Arenal Weather in January
What's the weather like in Arenal (Bolívar) in January 2024?
The climate in Arenal during January can be summarized as hot, humid and reasonably dry.
January is in the winter in Arenal and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 23°C (72°F) is normal.
| Daytime temperature | 33°C 91.3°F |
|---|---|
| Nightly temperature | 22.5°C 72.4°F |
| Average temperature | 27.7°C 81.9°F |
| Daily sunshine | 7.3 hrs |
| Avg rainfall | 31 mm 1.2 ins |
| Rainy days | 5 days |
| Sea temperature | 27.6°C 81.6°F |
| Humidity | 75% |
| Windspeed | 10.8kph 7 mph |
On average January is the driest month of the year in Arenal with around 31mm 1.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
January temperatures in Arenal
January rainfall
January 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 January 2024.
Other monthly averages
Best places to visit in January
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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