San Francisco Weather in June

The mild spring weather continues through June at San Francisco, California. This is one of the city's sunniest months, yet the temperature is rarely hot.

This page gives detailed information on the typical June temperature, precipitation, sun, humidity, wind and storms for San Francisco.

The temperature, rainfall, sunshine and wind speed numbers here are historical averages based on climate data gathered in downtown San Francisco near the corner of Buchanan and Hermann Streets. The rest of the measurements are averages at the San Francisco International Airport, located south of the city center.

Temperature Weather iconTemperature

66 °F June average high 19 °C
53 °F June average low 12 °C

In most years, San Francisco averages a daily maximum temperature for June that's between 64 and 69 degrees Fahrenheit (18 to 20 degrees Celsius). The minimum temperature usually falls between 51 and 54 °F (11 to 12 °C).

The days at San Francisco continue to warm up gradually during June. By the end of the month, the temperature has climbed around 2 °F (1 °C) above what it was at the start.

26 days 60 °F max. or more (16 °C)
4 days 50 °F min. or less (10 °C)

Usually every day during June the temperature rises to over 50 °F (10 °C) in San Francisco. The city averages 7 days this month when the thermometer reaches into the 70s °F (over 21 °C). Temperatures above 90 °F (32 °C) rarely happen during June.

The thermometer normally dips to 60 °F (16 °C) or below every night this month. But June does not get as cold as 40 °F (4 °C).

Rainy Weather iconRain

0.2 in total precipitation 4 mm
2 days of rain

Every few years, San Francisco receives no rain in June. The rainiest Junes get at least 0.3 inches (7 mm).

Sunny Weather iconSun

73 % sunshine
16 days clear skies

The sun's rays reach the ground in San Francisco during 73 percent of daylight hours on average in June, for a total of 323 hours in the month. Typically on 16 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in June at San Francisco averages 14 hours and 44 minutes a day. The longest days of the year, from around June 18th to 23rd, last 14 hours and 47 minutes from sunrise to sunset.

Humid Weather iconHumidity

71 % June average humidity

The relative humidity in San Francisco during June usually peaks at 84 percent in the morning then drops to 55 percent by early afternoon.

Local Time1 am4 am7 am10 am1 pm4 pm7 pm10 pm
Humidity % 83 84 77 63 55 59 71 79

Windy Weather iconWind

10.9 mph June wind speed average 17.5 kph

June is windier than most other months in San Francisco.

Stormy Weather iconStorms

0 days rainfall of 0.5 inches (13 mm) or more
0 days with thunderstorms in June

About once a decade, San Francisco receives as much as an inch (25 mm) of rain in one day during June.

Thunderstorms normally don't occur in San Francisco during June.

Reference

These weather data are long-term historical averages provided by the National Climatic Data Center of the United States. The temperature and precipitation numbers are 1981-2010 normals while the humidity and thunderstorm statistics are 1961-1990 normals.

San Francisco Weather
Back to Top