Normal weather in Arenal in January
The weather in Arenal in January has an average temperature of around 33°C during the day. On average, January sees 29 mm of rain in Arenal. The wind speed is 3 Beaufort and mainly comes from East.
After December, January in Arenal starts with a temperature of 32°C and ends around February at 33°C.
January averages for Arenal
![]() | 33°C |
![]() | 33°C |
![]() | 32°C |
![]() | 29 mm |
![]() | 15 days |
Temperature per day in January in Arenal
This graph shows the average daily maximum temperatures in January in Arenal, indicated in degrees Celsius.
Precipitation per day in January in Arenal
This graph shows the average daily precipitation in January in Arenal, indicated in millimeters.
UV index per day in January in Arenal
This graph shows the average daily UV index in January in Arenal.
Yearly temperature in January in Arenal
This graph shows the average yearly temperature in January in Arenal, measured in degrees Celsius, over the past years.
Yearly total precipitation in January in Arenal
This graph shows the average yearly precipitation in millimeters in January in Arenal, over the past years.
Average daily weather in January
Click on a day to get more information about the average weather on that day.
Experiences with the weather in January in Arenal
Write your own reviewHave you ever been to Arenal in January?
Share your experiences with the weather in January in Arenal.
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.