Normal weather in Arenal in December
The weather in Arenal in December has an average temperature of around 32°C during the day. On average, December sees 107 mm of rain in Arenal. The wind speed is 3 Beaufort and mainly comes from Southeast.
After November, December in Arenal starts with a temperature of 32°C and ends around January at 32°C.
The hurricane season in Arenal lasts from early June to late November.
December averages for Arenal
![]() | 32°C |
![]() | 33°C |
![]() | 31°C |
![]() | 107 mm |
![]() | 20 days |
Temperature per day in December in Arenal
This graph shows the average daily maximum temperatures in December in Arenal, indicated in degrees Celsius.
Precipitation per day in December in Arenal
This graph shows the average daily precipitation in December in Arenal, indicated in millimeters.
UV index per day in December in Arenal
This graph shows the average daily UV index in December in Arenal.
Yearly temperature in December in Arenal
This graph shows the average yearly temperature in December in Arenal, measured in degrees Celsius, over the past years.
Yearly total precipitation in December in Arenal
This graph shows the average yearly precipitation in millimeters in December in Arenal, over the past years.
Average daily weather in December
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Experiences with the weather in December 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, precipitation, wind, and UV index for each day of the month.