Average temperatures, rainfall, sunshine and the best time to visit San José.
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The climate in San José, Peten, Guatemala, sees a moderate range of temperatures across the year, from 37°C (99°F) in April down to 30°C (86°F) in December.
The city receives considerable rainfall, with around 1388 mm (55 in) annually. September is the wettest month. It has distinct dry (February to March) and wet (August to October) seasons.
Pick a month to see the average temperature, rainfall and sunshine in San José - and find the best time to visit.
The weather in San José changes moderately throughout the year, offering enough variation to appreciate each season. Typically, average maximum daytime temperatures range from a very hot 37°C (99°F) in April to a comfortable 30°C (86°F) in the coolest month, December.
Nights vary from 24°C (75°F) in April to around 19°C (66°F) during the colder months.
Check out our detailed temperature page for more information.
San José experiences significant rainfall throughout the year, averaging 1388 mm (55 in) of precipitation annually. The climate in San José shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 252 mm (9.9 in) of precipitation over 17 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 24 mm (0.9 in) of rainfall over 8 rainy days. For more details, please visit our San José Precipitation page.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
February typically offers the most optimal weather in San José. In contrast, March, April, May, June, July, August, September and October tend to have less optimal conditions. San José has distinct dry (February to March) and wet (August to October) seasons.
Daytime highs range from 30°C (86°F) in December to 37°C (99°F) in April. Nighttime lows range from 19°C (66°F) to 24°C (75°F).
Annual rainfall is around 1388 mm (55 in). September is the wettest month with 252 mm (9.9 in), while February is the driest with 24 mm (0.9 in).
San José is highlighted - select any city to see its climate.
Where to go in September - average daytime high across popular destinations.
Flores
34°C (93°F) Rio Dulce Town32°C (90°F) Lívingston32°C (90°F) Cobán27°C (81°F) Guatemala City27°C (81°F) Antigua Guatemala25°C (77°F) Quetzaltenango22°C (72°F) Panajachel23°C (73°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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