World Resorts USA San Diego Weather

Summer weather in San Diego

Weather in San Diego in Summer

June July August
Average day temperature: 71.1°F 76.4°F 79.0°F
Average night temperature: 61.8°F 66.3°F 68.3°F
Sea water temperature: 66.0°F 69.0°F 69.9°F
Number of sunny days: 22 days 23 days 22 days
Day length: 14.2 - 14.3 h. 12.7 - 14.3 h. 12.9 - 13.7 h.
Number of rainy days: 0 days 1 day 1 day
Precipitation totals: 0.1 in. 0.7 in. 0.3 in.

Day & Night air temperature, °F

June
July
August
0
13
26
39
52
65
78
91
104
78.3
75.9
70.0
69.8
67.6
63.7
Day temperature   
Night temperature

Sea water temperature, °F

June
July
August
0
11
22
33
44
55
66
77
88
69.9
69
66

Precipitation total, in.

June
July
August
0.0
0.1
0.2
0.4
0.5
0.6
0.7
0.8
0.4
0.7
0.1
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
2
2
2
9
9
9
20
21
18
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
June
July
August
0.0
1.1
2.3
3.4
4.6
5.7
6.8
8.0
6.3
6.5
6.6
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
9
10
11
12
13
10.1
10.7
11

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.

Best time for vacation in San Diego

Sunniest months:
July 23 days
August 22 days
June 22 days
Warmest months:
August 79.0 °F
September 78.0 °F
July 76.4 °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
December 2 days
Windiest months:
May 7.6 mph
April 7.4 mph
March 7.1 mph

San Diego on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+37°F
+43°F
+75°F
+75°F
+52°F
+54°F
+73°F
+41°F
+70°F
+54°F
+50°F
+64°F
+66°F
+84°F
+43°F
24 Hours Forecast
San Diego
Local time: 17:15
March 13, thursday
1800
54°F
E
25 mph
2100
52°F
E
22 mph
March 14, friday
0000
52°F
E
19 mph
0300
52°F
E
16 mph
0600
52°F
E
13 mph
0900
52°F
E
11 mph
1200
52°F
NE
6 mph
1500
54°F
N
14 mph
Units of measurement: °C / °F