Grass Valley, OR weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Grass Valley now
Loading the National Weather Service forecast…
Grass Valley weather by the hour
Grass Valley weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Grass Valley.
This week in Grass Valley
Sunrise, sunset and moon in Grass Valley
What is the weather usually like in Grass Valley?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Decembercoldest month · 23°F average low
- 11.0 inprecipitation per year · 280 mm
- 16.6 insnowfall per year · 42 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Grass Valley: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MORO, OR US (USC00355734), adjusted for the elevation of Grass Valley.
Grass Valley weather month by month
Sunrise and sunset in Grass Valley through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:36 AM | 4:48 PM | 9 h 11 min |
| February | 7:02 AM | 5:32 PM | 10 h 29 min |
| March | 7:13 AM | 7:10 PM | 11 h 57 min |
| April | 6:15 AM | 7:50 PM | 13 h 35 min |
| May | 5:30 AM | 8:28 PM | 14 h 57 min |
| June | 5:12 AM | 8:54 PM | 15 h 42 min |
| July | 5:28 AM | 8:50 PM | 15 h 21 min |
| August | 6:03 AM | 8:12 PM | 14 h 8 min |
| September | 6:40 AM | 7:15 PM | 12 h 35 min |
| October | 7:18 AM | 6:19 PM | 11 h 1 min |
| November | 7:00 AM | 4:34 PM | 9 h 34 min |
| December | 7:34 AM | 4:22 PM | 8 h 48 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Grass Valley?
Grass Valley has a cold semi-arid climate. The warmest month is July, with an average high of 83°F (28°C), and the coldest is December, with average lows of 23°F (-5°C).
It gets about 11.0 inches (280 mm) of precipitation a year. The wettest month is December and the driest is July. Snow is common: about 17 inches fall in an average year.
The best time to visit Grass Valley is June to September. At 2,274 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 Grass Valley
Weather in towns near Grass Valley
Questions about the weather in Grass Valley
What is the hottest month in Grass Valley?
July, with an average high of 83°F (28°C).
What is the coldest month in Grass Valley?
December, with an average low of 23°F (-5°C).
How much does it rain in Grass Valley?
About 11.0 inches (280 mm) a year; the wettest month is December.
Does it snow in Grass Valley?
Yes, about 17 inches of snow fall in an average year.
When is the best time to visit Grass Valley?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Grass Valley have?
Cold semi-arid (Köppen BSk).
What is the weather like in Grass Valley in November?
Highs average 47°F and lows 27°F, with about 1.5 inches of precipitation.
What time is sunrise in Grass Valley?
Around 7:00 AM in mid-November, and sunset around 4:34 PM. Today’s exact times are shown above.
Where does this Grass Valley weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Grass Valley.
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