Measurements:
°C
°F
CURRENT WEATHER
07:48
San Diego
66°F
E 4 mph
Feels like: 66°F
Precip: 0%
World Resorts USA San Diego Weather

7 Day Weather Forecast

05.14
thu
DAY
72°F
NE 9 mph
precip
0%
NIGHT
64°F
NE 4 mph
precip
0%
05.15
fri
DAY
70°F
NE 9 mph
precip
0%
NIGHT
64°F
NE 5 mph
precip
0%
05.16
sat
DAY
70°F
NE 11 mph
precip
0%
NIGHT
64°F
NE 11 mph
precip
0%
05.17
sun
DAY
66°F
N 17 mph
precip
0%
NIGHT
64°F
N 8 mph
precip
0%
05.18
mon
DAY
70°F
NE 8 mph
precip
0%
NIGHT
66°F
NE 3 mph
precip
0%
05.19
tue
DAY
74°F
E 8 mph
precip
0%
NIGHT
68°F
E 3 mph
precip
0%
05.20
wed
DAY
72°F
E 9 mph
precip
0%
NIGHT
68°F
E 4 mph
precip
0%

San Diego Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for San Diego was 17.2°F. The maximum and minimum values were 15.2°F and 19.3°F respectively.

San Diego on the Weather Map

Best Time to Visit San Diego
The most sunny months:
July 21 days
June 20 days
August 20 days
The most warm months:
August 82.1 °F
September 81.0 °F
July 79.1 °F
Warmest sea temperature:
August 72.1 °F
September 71.1 °F
July 70.8 °F
The most cold months:
January 65.1 °F
December 65.2 °F
February 65.3 °F
The most rainy months:
March 2 days
February 2 days
January 2 days
The most windy months:
May 7 mph
April 7 mph
March 7 mph
more details