Average Sunshine in California for May





Number of Sunny Days

In the table below, the average number of Sunny Days for a city in California is the total days this month when the sky is mostly clear. This includes the days when cloud covers up to 30% of the sky during daylight hours.

Partly Sunny Days have cloud covering from 40% to 70% of the sky during the daytime.

Total Days With Sun is a sum of the Sunny plus Partly Sunny days. The rest of the days are mainly overcast, with at least 80% cloud cover. All the numbers are annual averages, made from years of weather watching.

Days of sunshine in May
City Sunny
Days
Partly Sunny
Days
Total Days
With Sun
Bakersfield 18 9 27
Bishop 15 10 25
Blue Canyon12 8 20
Eureka 6 10 16
Fresno 18 8 26
Long Beach 10 13 23
Los Angeles Airport 10 11 21
Los Angeles Downtown 11 12 23
Mount Shasta 12 8 20
Redding 11 9 20
Sacramento 17 9 26
San Diego 8 11 19
San Francisco Airport 14 10 24
Santa Maria 14 10 24
Stockton 17 8 25

Amount of Sun

Here's another way to look at how much sunshine a city gets. The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. Again, these amounts are monthly averages based on many years of weather observations.

Percent sunshine for May
City % Sun
Eureka 58
Fresno 90
Los Angeles Downtown 66
Redding 91
Sacramento 90
San Diego 59
San Francisco Downtown 72
Reference

National Climatic Data Center. Comparative Climatic Data.

California Sunshine
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