Weather in California, United States in May

So you're interested in going to California, United States in May

May is a warm and very dry time for sunbathing in California. May is a little too cold to enjoy swimming in California for any length of time. Consider visiting California in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for May.

Temperature in California in May

The average maximum temperature in California in May is 21°. The average maximum temperature is 19° in the previous month and 22° in the next month.

The average temperature in California in May is 16°. The average temperature ranges is 14° in the previous month and 18° in the next month.

The average minimum temperature in California in May is 12°. The minimum temperature is 10° in the previous month and 13° in the next month.

Sunshine in California in May

The average day light hours per day in California in May are 14 and there are 9.6 hours of sunshine per day on average during May making it a sunny month with few clouds.

The ultraviolet index in California in May is typically 10.4 during May. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in California in May

The average sea water temperature in California in May is 18.3° which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Rainfall in California in May

The average total rainfall in California in May is 3.7cm and on average there are 3 rainy days in May making it a very dry time to visit the beach.

Humidity in California in May

The maximum dew point (an indicator of humidity) in California in May is 12° which is very comfortable. The dew point is 10° in the previous month and 13° in the next month.

The average maximum relative humidity in California in May is typically 86.7%. The maximum relative humidity is 87.5% in the previous month and 87.9% in the next month.

The average relative humidity in California in May is typically 70.3%. The average relative humidity is 69.9% in the previous month and 72.6% in the next month.

Wind Speed in California in May

The average maximum wind speed in California in May is typically 27kmh. The average maximum wind speed is 27kmh in the previous month and 26kmh in the next month.

The average wind speed in California in May is typically 11kmh. The average wind speed is 11kmh in the previous month and 11kmh in the next month.

The average wind direction in California in May is from the West.

Monthly Averages

Suggested Beaches in May

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