| < January >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in San Diego, California in January is mild at 14.1 °C (57.38 °F).
- Afternoons can be somewhat warm with average high temperatures reaching 18.8 °C (65.8 °F).
- Overnight temperatures are generally a little cool with an average low of 9.4 °C (48.9 °F).
- In January the mean diurnal temperature range/ variation is 9.4 °C (16.9 °F).
- The weather in January is a little parched with sporadic rain. A mere 45.7mm (1.8in) of liquid precipitates across on average 7 days.
- In January the heavens above San Diego, California are fine having on balance a measurable 6:50 of splendid sunshine daily.
- The shortest day is 10:01 long and the longest day is 10:32 long with an average length of 10:14.
- There are approximately 3:15 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 67.7% of daylight hours and cloudy 32.3% of daylight hours.
Check the distance to and compare the San Diego, California January averages with somewhere beginning with:
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Weather Trend Graph for January in San Diego, California, Usa
Navigate to January Weather in Locations Surrounding San Diego, California:
- Bishop, Ca, Usa - 526.6 kms (327.3 miles) NNW
- Fresno, California, Usa - 505.3 kms (314 miles) NNW
- Bakersfield, Ca, Usa - 346.7 kms (215.4 miles) NNW
- San Luis Obispo Poly, Ca, Usa - 434.4 kms (270 miles) NW
- Santa Maria, Ca, Usa - 387.3 kms (240.7 miles) NW
- Los Angeles, Ca, Usa - 177.5 kms (110.3 miles) NW
- Santa Barbara, Ca, Usa - 298.4 kms (185.4 miles) WNW
- Los Angeles, California, Usa - 175.9 kms (109.3 miles) NW
- Long Beach, Ca, Usa - 151.2 kms (94 miles) NW
- Death Valley, California, Usa - 414.2 kms (257.4 miles) N
- Las Vegas, Nevada, Usa - 415.2 kms (258 miles) NNE
- Redlands, Ca, Usa - 141.7 kms (88.1 miles) N
- Phoenix, Arizona, Usa - 486 kms (302 miles) E
- Buckeye, Az, Usa - 390.3 kms (242.5 miles) E
- Yuma, Arizona, Usa - 240.4 kms (149.4 miles) E