World Resorts USA San Diego

San Diego Monthly Weather Averages

Please click on any column to get detailed information about San Diego weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in San Diego is august. The average daily temp is 79.0°F. The average nightly temp is 69.5°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 69.9°F.

Precipitation total, in.

September is the month with least precipitations during the year. The average precipitation totals for this month is 0.1 in. The month with most precipitation total is December.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in San Diego

Sunniest months:
July 23 days
August 21 days
November 21 days
Warmest months:
August 79.3 °F
September 78.2 °F
July 76.5 °F
Warmest sea temp:
August 69.9 °F
September 69.1 °F
July 69.0 °F
Coldest months:
January 63.2 °F
December 63.3 °F
February 63.3 °F
Rainiest months:
March 2 days
February 2 days
January 2 days
Windiest months:
May 7.6 mph
April 7.4 mph
March 7.1 mph

San Diego on a weather map

San Diego
+55°F
SE 6 mph
Feels like: +55°F
Precip.: 0%
Places in USA:
Name
°F
+41°F
+39°F
+72°F
+72°F
+57°F
+54°F
+70°F
+41°F
+59°F
+55°F
+50°F
+63°F
+59°F
+59°F
+39°F
24 Hours Forecast
San Diego
Local time: 03:19
March 29, friday
0600
55°F
SE
4 mph
0900
57°F
E
5 mph
1200
59°F
E
9 mph
1500
61°F
NE
11 mph
1800
59°F
NE
11 mph
2100
57°F
N
11 mph
March 30, saturday
0000
57°F
N
12 mph
0300
57°F
N
16 mph
Units of measurement: °C / °F