World Resorts USA San Diego Weather

San Diego weather in January

Weather in San Diego: January

Average day temperature: 63.2°F
Average night temperature: 53.3°F
Sea water temperature: 59.1°F
Number of sunny days: 19 days
Day length: 10.0 - 10.6 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in January, °F

Show year:
2024
2023
2022

The highest day temperature during January of 2024 was 68°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during January were 61.2°F and 56.1°F.

Sea water temperature in San Diego in January, °F

Show year:
2024
2023
2022

The average sea water temperature in January of 2024 was 59.6°F. The highest and lowest sea temperatures during the month were 61.7°F and 57.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are sunny but cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in San Diego in January is 1.4 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 5.7 mph It makes January one of the least windy months of the year.

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 January is: 6.6.

Best time for vacation in San Diego

Sunniest months:
July 23 days
August 21 days
November 21 days
Warmest months:
August 79.3 °F
September 78.2 °F
July 76.5 °F
Warmest sea temp:
August 69.9 °F
September 69.1 °F
July 69.0 °F
Coldest months:
January 63.2 °F
December 63.3 °F
February 63.3 °F
Rainiest months:
March 2 days
February 2 days
January 2 days
Windiest months:
May 7.6 mph
April 7.4 mph
March 7.1 mph

San Diego on a weather map

San Diego
+57°F
NE 4 mph
Feels like: +59°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+52°F
+72°F
+72°F
+63°F
+57°F
+77°F
+50°F
+75°F
+57°F
+52°F
+73°F
+75°F
+75°F
+46°F
24 Hours Forecast
San Diego
Local time: 06:44
April 19, friday
0900
61°F
NE
3 mph
1200
64°F
E
7 mph
1500
66°F
E
9 mph
1800
63°F
E
9 mph
2100
61°F
E
5 mph
April 20, saturday
0000
59°F
E
4 mph
0300
57°F
E
2 mph
0600
57°F
E
3 mph
Units of measurement: °C / °F