San Diego
California, USA
Long-term weather forecast
Long-term weather forecast
Advertisement

March weather forecast and Climate
San Diego, CA

Advertisement
The view of Coronado Island in San Diego, California, from across a water body on a sidewalk, with a row of palm trees
The view of Coronado Island in San Diego, California, from across a water body on a sidewalk, with a row of palm trees
Spring starts in March with pleasant weather and warm temperatures in San Diego. The average temperatures are in the agreeable 43°F (6.1°C) to 66°F (18.9°C) range as the skies host the sun for a daily 8.4 hours.
March sees the back of the Santa Ana winds that drive hot air from the desert to the inland areas. The beginning of spring experiences wet patches of weather, but the rain does not register above 1.8" (45.7mm). The 12-hour long days are sunny and bright, and the atmosphere is lively in San Diego during March. Expect early spring to be a little wet, warm and breezy with a fresh aroma in the air.
Advertisement
  • The average high temperature in March: 65.6°F

The warmest month (with the highest average high temperature) is August (76.4°F).
The month with the lowest average high temperature is December (64.7°F).

  • The average low temperature in March: 53.2°F

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is December (48.4°F).

Advertisement
  • The average humidity in March: 67.3%

The month with the highest relative humidity is July (74.6%).
The month with the lowest relative humidity is January (63.1%).

  • The average rainfall in March: 2"

The wettest month (with the highest rainfall) is January (2.1").
The driest month (with the lowest rainfall) is July (0").

  • The average rainfall days in March: 6.5 days

The month with the highest number of rainy days is February (7.1 days).
The month with the lowest number of rainy days is August (0.4 days).

  • The 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).

  • The average daylight in March: 12h

Months with the longest days are May, June and July (Average daylight: 14h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in March: 8.4h

The month with most sunshine is July (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 7.5h).

  • The average UV index in March: 6

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).

deutscheenglishespañolрусский中文
Advertisement
Advertisement