San Diego Weather in June

June is a month of pleasant temperatures and dry weather at San Diego, California.

This page gives detailed information on the typical June temperature, precipitation, sun, humidity, wind and storms for San Diego. The numbers here are historical averages based on climate data gathered at the San Diego International Airport, located on San Diego Bay near the city center.

Temperature Weather iconTemperature

72 °F June average high 22 °C
63 °F June average low 17 °C
19 days 70 °F max. or more (21 °C)
7 days 60 °F min. or less (16 °C)

Every day in June warms to over 60 degrees Fahrenheit (16 degrees Celsius) in San Diego. The city averages 1 day this month when the thermometer reaches into the 80s °F (over 26 °C). Temperatures above 90 °F (32 °C) occur in June about once a decade.

June does not normally get as cold as 50 °F (10 °C).

Rainy Weather iconRain

0.1 in total precipitation 1 mm
1 day of rain

Most years, San Diego has no rain in June.

Sunny Weather iconSun

58 % sunshine
9 days clear skies

The sun's rays reach the ground in San Diego during 58 percent of daylight hours on average in June, for a total of 248 hours in the month. Typically on 9 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in June at San Diego averages 14 hours and 16 minutes a day. The longest days of the year, from around June 19th to 22nd, last 14 hours and 19 minutes from sunrise to sunset.

Humid Weather iconHumidity

74 % June average humidity

The relative humidity in San Diego during June usually peaks at 81 percent in the early morning then drops to 65 percent by early afternoon.

Local Time1 am4 am7 am10 am1 pm4 pm7 pm10 pm
Humidity % 80 81 78 69 65 66 75 78

Windy Weather iconWind

7.8 mph June wind speed average 12.6 kph

June is a little windier than most other months in San Diego.

Stormy Weather iconStorms

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

San Diego has a thunderstorm during June about once in five years.


The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.

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