>>Foster City average temperature
>>Foster City Weather by month // weather averages
The climate in Foster City is warm and temperate. The rain in Foster City falls mostly in the winter, with relatively little rain in the summer. The Köppen-Geiger climate classification is Csc. The average temperature in Foster City is 14.3 °C. The average annual rainfall is 503 mm.
Climate graph // Weather by Month Foster City
The driest month is July, with 1 mm of rain. In January, the precipitation reaches its peak, with an average of 109 mm.
average temperature Foster City
August is the warmest month of the year. The temperature in August averages 18.5 °C. At 9.3 °C on average, January is the coldest month of the year.
Foster City Weather by month // weather averages
|Avg. Temperature (°C)||Avg. Temperature (°F)||Precipitation / Rainfall (mm)|
|Avg. Temperature (°C)||9.3||11.2||12.2||13.4||15.2||17.1||18.2||18.5||18.1||16.2||12.7||9.5|
|Min. Temperature (°C)||5||6.6||7.6||8.5||10.3||12.2||13.4||13.7||12.8||10.8||7.9||5.2|
|Max. Temperature (°C)||13.7||15.8||16.8||18.4||20.1||22||23.1||23.3||23.4||21.6||17.5||13.9|
|Avg. Temperature (°F)||48.7||52.2||54.0||56.1||59.4||62.8||64.8||65.3||64.6||61.2||54.9||49.1|
|Min. Temperature (°F)||41.0||43.9||45.7||47.3||50.5||54.0||56.1||56.7||55.0||51.4||46.2||41.4|
|Max. Temperature (°F)||56.7||60.4||62.2||65.1||68.2||71.6||73.6||73.9||74.1||70.9||63.5||57.0|
|Precipitation / Rainfall (mm)||109||76||77||37||8||3||1||2||5||29||70||86|
There is a difference of 108 mm of precipitation between the driest and wettest months. The variation in annual temperature is around 9.2 °C.