Arenal Weather in December
What's the weather like in Arenal (Bolívar) in December 2024?
The climate in Arenal during December can be summarized as hot, humid and a little damp.
December is in the winter in Arenal and is typically the 3rd coldest 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 | 32.2°C 90°F |
|---|---|
| Nightly temperature | 23°C 73.4°F |
| Average temperature | 27.6°C 81.7°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 96 mm 3.8 ins |
| Rainy days | 8 days |
| Sea temperature | 28.1°C 82.6°F |
| Humidity | 79% |
| Windspeed | 9.7kph 6 mph |
On average December is the 4th driest month of the year in Arenal with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
December temperatures in Arenal
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 Arenal in December 2024.
Other monthly averages
Best places to visit in December
Arenal weather stats
| Hottest month: | March | 33.8°C 92.8°F |
|---|---|---|
| Driest month: | January | 31mm 1.2ins |
| Sunniest month: | January | 7.3hrs |
| Coldest month: | October | 31.7°C 89.1°F |
| Wettest month: | October | 465mm 18.3ins |
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