Normal weather in Arenal in August
The weather in Arenal in August has an average temperature of around 34°C during the day. On average, August sees 36 mm of rain in Arenal. The wind speed is 5 Beaufort and mainly comes from East.
After July, August in Arenal starts with a temperature of 34°C and ends around September at 35°C.
The hurricane season in Arenal lasts from early June to late November.
August averages for Arenal
 Average temperature | 34°C |
 Highest daytime temperature | 35°C |
| Lowest daytime temperature | 33°C |
 Total rainfall | 36 mm |
| Rainy days | 21 days |
Temperature per day in August in Arenal
This graph shows the average daily maximum temperatures in August in Arenal, indicated in degrees Celsius.
Rainfall per day in August in Arenal
This graph shows the average daily rainfall in August in Arenal, indicated in millimeters.
UV index per day in August in Arenal
This graph shows the average daily UV index in August in Arenal.
Yearly temperature in August in Arenal
This graph shows the average yearly temperature in August in Arenal, measured in degrees Celsius, over the past years.
Yearly total rainfall in August in Arenal
This graph shows the average yearly rainfall in millimeters in August in Arenal, over the past years.
Average daily weather in August
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Experiences with the weather in August in Arenal
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Average weather in Arenal per month
Click on a month below to see in detail how the weather typically is in Arenal and what to expect. Based on the historical weather data of Arenal, you can view the average temperature, rainfall, wind, and UV index for each day of the month.