Arenal Weather in October
What's the weather like in Arenal (Bolívar) in October 2024?
The climate in Arenal during October can be summarized as hot, humid and very wet.
October is in the fall / autumn in Arenal and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 31.9°C 89.4°F |
|---|---|
| Nightly temperature | 23.1°C 73.6°F |
| Average temperature | 27.5°C 81.5°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 465 mm 18.3 ins |
| Rainy days | 16 days |
| Sea temperature | 28.8°C 83.9°F |
| Humidity | 83% |
| Windspeed | 9.7kph 6 mph |
On average October is the wettest month of the year in Arenal with around 465mm 18.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
October temperatures in Arenal
October rainfall
October 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 October 2024.
Other monthly averages
Best places to visit in October
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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