March weather forecastPetaluma, CA
March
Weather in March
The first month of the spring, March, is still a refreshing month in Petaluma, California, with an average temperature varying between 60.3°F (15.7°C) and 44.6°F (7°C).Temperature
March commences with an average high-temperature of a still mild 60.3°F (15.7°C), showing little deviation from February's 58.6°F (14.8°C). During the nights in March, the temperature averages to a chilly 44.6°F (7°C).Humidity
With an average relative humidity of 77%, March is the most humid month.Rainfall
In Petaluma, California, in March, during 12.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Petaluma, California, during the entire year, the rain falls for 71.1 days and collects up to 15.24" (387mm) of precipitation.Daylight
The average length of the day in March in Petaluma, California, is 11h and 59min.On the first day of March in Petaluma, California, sunrise is at 6:41 am and sunset at 6:04 pm PST. On the last day of the month, sunrise is at 6:55 am and sunset at 7:33 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 is 7.5h.UV index
In March, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in March, converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Petaluma, CA
- Average high temperature in March: 60.3°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in March: 44.6°F
The month with the highest average low temperature is September (55.2°F).
The coldest month (with the lowest average low temperature) is December (43.2°F).
Average pressure in March
Petaluma, CA
- Average pressure in March: 30.07"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
Petaluma, CA
- Average wind speed in March: 6.5mph
The windiest months (with the highest average wind speed) are April and May (7mph).
The calmest month (with the lowest average wind speed) is November (5mph).
Average humidity in March
Petaluma, CA
- Average humidity in March: 77%
The month with the highest relative humidity is March (77%).
The months with the lowest relative humidity are September and October (65%).
Average rainfall in March
Petaluma, CA
- Average rainfall in March: 2.4"
The wettest month (with the highest rainfall) is February (3.5").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in March
Petaluma, 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 July (1 days).
Average daylight in March /
Average sunshine in March
Petaluma, 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 36min).
- 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
Petaluma, CA
- Average sunshine days in March: 17.2 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (17.2 days).
Average UV index in March
Petaluma, 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
Petaluma, 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 10).
Average visibility in March
Petaluma, 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).
