San José Weather History
Costa Rica · North America · Weather data 1976–today
San José sits 1105km from the equator, 1146m above sea level. That combination gives it a hot, rainy climate with no real dry season (Tropical rainforest climate). Its record high is 30.8°C, set 2003-09-30, its record low 12.6°C, set 2001-01-18.
Data through September 19, 2026.
Frequently asked questions about the weather in San José
What is the hottest temperature ever recorded in San José?
The highest temperature in this record for San José is 30.8°C, measured on 2003-09-30. That is a recorded daily value from San José's own series covering 1976 to 2025, not an estimate or a regional average.
What is the coldest temperature ever recorded in San José?
The lowest temperature in this record for San José is 12.6°C, measured on 2001-01-18. Together with the heat record above, that spans the full range this city has actually experienced across 1976 to 2025.
How much rain does San José get a year?
San José averages 2959mm of precipitation a year, spread across roughly 274 days with at least 1mm. That average is taken over 50 complete calendar years, so one exceptionally wet or dry year does not set the figure.
What was the wettest day on record in San José?
On 1996-06-29, 186.3mm fell on San José, the highest single-day total in this series. For scale, that is roughly 6% of what the city receives in an average full year, in one day.
How many hours of sunshine does San José get a year?
San José averages 3264 sunshine hours a year, which works out to about 8.9 hours a day across the whole year. Sunshine hours measure the time direct sunlight actually reaches the ground, not simply how long it is light.
How warm are summers and how cold are winters in San José?
Across the summer months San José averages a daytime high near 24.1°C, while winter nights average 16.8°C. The seasons here are set from San José's position relative to the equator rather than a fixed northern-hemisphere calendar.
What is the strongest wind recorded in San José?
The strongest wind speed recorded in San José is 22 km/h, on 1988-01-27. That is the daily maximum sustained wind rather than the peak gust, which typically runs higher still.
