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 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
Foster City's shift into June is marked by a subtle change to an agreeable 68.5°F (20.3°C) from May's 63.9°F (17.7°C) in temperature. Foster City's average low-temperature in the month of June is recorded at a cool 53.4°F (11.9°C).Humidity
In Foster City, the average relative humidity in June is 73%.Rainfall
June through August are months without rainfall.Daylight
With an average of 14h and 42min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:49 am and sunset at 8:25 pm. On the last day of June, in Foster City, California, sunrise is at 5:51 am and sunset at 8:34 pm PDT.
Sunshine
The average sunshine in June in Foster City is 11.6h.UV index
June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During June, 5 as the daily maximum UV index converts into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the usual temperature for Foster City in June?
What is the average humidity in June in Foster City?
What is the driest month in Foster City?
Does it rain in Foster City in June?
When are the longest days in Foster City?
How many hours of daylight does Foster City have in June?
When are sunrise and sunset in June in Foster City?
How many hours of sunshine does Foster City have in June?
What is the month with the highest UV index in Foster City?
How high is the UV index in June in Foster City?
Average temperature in June
Foster City, CA
- Average high temperature in June: 68.5°F
The warmest months (with the highest average high temperature) are August and September (71.2°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in June: 53.4°F
The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in June
Foster City, CA
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in June
Foster City, CA
- Average wind speed in June: 7.2mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are August, September and October (5.9mph).
Average humidity in June
Foster City, CA
- Average humidity in June: 73%
The months with the highest relative humidity are March and August (76%).
The months with the lowest relative humidity are October and November (70%).
Average rainfall in June
Foster City, CA
- Average rainfall in June: 0"
The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and August (0").
Average rainfall days in June
Foster City, CA
- Average rainfall days in June: 0.4 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is July (0.3 days).
Average daylight in June /
Average sunshine in June
Foster City, 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: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in June
Foster City, CA
- Average sunshine days in June: 29.3 days
The month with the most sunshine days is July (30.4 days).
The month with the least sunshine days is February (23.3 days).
Average UV index in June
Foster City, CA
- Average UV index in June: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in June
Foster City, CA
- Average cloud cover in June: 15
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in June
Foster City, 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).
Foster City, California, USA
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