Humidity Levels in California During July

The average humidity in July 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 July
Daily Place Morning Afternoon
Southern California
34 Bakersfield 44 21
68 Long Beach 78 52
77 Los Angeles 81 68
75 San Diego 79 66
77 Santa Barbara 84 64
81 Santa Maria 88 60
Northern California
39 Fresno 53 21
53 Sacramento 70 28
73 San Francisco 80 59
46 Stockton 62 26

Highest and Lowest Humidity

Below are the averages during July 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 July
High Time Place Low Time
Southern California
48.2 4 am Bakersfield 21.1 4 pm
82.0 4 am Long Beach 52.3 4 pm
85.9 4 am Los Angeles 64.5 1 pm
82.0 4 am San Diego 64.3 1 pm
87.3 4 am Santa Barbara 63.8 1 pm
94.7 4 am Santa Maria 56.2 1 pm
Northern California
60.3 4 am Fresno 21.3 4 pm
76.1 4 am Sacramento 27.8 4 pm
86.2 4 am San Francisco 55.9 1 pm
66.4 4 am Stockton 26.2 4 pm
Reference

World Data Center for Meteorology. Climate of the World.

California Humidity
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