Climate Insights for San José

The climate in San José is temperate. The average annual temperature is 15°C and approximately 3,596 mm of precipitation falls per year. San José receives a notable amount of rainfall throughout the year, including during its driest month. San José is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are January, February, December, when temperatures can drop to 10°C.The climate in San José is temperate. The average annual temperature is 58°F and approximately 141.6 in of precipitation falls per year. San José receives a notable amount of rainfall throughout the year, including during its driest month. San José is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are January, February, December, when temperatures can drop to 51°F.

San José has relatively stable temperatures year-round, staying within a 9°C range. August is the warmest month, though highs remain moderate at 19°C with a mean of 15°C. January is the coolest month, with minimum temperatures around 10°C and an average of 14°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.San José has relatively stable temperatures year-round, staying within a 15°F range. August is the warmest month, though highs remain moderate at 66°F with a mean of 59°F. January is the coolest month, with minimum temperatures around 51°F and an average of 56°F. Daily temperature variation is modest, with an average difference of 11°F between highs and lows.

San José is a very wet location, receiving approximately 3,596 mm of precipitation annually, which averages out to around 300 mm per month. The wettest month is April, averaging 481 mm of rainfall. May and October also tend to see above-average precipitation. The driest month is January, with just 147 mm. That's 334 mm less than April, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.San José is a very wet location, receiving approximately 141.6 in of precipitation annually, which averages out to around 11.8 in per month. The wettest month is April, averaging 18.9 in of rainfall. May and October also tend to see above-average precipitation. The driest month is January, with just 5.8 in. That's 13.1 in less than April, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

San José is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.San José is relatively calm, with an average annual wind speed of 2mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 2mph, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 0mph gap between the calmest and windiest months.

The table below shows monthly climate averages for San José based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for San José based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.