San Geronimo, CA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in San Geronimo now
Loading the National Weather Service forecast…
San Geronimo weather by the hour
San Geronimo weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of San Geronimo.
This week in San Geronimo
Sunrise, sunset and moon in San Geronimo
What is the weather usually like in San Geronimo?
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 San Geronimo: 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 San Geronimo.
San Geronimo weather month by month
Sunrise and sunset in San Geronimo 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 | 7:19 PM | 11 h 59 min |
| April | 6:33 AM | 7:48 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 | 5:59 AM | 8:34 PM | 14 h 35 min |
| August | 6:24 AM | 8:05 PM | 13 h 40 min |
| September | 6:51 AM | 7:20 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 9 min |
| December | 7:18 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 San Geronimo?
San Geronimo 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 (5°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 San Geronimo is June to September. At 292 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 San Geronimo
Weather in towns near San Geronimo
Questions about the weather in San Geronimo
What is the hottest month in San Geronimo?
August, with an average high of 81°F (27°C).
What is the coldest month in San Geronimo?
December, with an average low of 42°F (5°C).
How much does it rain in San Geronimo?
About 34.5 inches (875 mm) a year; the wettest month is December.
Does it snow in San Geronimo?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit San Geronimo?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does San Geronimo have?
Warm-summer mediterranean (Köppen Csb).
What is the weather like in San Geronimo in November?
Highs average 64°F and lows 45°F, with about 3.5 inches of precipitation.
What time is sunrise in San Geronimo?
Around 6:50 AM in mid-November, and sunset around 5:00 PM. Today’s exact times are shown above.
Where does this San Geronimo weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of San Geronimo.
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