March weather forecastGraton, CA
March
Weather in March
March, the first month of the spring in Graton, is still a refreshing month, with an average temperature fluctuating between 43.5°F (6.4°C) and 60.4°F (15.8°C).Temperature
Graton's weather, upon March's arrival, documents an average high-temperature of a still refreshing 60.4°F (15.8°C), nearly identical to the prior month. During March, the average low-temperature is a frosty 43.5°F (6.4°C).Humidity
With an average relative humidity of 77%, March is the most humid month.Rainfall
In Graton, during March, the rain falls for 12.6 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Graton, California, during the entire year, the rain falls for 72.8 days and collects up to 12.01" (305mm) of precipitation.Daylight
In March, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 6:42 am and sunset at 6:05 pm PST. On the last day of March, sunrise is at 6:56 am and sunset at 7:34 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 March, the average sunshine in Graton is 7.5h.UV index
In March, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during March translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Graton, CA
- Average high temperature in March: 60.4°F
The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in March: 43.5°F
The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in March
Graton, CA
- Average pressure in March: 30.06"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in March
Graton, CA
- Average wind speed in March: 6.5mph
The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in March
Graton, CA
- Average humidity in March: 77%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).
Average rainfall in March
Graton, CA
- Average rainfall in March: 2.01"
The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in March
Graton, CA
- Average rainfall days in March: 12.6 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).
Average daylight in March /
Average sunshine in March
Graton, CA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in March: 7h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in March
Graton, CA
- Average sunshine days in March: 17.1 days
The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).
Average UV index in March
Graton, CA
- Average UV index in March: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in March
Graton, CA
- Average cloud cover in March: 39
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in March
Graton, 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).
