Humidity Levels in California During January





The average humidity in January is listed below for places in California. The tables give daily averages along with highest and lowest relative humidity levels.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold.

All the numbers here are averages for the years 1961 to 1990.

Average Humidity

In this table, the Daily number is the average of humidity readings taken every three hours throughout the day. Morning percentages are for 7 am and Afternoon measures are for 4 pm local standard time.

Average relative humidity (%) in January
Daily Place Morning Afternoon
Southern California
76 Bakersfield 86 62
65 Long Beach 74 51
63 Los Angeles 67 59
63 San Diego 68 56
66 Santa Barbara 77 53
65 Santa Maria 81 58
Northern California
83 Fresno 92 67
83 Sacramento 91 70
78 San Francisco 86 66
84 Stockton 91 71

Highest and Lowest Humidity

Below are the averages during January for maximum and minimum humidity levels in California. The hours when this month's highest and lowest humidity readings usually occur are given in local standard time.

Daily high and low relative humidity (%) averages in January
High Time Place Low Time
Southern California
86.1 7 am Bakersfield 61.7 4 pm
74.5 4 am Long Beach 47.2 1 pm
69.5 4 am Los Angeles 50.7 1 pm
70.3 1 am San Diego 49.7 1 pm
77.1 7 am Santa Barbara 51.2 1 pm
80.6 7 am Santa Maria 50.2 1 pm
Northern California
91.7 7 am Fresno 67.1 4 pm
90.8 7 am Sacramento 70.3 4 pm
86.2 7 am San Francisco 66.3 4 pm
90.6 7 am Stockton 71.1 4 pm
Reference

World Data Center for Meteorology. Climate of the World.

California Humidity
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