San José Climate by Month
The weather in San José sees moderate temperature fluctuations over the course of a year.
Temperatures can be very hot at the high end
to roughly warm at the low end.
It is also known for its large amounts of rainfall.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
The weather in San José changes moderately throughout the year, offering enough variation to appreciate each season. Typically, daytime temperatures range from a very hot 37°C in April to a comfortable 30°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 19°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
San José experiences significant rainfall throughout the year, averaging 1388 mm of precipitation annually. The climate in San José shows significant variation throughout the year. Expect heavy rainfall in September, with an average of 252 mm of precipitation over 17 rainy days. In contrast, February offers drier and sunnier days, with around 24 mm of rainfall over 8 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
The best time of year to visit San José in Guatemala
Other facts from our historical weather data:Most rainfall (rainy season) is seen in June, August, September and October.
April has an average maximum temperature of 37°C and is the hottest month of the year.
The coolest month is January with an average maximum temperature of 30°C.
September tops the wettest month list with 252 mm of rainfall.
February is the driest month with 24 mm of precipitation.
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.
