March weather forecastGrass Valley, CA
March
Weather in March
The first month of the spring, March, is a refreshing month in Grass Valley, California, with an average temperature varying between 39.9°F (4.4°C) and 56.5°F (13.6°C).Temperature
The onset of March brings with it an average high-temperature of a mild 56.5°F (13.6°C), showing a negligible variation from the month before. Grass Valley reports an average low-temperature of 39.9°F (4.4°C) during the nights of March.Humidity
With an average relative humidity of 75%, March is the most humid month in Grass Valley, California.Rainfall
The month with the most rainfall in Grass Valley, California, is March, when the rain falls for 15.1 days and typically aggregates up to 6.57" (167mm) of precipitation.Snowfall
Months with snowfall in Grass Valley are January through May, November and December. In Grass Valley, during March, snow falls for 2.4 days and regularly aggregates up to 4.13" (105mm) of snow. In Grass Valley, during the entire year, snow falls for 6.8 days and aggregates up to 14.41" (366mm) of snow.Daylight
In March, the average length of the day is 11h and 59min.On the first day of March, sunrise is at 6:35 am and sunset at 5:57 pm PST. On the last day of the month, sunrise is at 6:48 am and sunset at 7:27 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
In Grass Valley, the average sunshine in March is 7.2h.UV index
In March, the average daily maximum UV index in Grass Valley is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during March leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Grass Valley, CA
- Average high temperature in March: 56.5°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 March: 39.9°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 March
Grass Valley, CA
- Average pressure in March: 30.06"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 March
Grass Valley, CA
- Average wind speed in March: 5.9mph
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 March
Grass Valley, CA
- Average humidity in March: 75%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).
Average rainfall in March
Grass Valley, CA
- Average rainfall in March: 6.57"
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 March
Grass Valley, CA
- Average rainfall days in March: 15.1 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 March
Grass Valley, CA
- Average snowfall in March: 4.13"
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 March
Grass Valley, CA
- Average snowfall days in March: 2.4 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 March /
Average sunshine in March
Grass Valley, CA
- Average daylight in March: 12h and 0min
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 March: 7h and 12min
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 March
Grass Valley, CA
- Average sunshine days in March: 14.8 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 March
Grass Valley, CA
- Average UV index in March: 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 March
Grass Valley, CA
- Average cloud cover in March: 41
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 March
Grass Valley, CA
- Average visibility in March: 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).
