Atenas Climate by Month
Atenas has pretty similar weather over the course of the year.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
With minimal seasonal shifts, Atenas experiences a constant climate year-round. Average daytime temperatures range from a comfortable 29°C in March, the warmest time of the year, to a comfortable 26°C during cooler months like January. At night, temperatures typically average around 18°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Atenas has a notably wet climate with abundant precipitation, recording 3182 mm of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, October receives heavy rainfall, averaging 497 mm of precipitation, recorded across 22 rainy days. In contrast, the drier season, February brings less rainfall, with 31 mm over 8 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Atenas. While January receives considerable daily sunshine with up to 9.5 hours, June marks the darkest time of the year, where sunshine is scarce with only 4.8 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Atenas.
Relative humidity over the year
The best time of year to visit Atenas in Costa Rica
Atenas has high temperatures year round ranging between 26°C and 29°C.The best time to visit is during the drier months: January, February and March.
Other facts from our historical weather data:
March has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 26°C.
October tops the wettest month list with 497 mm of rainfall.
February is the driest month with 31 mm of precipitation.
January is the sunniest month with an average of 285 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.