Jaicós Weather in December
What's the weather like in Jaicós (Piauí) in December 2025?
The climate in Jaicós during December can be summarized as very hot and reasonably dry.
December is in the summer in Jaicós and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a warm 34°C (93°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 33.8°C 92.8°F |
|---|---|
| Nightly temperature | 23.1°C 73.5°F |
| Average temperature | 28.4°C 83.1°F |
| Daily sunshine | 7.5 hrs |
| Avg rainfall | 80 mm 3.1 ins |
| Rainy days | 15 days |
| Sea temperature | 27°C 80.5°F |
| Humidity | 58% |
| Windspeed | 11.2kph 7 mph |
On average December is the 5th wettest month of the year in Jaicós with around 80mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 hours of sunshine per day.
December temperatures in Jaicós
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 Jaicós in December 2025.
Other monthly averages
Best places to visit in December
Jaicós weather stats
| Hottest month: | October | 34.4°C 93.9°F |
|---|---|---|
| Driest month: | August | 2mm 0.1ins |
| Sunniest month: | August | 9.9hrs |
| Coldest month: | July | 31.6°C 88.9°F |
| Wettest month: | March | 153mm 6ins |
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