Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average sea temperature in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
The shift to March signals an average high-temperature of a still refreshing 64.4°F (18°C), subtly varied from February's 63.1°F (17.3°C). The mean low-temperature during March nights is a cool 52.7°F (11.5°C).Humidity
In March, the average relative humidity in San Diego is 68%.Rainfall
In San Diego, during March, the rain falls for 7.6 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in San Diego, California, there are 61.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.Ocean temperature
In San Diego, the average seawater temperature in March is 59.4°F (15.2°C).Note: When the surface water temperature is 59.4°F (15.2°C), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 69.8°F (21°C).
Daylight
In March, the average length of the day is 12h and 1min.On the first day of March, sunrise is at 6:15 am and sunset at 5:46 pm PST. On the last day of the month, sunrise is at 6:36 am and sunset at 7:08 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 San Diego, California, is 8.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in March translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in March in San Diego?
What is the average humidity in March in San Diego?
How many days does it rain in March in San Diego?
What is the ocean temperature in March in San Diego?
How many hours of daylight does San Diego have in March?
When is the sunrise / sunset in March in San Diego?
When does Daylight Saving Time (DST) start in March in San Diego?
How long on average sun shines in March in San Diego?
What are the months with the lowest UV index in San Diego?
What is the UV index reading in March in San Diego?
Average temperature in March
San Diego, CA
- Average high temperature in March: 64.4°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is February (63.1°F).
- Average low temperature in March: 52.7°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in March
San Diego, CA
- Average pressure in March: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in March
San Diego, CA
- Average wind speed in March: 6mph
The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).
Average humidity in March
San Diego, CA
- Average humidity in March: 68%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (59%).
Average rainfall in March
San Diego, CA
- Average rainfall in March: 0.83"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in March
San Diego, CA
- Average rainfall days in March: 7.6 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.7 days).
Average sea temperature in March
San Diego, CA
- Average sea temperature in March: 59.4°F
The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).
Average daylight in March /
Average sunshine in March
San Diego, CA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in March: 8h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in March
San Diego, CA
- Average sunshine days in March: 22.4 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (20.3 days).
Average UV index in March
San Diego, CA
- Average UV index in March: 4
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in March
San Diego, CA
- Average cloud cover in March: 23
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in March
San Diego, 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).
San Diego, California, USA
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