San Diego, CA: Clear/Cloudy Skies, and Daylight Hours
Average Number of Clear Days
San Diego, CA
U.S. Avg.
Difference
January
22
17
+5
February
21
16
+5
March
22
17
+5
April
23
17
+6
May
23
18
+5
June
23
19
+4
July
23
20
+3
August
24
20
+4
September
23
19
+4
October
24
19
+5
November
23
18
+5
December
22
17
+5
Average Number of Cloudy Days
San Diego, CA
U.S. Avg.
Difference
January
9
14
-5
February
7
12
-5
March
9
14
-5
April
7
13
-6
May
8
13
-5
June
7
11
-4
July
8
11
-3
August
7
11
-4
September
7
11
-4
October
7
12
-5
November
7
12
-5
December
9
14
-5
Average Daylight Hours per Day
San Diego, CA
U.S. Avg.
Difference
January
10
10
No difference
February
11
11
No difference
March
12
12
No difference
April
13
13
No difference
May
14
14
No difference
June
15
15
No difference
July
14
15
-1
August
13
14
-1
September
12
13
-1
October
11
12
-1
November
10
10
No difference
December
10
10
No difference
San Diego, CA: Rainy Days, Snow Days, and Humidity
Average Number of Rainy Days
San Diego, CA
U.S. Avg.
Difference
January
6
9
-3
February
9
8
+1
March
6
9
-3
April
3
7
-4
May
1
7
-6
June
1
7
-6
July
1
7
-6
August
0
6
-6
September
1
7
-6
October
2
7
-5
November
3
8
-5
December
6
8
-2
Average Number of Snow Days
San Diego, CA
U.S. Avg.
Difference
January
0
2
-2
February
0
2
-2
March
0
1
-1
April
0
0
No difference
May
0
0
No difference
June
0
0
No difference
July
0
0
No difference
August
0
0
No difference
September
0
0
No difference
October
0
0
No difference
November
0
1
-1
December
0
2
-2
Average Humidity (%)
San Diego, CA
U.S. Avg.
Difference
January
63
68
-5%
February
65
66
-1%
March
64
63
+1%
April
62
59
+3%
May
66
61
+5%
June
70
60
+10%
July
70
61
+9%
August
71
62
+9%
September
69
63
+6%
October
67
63
+4%
November
65
65
No difference
December
64
68
-4%
The assessments presented on this website, including those related to crime, safety, cost of living, and other location characteristics (e.g., states, cities, towns, villages, neighborhoods, areas, landmarks), are based on various sources and our internal research methods. These assessments are not guaranteed to be accurate or complete and should not be used as the sole basis for making any decisions.
