weather stats
| Hottest month: | February | 29.5°C 85.1°F |
|---|---|---|
| Driest month: | July | 62mm 2.4ins |
| Sunniest month: | July | 6.5hrs |
| Coldest month: | July | 23.2°C 73.8°F |
| Wettest month: | December | 328mm 12.9ins |
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