San Anselmo, CA Weather
San Anselmo, CA climate is mild during summer when temperatures tend to be in the 60's and cool during winter when temperatures tend to be in the 50's.
The warmest month of the year is July with an average maximum temperature of 85.00 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 40.60 degrees Fahrenheit.
Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 31 degrees Fahrenheit, and fairly limited during winter with an average difference of 17 degrees Fahrenheit.
The annual average precipitation at San Anselmo is 47.47 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is January with an average rainfall of 9.60 Inches.
Weather Data
Current Conditions
|
Mostly Cloudy, 53°F | Humidity: 86% | Dewpoint: 49°F |
| Wind Speed: CALM | Heat Index: 53°F | ||
| Barometer: 30.14 in. | Wind Chill: 53°F |
Weather Forecast
 | Tonight: Mostly clear. Patchy fog. Lows near 40. North winds 5 to 10 mph. | |
| Lo: 40°F | ||
| Hi: 65°F | Monday: Mostly sunny. Patchy fog in the morning. Highs in the mid 60s. Northwest winds 5 to 10 mph. |
| Lo: 40°F | ||
 | Hi: 69°F | Tuesday: Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph...Becoming northwest in the afternoon. |
| Lo: 40°F | ||
| Hi: 69°F | Wednesday: Sunny. Highs in the upper 60s. |
| Lo: 43°F | ||
| Hi: 65°F | Thanksgiving day: Mostly sunny. Highs in the mid 60s. |
| Lo: 41°F | ||
| Hi: 61°F | Friday: Mostly clear. Highs in the lower 60s. Lows in the lower to mid 40s. |
| Lo: 43°F | ||
| Hi: 61°F | Saturday: Mostly clear. Highs in the lower 60s. Lows in the lower to mid 40s. |
| Lo: 43°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:29 AM PST |
Sunrise: 6:57 AM PST |
| Sunset: 4:54 PM PST |
Civil Twilight: 5:22 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 56.2 | 61.4 | 65.3 | 70.6 | 76.0 | 81.8 | 85.0 | 84.4 | 82.1 | 75.4 | 63.4 | 56.3 | 71.5 |
| Mean °F | 48.5 | 52.2 | 54.7 | 58.2 | 62.5 | 66.9 | 69.2 | 69.0 | 67.3 | 62.5 | 54.2 | 48.5 | 59.5 |
| Min °F | 40.7 | 43.0 | 44.1 | 45.8 | 48.9 | 52.0 | 53.4 | 53.6 | 52.5 | 49.6 | 45.0 | 40.6 | 47.4 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 9.60 | 9.10 | 7.05 | 2.56 | 1.20 | 0.24 | 0.01 | 0.12 | 0.50 | 2.33 | 7.47 | 7.29 | 47.47 |
