San Diego Weather: May
 |
Average Day Temperature: | 69.5°F |
|
Average Night Temperature: | 60.4°F |
|
Sea Water Temperature: | 65.1°F |
|
Number of Sunny Days: | 16 days |
| Sunshine Hours: | 13.5 - 14.2 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.4 in | |
| detailed information | ||
14 day weather
forecast
forecast
| San Diego |
Sea Water
Temperature
Temperature
| San Diego |
Air Temperature in May, °F
The highest day temperature in May 2026 was 77°F. The lowest night temperature was 56°F. The average values for day and night temperatures during May were 71.6°F и 60.9°F respectivly.
San Diego Water Sea Temperature in May, °F
The average sea surface temperature in May 2026 for San Diego was 66.2°F. The maximum and minimum values were 63.6°F and 70.0°F respectively.
Sunny, Cloudy and Gloomy days
Most of the days in May are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in May, in
Precipitation total in May for San Diego is 0.4 in.
Wind Speed in May, mph
The average wind speed in May is 7.5 mph. This value is relatively stable throughout the year.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Diego in May is 9.2 hours.
San Diego on the Weather Map
USA Resorts:
NAME
F°
| Boston |  |
+90 |
| Chicago | |
+76 |
| Hawaii |  |
+78 |
| Honolulu | |
+78 |
| Houston |  |
+86 |
| Las Vegas | |
+92 |
| Los Angeles |  |
+70 |
| Maui | |
+70 |
| Miami | |
+82 |
| Miami Beach | |
+84 |
| New York | |
+94 |
| San Diego | |
+68 |
| San Francisco | |
+60 |
| Sarasota | |
+94 |
| Tampa | |
+90 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
San Diego
Local time: 09:47
04 jun, thursday
| 1200 |  |
72°F | NE 9 mph |
| 1500 | |
74°F | NE 9 mph |
| 1800 | |
72°F | NE 7 mph |
| 2100 |  |
68°F | NE 5 mph |
05 jun, friday
| 0000 | |
66°F | NE 2 mph |
| 0300 | |
66°F | NE 3 mph |
| 0600 |  |
66°F | NE 2 mph |
| 0900 | |
70°F | NE 4 mph |