Urbano Santos Weather in December
What's the weather like in Urbano Santos (Maranhão) in December 2025?
The climate in Urbano Santos during December can be summarized as hot, humid and a little damp.
December is in the summer in Urbano Santos and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 32°C 89.6°F |
|---|---|
| Nightly temperature | 23°C 73.4°F |
| Average temperature | 27.5°C 81.5°F |
| Daily sunshine | 7.3 hrs |
| Avg rainfall | 83 mm 3.3 ins |
| Rainy days | 13 days |
| Sea temperature | 27.7°C 81.8°F |
| Humidity | 75% |
| Windspeed | 11.9kph 7 mph |
On average December is the 6th wettest month of the year in Urbano Santos with around 83mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
December temperatures in Urbano Santos
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 Urbano Santos in December 2025.
Other monthly averages
Best places to visit in December
Urbano Santos weather stats
| Hottest month: | October | 32.3°C 90.1°F |
|---|---|---|
| Driest month: | September | 14mm 0.6ins |
| Sunniest month: | August | 9.6hrs |
| Coldest month: | February | 30.1°C 86.2°F |
| Wettest month: | March | 333mm 13.1ins |
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