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 78.4°F. The average nightly temp is 69.9°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 70.0°F.

Precipitation total, in.

June 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 February.

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:
November 20 days
July 20 days
August 20 days
Warmest months:
August 78.9 °F
September 77.9 °F
July 76.5 °F
Warmest sea temp:
August 70.0 °F
September 69.0 °F
July 68.8 °F
Coldest months:
January 63.6 °F
December 63.7 °F
February 63.8 °F
Rainiest months:
March 2 days
February 2 days
January 2 days
Windiest months:
May 7.5 mph
April 7.4 mph
March 7.1 mph

San Diego on a weather map

San Diego
+90°F
E 9 mph
Feels like: +99°F
Precip.: 3%
Places in USA:
Name
°F
+81°F
+86°F
+79°F
+106°F
+95°F
+91°F
+64°F
+84°F
+79°F
+90°F
+66°F
+81°F
+95°F
+102°F
+79°F
24 Hours Forecast
San Diego
Local time: 13:16
August 25, tuesday
1500
77°F
E
7 mph
1800
77°F
E
7 mph
2100
75°F
E
2 mph
August 26, wednesday
0000
77°F
NE
4 mph
0300
75°F
NE
4 mph
0600
73°F
NE
3 mph
0900
77°F
N
6 mph
1200
77°F
N
11 mph
Units of measurement: °C / °F