March weather forecastClayton, CA
March
Weather in March
March, the first month of the spring in Clayton, is a refreshing month, with an average temperature ranging between max 63°F (17.2°C) and min 43.9°F (6.6°C).Temperature
The arrival of March marks a slight shift to an average high-temperature of a still refreshing 63°F (17.2°C) from February's 59.9°F (15.5°C). During March, the average low-temperature in Clayton is a chilly 43.9°F (6.6°C).Humidity
The months with the highest humidity are January and March, with an average relative humidity of 73%.Rainfall
In Clayton, in March, during 8.6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Clayton, during the entire year, the rain falls for 50 days and collects up to 4.76" (121mm) of precipitation.Daylight
In March, the average length of the day in Clayton is 11h and 59min.On the first day of the month, sunrise is at 6:37 am and sunset at 6:01 pm PST. On the last day of March, sunrise is at 6:52 am and sunset at 7:30 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 Clayton, the average sunshine in March is 8h.UV index
In Clayton, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 during March translates into the following guidance:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Clayton, CA
- Average high temperature in March: 63°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in March: 43.9°F
The month with the highest average low temperature is September (57.6°F).
The coldest month (with the lowest average low temperature) is January (41.7°F).
Average pressure in March
Clayton, CA
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in March
Clayton, CA
- Average wind speed in March: 5.8mph
The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in March
Clayton, CA
- Average humidity in March: 73%
The months with the highest relative humidity are January and March (73%).
The months with the lowest relative humidity are September and October (55%).
Average rainfall in March
Clayton, CA
- Average rainfall in March: 0.75"
The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in March
Clayton, CA
- Average rainfall days in March: 8.6 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is August (0.8 days).
Average daylight in March /
Average sunshine in March
Clayton, 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: 8h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in March
Clayton, CA
- Average sunshine days in March: 21.7 days
The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is March (21.7 days).
Average UV index in March
Clayton, CA
- Average UV index in March: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in March
Clayton, CA
- Average cloud cover in March: 36
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in March
Clayton, 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).
