18.12
thu
thu
Day

88°F
W 9 mph
Precip.
0%
0%
Night

77°F
SW 6 mph
Precip.
0%
0%
19.12
fri
fri
Day

88°F
SW 5 mph
Precip.
0%
0%
Night

79°F
SW 13 mph
Precip.
0%
0%
20.12
sat
sat
Day

88°F
W 16 mph
Precip.
0%
0%
Night

79°F
SW 14 mph
Precip.
0%
0%
21.12
sun
sun
Day

88°F
W 17 mph
Precip.
0%
0%
Night

79°F
SW 14 mph
Precip.
0%
0%
22.12
mon
mon
Day

90°F
W 16 mph
Precip.
0%
0%
Night

79°F
W 12 mph
Precip.
0%
0%
23.12
tue
tue
Day

90°F
SW 14 mph
Precip.
0%
0%
Night

79°F
SW 15 mph
Precip.
0%
0%
24.12
wed
wed
Day

90°F
SW 14 mph
Precip.
0%
0%
Night

79°F
W 14 mph
Precip.
0%
0%
25.12
thu
thu
Day

90°F
W 11 mph
Precip.
0%
0%
Night

77°F
W 14 mph
Precip.
0%
0%
26.12
fri
fri
Day

90°F
W 12 mph
Precip.
0%
0%
Night

77°F
W 15 mph
Precip.
0%
0%
27.12
sat
sat
Day

88°F
W 15 mph
Precip.
0%
0%
Night

79°F
SW 15 mph
Precip.
0%
0%
28.12
sun
sun
Day

88°F
W 15 mph
Precip.
0%
0%
Night

77°F
W 13 mph
Precip.
0%
0%
29.12
mon
mon
Day

90°F
W 12 mph
Precip.
0%
0%
Night

77°F
W 11 mph
Precip.
0%
0%
30.12
tue
tue
Day

88°F
W 14 mph
Precip.
0%
0%
Night

79°F
SW 14 mph
Precip.
0%
0%
sea water
temperature
temperature
| San Diego |
monthly
weather
weather
| San Diego |
current
weather
weather
| San Diego |
7 days
forecast
forecast
| San Diego |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 82.4°F and 80.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 83.1°F and 80.1°F.
Air temperature in San Diego, °F
Precipitation total in San Diego, in.
* Charts above show average data for the last 3 years.
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: 02:20
December 18, thursday
0300

75°F
W
10 mph
10 mph
0600

75°F
W
9 mph
9 mph
0900

82°F
W
12 mph
12 mph
1200

88°F
W
9 mph
9 mph
1500

86°F
NW
11 mph
11 mph
1800

81°F
W
10 mph
10 mph
2100

79°F
SW
6 mph
6 mph
December 19, friday
0000

77°F
SW
6 mph
6 mph


























