Weather in California, United States in May

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

May is a warm and slightly rainy time for sunbathing in California. May is a good month for swimming in California with warm sea temperatures. 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 24°. The average maximum temperature is 22° in the previous month and 26° in the next month.

The average temperature in California in May is 20°. The average temperature ranges is 17° in the previous month and 22° in the next month.

The average minimum temperature in California in May is 16°. The minimum temperature is 13° in the previous month and 18° in the next month.

Sunshine in California in May

The average day light hours per day in California in May are 13.8 and there are 8.6 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 10.8 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 20.9° which is comfortable for swimming though some may prefer warmer water.

Rainfall in California in May

The average total rainfall in California in May is 32.5cm and on average there are 9.7 rainy days in May making it a slightly wet time to visit the beach.

Humidity in California in May

The maximum dew point (an indicator of humidity) in California in May is 16° which is comfortable for everyone. The dew point is 14° in the previous month and 18° in the next month.

The average maximum relative humidity in California in May is typically 87.4%. The maximum relative humidity is 87.1% in the previous month and 87.9% in the next month.

The average relative humidity in California in May is typically 71.5%. The average relative humidity is 70.4% in the previous month and 72.7% 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 28kmh in the previous month and 27kmh in the next month.

The average wind speed in California in May is typically 13kmh. The average wind speed is 14kmh in the previous month and 12kmh in the next month.

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