Fairfax, CA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Fairfax now
Loading the National Weather Service forecast…
Fairfax weather by the hour
Fairfax weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Fairfax.
This week in Fairfax
Sunrise, sunset and moon in Fairfax
What is the weather usually like in Fairfax?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 81°F average high
- Decembercoldest month · 42°F average low
- 34.5 inprecipitation per year · 875 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Fairfax: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SAN RAFAEL CIVIC CTR, CA US (USC00047880), adjusted for the elevation of Fairfax.
Fairfax weather month by month
Sunrise and sunset in Fairfax through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:23 AM | 5:16 PM | 9 h 52 min |
| February | 6:58 AM | 5:50 PM | 10 h 52 min |
| March | 7:19 AM | 7:18 PM | 11 h 59 min |
| April | 6:32 AM | 7:47 PM | 13 h 14 min |
| May | 5:58 AM | 8:15 PM | 14 h 17 min |
| June | 5:45 AM | 8:36 PM | 14 h 50 min |
| July | 5:58 AM | 8:34 PM | 14 h 35 min |
| August | 6:24 AM | 8:05 PM | 13 h 40 min |
| September | 6:51 AM | 7:19 PM | 12 h 28 min |
| October | 7:18 AM | 6:34 PM | 11 h 16 min |
| November | 6:50 AM | 5:00 PM | 10 h 10 min |
| December | 7:17 AM | 4:53 PM | 9 h 35 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Fairfax?
Fairfax has a warm-summer mediterranean climate. The warmest month is August, with an average high of 81°F (27°C), and the coldest is December, with average lows of 42°F (6°C).
It gets about 34.5 inches (875 mm) of precipitation a year. The wettest month is December and the driest is July.
The best time to visit Fairfax is June to September. At 115 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Fairfax
Weather in towns near Fairfax
Questions about the weather in Fairfax
What is the hottest month in Fairfax?
August, with an average high of 81°F (27°C).
What is the coldest month in Fairfax?
December, with an average low of 42°F (6°C).
How much does it rain in Fairfax?
About 34.5 inches (875 mm) a year; the wettest month is December.
Does it snow in Fairfax?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Fairfax?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Fairfax have?
Warm-summer mediterranean (Köppen Csb).
What is the weather like in Fairfax in November?
Highs average 65°F and lows 46°F, with about 3.5 inches of precipitation.
What time is sunrise in Fairfax?
Around 6:50 AM in mid-November, and sunset around 5:00 PM. Today’s exact times are shown above.
Where does this Fairfax weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Fairfax.
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