Belmont, CA Weather
Belmont, 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 80.80 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 38.60 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 26 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.
The annual average precipitation at Belmont is 20.16 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is January with an average rainfall of 4.20 Inches.
Weather Data
Current Conditions
|
Clear, 45°F | Humidity: 81% | Dewpoint: 39°F |
| Wind Speed: CALM | Heat Index: 45°F | ||
| Barometer: 30.15 in. | Wind Chill: 45°F |
Weather Forecast
 | Hi: 69°F | Today: Sunny. Highs in the upper 60s. Northeast winds around 5 mph...Becoming northwest in the afternoon. |
| Lo: 45°F | ||
| Hi: 61°F | Thanksgiving day: Mostly sunny. Highs in the lower 60s. Light winds...Becoming west around 5 mph in the afternoon. |
| Lo: 46°F | ||
 | Hi: 61°F | Friday: Partly cloudy. Highs in the lower 60s. Northwest winds 10 to 20 mph. |
| Lo: 40°F | ||
| Hi: 61°F | Saturday: Mostly clear. Highs in the lower 60s. Lows in the 30s to upper 40s. |
| Lo: 49°F | ||
| Hi: 61°F | Sunday: Mostly clear. Highs in the lower 60s. Lows in the 30s to upper 40s. |
| Lo: 49°F | ||
| Hi: 61°F | Monday: Mostly clear. Highs in the lower 60s. Lows in the 30s to upper 40s. |
| Lo: 49°F | ||
| Hi: 61°F | Tuesday: Mostly clear. Highs in the lower 60s. Lows in the 30s to upper 40s. |
| Lo: 49°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:30 AM PST |
Sunrise: 6:58 AM PST |
| Sunset: 4:52 PM PST |
Civil Twilight: 5:21 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 57.7 | 61.7 | 65.1 | 69.9 | 74.0 | 78.7 | 80.8 | 80.5 | 78.5 | 73.0 | 63.2 | 57.4 | 70.0 |
| Mean °F | 48.4 | 51.7 | 54.4 | 57.6 | 61.5 | 65.7 | 68.0 | 67.8 | 65.9 | 60.9 | 53.1 | 48.0 | 58.6 |
| Min °F | 39.1 | 41.7 | 43.6 | 45.2 | 48.9 | 52.7 | 55.2 | 55.0 | 53.2 | 48.7 | 42.9 | 38.6 | 47.1 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 4.20 | 4.04 | 3.37 | 1.07 | 0.43 | 0.10 | 0.03 | 0.10 | 0.21 | 1.06 | 2.62 | 2.93 | 20.16 |
