February weather forecastGrass Valley, CA
February
Weather in February
The last month of the winter, February, is also a fresh month in Grass Valley, California, with an average temperature ranging between max 54.5°F (12.5°C) and min 37.8°F (3.2°C).Temperature
February brings an average high-temperature of a still fresh 54.5°F (12.5°C), nearly identical to the preceding month. Nighttime temperature experiences an average drop to a cold 37.8°F (3.2°C) in February.Humidity
In February, the average relative humidity is 70%.Rainfall
In Grass Valley, in February, during 9.8 rainfall days, 6.1" (155mm) of precipitation is typically accumulated. Throughout the year, there are 82 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. February is the month with the most snowfall in Grass Valley. Snow falls for 2.2 days and accumulates 6.42" (163mm) of snow.Daylight
The average length of the day in February in Grass Valley is 10h and 46min.On the first day of the month, sunrise is at 7:11 am and sunset at 5:24 pm. On the last day of February, sunrise is at 6:36 am and sunset at 5:56 pm PST.
Sunshine
In February, the average sunshine is 5.9h.UV index
The average daily maximum UV index in February in Grass Valley is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during February translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Grass Valley, CA
- Average high temperature in February: 54.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in February: 37.8°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in February
Grass Valley, CA
- Average pressure in February: 30.09"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in February
Grass Valley, CA
- Average wind speed in February: 6mph
The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in February
Grass Valley, CA
- Average humidity in February: 70%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).
Average rainfall in February
Grass Valley, CA
- Average rainfall in February: 6.1"
The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in February
Grass Valley, CA
- Average rainfall days in February: 9.8 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall in February
Grass Valley, CA
- Average snowfall in February: 6.42"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in February
Grass Valley, CA
- Average snowfall days in February: 2.2 days
The month with the highest number of snowfall days is March (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in February /
Average sunshine in February
Grass Valley, CA
- Average daylight in February: 10h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in February: 5h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in February
Grass Valley, CA
- Average sunshine days in February: 17.3 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in February
Grass Valley, CA
- Average UV index in February: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in February
Grass Valley, CA
- Average cloud cover in February: 35
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in February
Grass Valley, CA
- Average visibility in February: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





