Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average sea temperature in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
San Francisco, California, experiences a transition to a pleasant 70.5°F (21.4°C) in average high-temperatures with the arrival of June, not greatly differing from May's 65.7°F (18.7°C). Throughout the month of June, San Francisco observes an average nighttime temperature of 53.8°F (12.1°C).Humidity
In San Francisco, the average relative humidity in June is 71%.Rainfall
In San Francisco, in June, during 1.9 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, in San Francisco, California, there are 58.6 rainfall days, and 6.46" (164mm) of precipitation is accumulated.Ocean temperature
April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater in San Francisco.Note: Navigating the 53.1°F (11.7°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
With an average of 14h and 42min of daylight, June has the longest days of the year in San Francisco.On the first day of the month, sunrise is at 5:49 am and sunset at 8:26 pm. On the last day of June, in San Francisco, sunrise is at 5:51 am and sunset at 8:35 pm PDT.
Sunshine
In June, the average sunshine is 11.6h.UV index
April, June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in June translates into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the usual temperature for San Francisco in June?
What is the average humidity in June in San Francisco?
How much does it rain in San Francisco in June?
What months are the ocean coldest in San Francisco?
What is the ocean temperature in June in San Francisco?
When are the longest days in San Francisco?
How many hours of daylight does San Francisco have in June?
When is the sunrise / sunset in June in San Francisco?
How many hours of sunshine does San Francisco have in June?
What are the months with the highest UV index in San Francisco?
How high is the UV index in June in San Francisco?
Average temperature in June
San Francisco, CA
- Average high temperature in June: 70.5°F
The warmest month (with the highest average high temperature) is September (73.2°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in June: 53.8°F
The month with the highest average low temperature is September (56.7°F).
The coldest months (with the lowest average low temperature) are January and December (45.9°F).
Average pressure in June
San Francisco, CA
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in June
San Francisco, CA
- Average wind speed in June: 7.2mph
The windiest month (with the highest average wind speed) is May (7.6mph).
The calmest month (with the lowest average wind speed) is November (5.5mph).
Average humidity in June
San Francisco, CA
- Average humidity in June: 71%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (67%).
Average rainfall in June
San Francisco, CA
- Average rainfall in June: 0.12"
The wettest month (with the highest rainfall) is February (1.38").
The driest months (with the least rainfall) are July, August and September (0.08").
Average rainfall days in June
San Francisco, CA
- Average rainfall days in June: 1.9 days
The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is June (1.9 days).
Average sea temperature in June
San Francisco, CA
- Average sea temperature in June: 53°F
The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).
Average daylight in June /
Average sunshine in June
San Francisco, CA
- Average daylight in June: 14h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 11h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in June
San Francisco, CA
- Average sunshine days in June: 25.5 days
The month with the most sunshine days is October (25.8 days).
The month with the least sunshine days is March (20.8 days).
Average UV index in June
San Francisco, CA
- Average UV index in June: 5
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in June
San Francisco, CA
- Average cloud cover in June: 16
The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are July and September (Cloud cover 14).
Average visibility in June
San Francisco, CA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
San Francisco, California, USA
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