Climate Grass Valley - California
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 53 | 55 | 58 | 63 | 71 | 80 |
| Average low in ºF Av. low Lo | 33 | 34 | 37 | 40 | 46 | 52 |
| Av. precipitation in inch Av. precip. Pre. | 8.88 | 9.02 | 8.06 | 4.02 | 2.38 | 0.62 |
| Av. snowfall in inch Snowfall Sn | 1 | 3 | 3 | 0 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 87 | 87 | 81 | 71 | 59 | 52 |
| Average low in ºF Av. low Lo | 57 | 56 | 51 | 44 | 37 | 33 |
| Av. precipitation in inch Av. precip. Pre. | 0.01 | 0.16 | 0.86 | 2.84 | 6.57 | 10.32 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 0 | 2 |
What is the average weather in Grass Valley, California?
Grass Valley experiences a hot-summer climate with dry summers and wetter winters, typical of the region. Winters are cold and bring occasional snowfall, while summers are warm. Despite the dry summer months, the area receives high annual precipitation, primarily during the cooler, wetter season.
Grass Valley Climate Graph - California Climate Chart
Daily normals Grass Valley - California - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 52.7 | 32.5 | 0.30 | 0.30 | 0.00 | 0.00 |
| 2 Jan | 52.7 | 32.5 | 0.60 | 0.60 | 0.00 | 0.00 |
| 3 Jan | 52.8 | 32.6 | 0.89 | 0.89 | 0.00 | 0.00 |
| 4 Jan | 52.9 | 32.6 | 1.19 | 1.19 | 0.00 | 0.00 |
| 5 Jan | 53.0 | 32.7 | 1.49 | 1.49 | 0.00 | 0.00 |
| 6 Jan | 53.1 | 32.7 | 1.79 | 1.79 | 0.00 | 0.00 |
| 7 Jan | 53.1 | 32.8 | 2.09 | 2.09 | 0.10 | 0.10 |
| 8 Jan | 53.2 | 32.9 | 2.40 | 2.40 | 0.10 | 0.10 |
| 9 Jan | 53.3 | 32.9 | 2.72 | 2.72 | 0.10 | 0.10 |
| 10 Jan | 53.4 | 33.0 | 3.04 | 3.04 | 0.10 | 0.10 |
| 11 Jan | 53.4 | 33.0 | 3.37 | 3.37 | 0.10 | 0.10 |
| 12 Jan | 53.5 | 33.0 | 3.70 | 3.70 | 0.10 | 0.10 |
| 13 Jan | 53.6 | 33.1 | 4.02 | 4.02 | 0.10 | 0.10 |
| 14 Jan | 53.6 | 33.1 | 4.33 | 4.33 | 0.10 | 0.10 |
| 15 Jan | 53.7 | 33.2 | 4.64 | 4.64 | 0.20 | 0.20 |
| 16 Jan | 53.7 | 33.2 | 4.94 | 4.94 | 0.20 | 0.20 |
| 17 Jan | 53.8 | 33.2 | 5.22 | 5.22 | 0.20 | 0.20 |
| 18 Jan | 53.8 | 33.3 | 5.51 | 5.51 | 0.20 | 0.20 |
| 19 Jan | 53.9 | 33.3 | 5.79 | 5.79 | 0.30 | 0.30 |
| 20 Jan | 53.9 | 33.3 | 6.08 | 6.08 | 0.30 | 0.30 |
| 21 Jan | 53.9 | 33.3 | 6.37 | 6.37 | 0.30 | 0.30 |
| 22 Jan | 54.0 | 33.3 | 6.66 | 6.66 | 0.30 | 0.30 |
| 23 Jan | 54.0 | 33.3 | 6.94 | 6.94 | 0.40 | 0.40 |
| 24 Jan | 54.0 | 33.4 | 7.22 | 7.22 | 0.40 | 0.40 |
| 25 Jan | 54.0 | 33.4 | 7.50 | 7.50 | 0.40 | 0.40 |
| 26 Jan | 54.1 | 33.4 | 7.79 | 7.79 | 0.40 | 0.40 |
| 27 Jan | 54.1 | 33.4 | 8.09 | 8.09 | 0.50 | 0.50 |
| 28 Jan | 54.1 | 33.4 | 8.40 | 8.40 | 0.50 | 0.50 |
| 29 Jan | 54.1 | 33.4 | 8.70 | 8.70 | 0.60 | 0.60 |
| 30 Jan | 54.1 | 33.4 | 9.00 | 9.00 | 0.60 | 0.60 |
| 31 Jan | 54.2 | 33.4 | 9.30 | 9.30 | 0.70 | 0.70 |
Weather history Grass Valley - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 80.1 | 48.9 | 0.00 | 0.00 | 0.0 |
| 02 Sep | 68.0 | 48.9 | 0.00 | 0.00 | 0.0 |
| 03 Sep | 68.0 | 48.9 | 0.00 | 0.00 | 0.0 |
| 04 Sep | 62.1 | 52.0 | 0.79 | 0.00 | 0.0 |
| 05 Sep | 69.1 | 46.0 | 0.03 | 0.00 | 0.0 |
| 06 Sep | 73.0 | 46.0 | 0.00 | 0.00 | 0.0 |
| 07 Sep | 73.9 | 48.9 | 0.00 | 0.00 | 0.0 |
| 08 Sep | 81.0 | 52.0 | 0.00 | 0.00 | 0.0 |
| 09 Sep | 90.0 | 53.1 | 0.00 | 0.00 | 0.0 |
| 10 Sep | 93.9 | 57.0 | 0.00 | 0.00 | 0.0 |
| 11 Sep | 93.9 | 60.1 | 0.00 | 0.00 | 0.0 |
| 12 Sep | 87.1 | 55.0 | 0.00 | 0.00 | 0.0 |
| 13 Sep | 82.9 | 52.0 | 0.00 | 0.00 | 0.0 |
| 14 Sep | 73.9 | 46.0 | 0.00 | 0.00 | 0.0 |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | 73.9 | 48.0 | 0.00 | 0.00 | 0.0 |
| 18 Sep | 73.9 | 46.0 | 0.00 | 0.00 | 0.0 |
| 19 Sep | 78.1 | 46.9 | 0.00 | 0.00 | 0.0 |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Grass Valley
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 77.8 ºF | 53 ºF | |
| Average low temperature Av. low temp. | 50.3 ºF | 33 ºF | |
| Total precipitation Total precip. | 0.82 inch | 8.88 inch | |
| Total snowfall Total snowfall | 0.00 inch | 1 inch | |
| Highest max temperature Highest max temp. | 93.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 62.1 ºF | - | |
| Highest min temperature Highest min temp. | 60.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 46.0 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Grass Valley - California
| Country | United States | |
|---|---|---|
| State | California | |
| County | Nevada | |
| City | Grass Valley | |
| Zip Code | 95945 | |
| Longitude | -121 dec. degr. | |
| Latitude | 39.22 dec. degr. | |
| Altitude - Elevation | 3117ft | |
| ICAO | - | |
| IATA | - |
Date and Time Grass Valley - California
| Local Time | 02:59 AM | |
|---|---|---|
| Sunrise | 06:51 AM | |
| Sunset | 07:00 PM | |
| Day/Night | Night | |
| Timezone | Pacific Daylight Time | |
| Timezone DB | America - Los Angeles |
Map of Grass Valley - California
USGS National Map — Open interactive map
Grass Valley weather averages
| Annual high temperature | 68ºF |
| Annual low temperature | 43ºF |
| Average annual precip. | 53.74 inch |
| Av. annual snowfall | 9 inch |
Station Data
Monthly averages Grass Valley
Longitude: -121.003, Latitude: 39.224
Average weather Grass Valley, CA - 95945
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...