San Anselmo (CA) Climate by Month
The temperature in San Anselmo can vary quite a bit throughout the year.
Temperatures can be warm during the warmest months,
and mild during the cooler months.
It receives mid-range precipitation levels.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
Visitors to San Anselmo can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 27°C in July, the warmest time of the year, to a moderate 13°C during cooler months like December. At night, temperatures typically average around 5°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, San Anselmo experiences moderate precipitation patterns, averaging 846 mm yearly. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives heavy rainfall, averaging 187 mm of precipitation, recorded across 13 rainy days. In contrast, the drier season, August brings less rainfall, with 0 mm over 0 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in San Anselmo. While May receives considerable daily sunshine with up to 10.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.3 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in San Anselmo.
Relative humidity over the year
The best time of year to visit San Anselmo in the United States of America
During the months of May, June and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
Most rainfall (rainy season) is seen in February and December.
Yes, the months of May, June, July, August and September are very dry.
July has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 13°C.
December tops the wettest month list with 187 mm of rainfall.
August is the driest month with 0 mm of precipitation.
May is the sunniest month with an average of 324 hours of sunshine.
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.
