Weather in San Diego: May
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Average day temperature: | 90.5°F |
| Average night temperature: | 80.3°F | |
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Sea water temperature: | 84.6°F |
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Number of sunny days: | 8 days |
| Day length: | 12.6 - 12.8 hours | |
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Number of rainy days: | 5 days |
| Precipitation totals: | 2.6 in. | |
| more information | ||
14 days
forecast
forecast
| San Diego |
sea water
temperature
temperature
| San Diego |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 96°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during May were 94.1°F and 79.4°F.
Sea water temperature in San Diego in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 85.0°F. The highest and lowest sea temperatures during the month were 86.5°F and 82.2°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in San Diego in May is 2.6 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 8.3 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 6.8.
Best time for vacation in San Diego
San Diego on a weather map
Places in Nicaragua:
Name
°F
24 Hours Forecast
San Diego
Local time: 20:30
December 14, sunday
2100
81°F
W
17 mph
17 mph
December 15, monday
0000
79°F
W
14 mph
14 mph
0300
79°F
SW
11 mph
11 mph
0600
77°F
SW
7 mph
7 mph
0900
84°F
SW
13 mph
13 mph
1200
88°F
SW
14 mph
14 mph
1500
88°F
W
12 mph
12 mph
1800
82°F
W
16 mph
16 mph
