Alta Sierra, CA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Alta Sierra now
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Alta Sierra weather by the hour
Alta Sierra weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Alta Sierra.
This week in Alta Sierra
Sunrise, sunset and moon in Alta Sierra
What is the weather usually like in Alta Sierra?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Decembercoldest month · 33°F average low
- 53.2 inprecipitation per year · 1,351 mm
- 8.6 insnowfall per year · 22 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Alta Sierra: June and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GRASS VALLEY #2, CA US (USC00043573), adjusted for the elevation of Alta Sierra.
Alta Sierra weather month by month
Sunrise and sunset in Alta Sierra through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:20 AM | 5:07 PM | 9 h 47 min |
| February | 6:53 AM | 5:42 PM | 10 h 49 min |
| March | 7:13 AM | 7:12 PM | 11 h 59 min |
| April | 6:25 AM | 7:42 PM | 13 h 17 min |
| May | 5:49 AM | 8:11 PM | 14 h 22 min |
| June | 5:36 AM | 8:33 PM | 14 h 57 min |
| July | 5:49 AM | 8:31 PM | 14 h 41 min |
| August | 6:16 AM | 8:00 PM | 13 h 44 min |
| September | 6:44 AM | 7:14 PM | 12 h 29 min |
| October | 7:12 AM | 6:26 PM | 11 h 14 min |
| November | 6:46 AM | 4:51 PM | 10 h 5 min |
| December | 7:14 AM | 4:44 PM | 9 h 29 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Alta Sierra?
Alta Sierra has a hot-summer mediterranean climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is December, with average lows of 33°F (1°C).
It gets about 53.2 inches (1,351 mm) of precipitation a year. The wettest month is December and the driest is July. Snow is common: about 9 inches fall in an average year.
The best time to visit Alta Sierra is June and August to October. At 2,310 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 Alta Sierra
Weather in towns near Alta Sierra
Questions about the weather in Alta Sierra
What is the hottest month in Alta Sierra?
July, with an average high of 88°F (31°C).
What is the coldest month in Alta Sierra?
December, with an average low of 33°F (1°C).
How much does it rain in Alta Sierra?
About 53.2 inches (1,351 mm) a year; the wettest month is December.
Does it snow in Alta Sierra?
Yes, about 9 inches of snow fall in an average year.
When is the best time to visit Alta Sierra?
June and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Alta Sierra have?
Hot-summer mediterranean (Köppen Csa).
What is the weather like in Alta Sierra in November?
Highs average 60°F and lows 37°F, with about 5.5 inches of precipitation.
What time is sunrise in Alta Sierra?
Around 6:46 AM in mid-November, and sunset around 4:51 PM. Today’s exact times are shown above.
Where does this Alta Sierra weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Alta Sierra.
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