Arenápolis Weather in December
What's the weather like in Arenápolis (Mato Grosso) in December 2025?
The climate in Arenápolis during December can be summarized as hot, humid and very wet.
December is in the summer in Arenápolis and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 32.7°C 90.8°F |
|---|---|
| Nightly temperature | 20°C 67.9°F |
| Average temperature | 26.3°C 79.3°F |
| Daily sunshine | 4.6 hrs |
| Avg rainfall | 253 mm 10 ins |
| Rainy days | 17 days |
| Sea temperature | 24.4°C 75.9°F |
| Humidity | 74% |
| Windspeed | 6.5kph 4 mph |
On average December is the 2nd wettest month of the year in Arenápolis with around 253mm 10 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.6 hours of sunshine per day.
December temperatures in Arenápolis
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 Arenápolis in December 2025.
Other monthly averages
Best places to visit in December
Arenápolis weather stats
| Hottest month: | November | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | July | 7mm 0.3ins |
| Sunniest month: | July | 8.8hrs |
| Coldest month: | June | 31.4°C 88.5°F |
| Wettest month: | January | 272mm 10.7ins |
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