Weather in San Francisco, United States in July

So you're interested in going to San Francisco, United States in July

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

Temperature in San Francisco in July

The average maximum temperature in San Francisco in July is 22°. The average maximum temperature is 21° in the previous month and 22° in the next month.

The average temperature in San Francisco in July is 18°. The average temperature ranges is 17° in the previous month and 18° in the next month.

The average minimum temperature in San Francisco in July is 13°. The minimum temperature is 12° in the previous month and 14° in the next month.

Sunshine in San Francisco in July

The average day light hours per day in San Francisco in July are 14.5 and there are 10.5 hours of sunshine per day on average during July making it a very sunny and pleasant month with long bright days.

The ultraviolet index in San Francisco in July is typically 10.6 during July. 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 San Francisco in July

The average sea water temperature in San Francisco in July is 18.4° which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Wind Speed in San Francisco in July

The average maximum wind speed in San Francisco in July is typically 37kmh. The average maximum wind speed is 40kmh in the previous month and 37kmh in the next month.

The average wind speed in San Francisco in July is typically 18kmh. The average wind speed is 20kmh in the previous month and 18kmh in the next month.

The average wind direction in San Francisco in July is from the West-Northwest.

Monthly Averages

Suggested Beaches in July

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