Guararema Weather in December
What's the weather like in Guararema (São Paulo) in December 2025?
The climate in Guararema during December can be summarized as warm, humid and very wet.
December is in the summer in Guararema and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 25.6°C 78.1°F |
|---|---|
| Nightly temperature | 17.2°C 63°F |
| Average temperature | 21.4°C 70.5°F |
| Daily sunshine | 4.5 hrs |
| Avg rainfall | 233 mm 9.2 ins |
| Rainy days | 22 days |
| Sea temperature | 24.8°C 76.6°F |
| Humidity | 81% |
| Windspeed | 10.4kph 7 mph |
On average December is the 2nd wettest month of the year in Guararema with around 233mm 9.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.5 hours of sunshine per day.
December temperatures in Guararema
December rainfall
December 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 Guararema in December 2025.
Other monthly averages
Best places to visit in December
Guararema weather stats
| Hottest month: | February | 26.7°C 80.1°F |
|---|---|---|
| Driest month: | July | 46mm 1.8ins |
| Sunniest month: | July | 5.6hrs |
| Coldest month: | July | 20.7°C 69.3°F |
| Wettest month: | January | 247mm 9.7ins |
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