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
San Bruno's weather, upon June's arrival, documents an average high-temperature of a still enjoyable 67.3°F (19.6°C), nearly identical to the prior month. During the nights in June, San Bruno experiences a consistent average temperature of 53.8°F (12.1°C).Humidity
The average relative humidity in June in San Bruno is 75%.Rainfall
In San Bruno, in June, during 2.5 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, there are 81.8 rainfall days, and 13.46" (342mm) of precipitation is accumulated.Daylight
June has the longest days of the year, with an average of 14h and 42min of daylight.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, sunrise is at 5:51 am and sunset at 8:35 pm PDT.
Sunshine
In June, the average sunshine is 11.5h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in June transforms into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for San Bruno in June?
What is the average humidity in June?
How much does it rain in June?
When are the longest days?
How many hours of daylight does San Bruno have in June?
What time are sunrise and sunset in June in San Bruno?
How long on average sun shines in June?
When is the highest UV index in San Bruno?
How high is the UV index in June?
Average temperature in June
San Bruno, CA
- Average high temperature in June: 67.3°F
The warmest month (with the highest average high temperature) is September (69.8°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 (56.5°F).
The coldest month (with the lowest average low temperature) is December (47.7°F).
Average pressure in June
San Bruno, 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
San Bruno, CA
- Average wind speed in June: 7.7mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest months (with the lowest average wind speed) are August and September (6.3mph).
Average humidity in June
San Bruno, CA
- Average humidity in June: 75%
The month with the highest relative humidity is August (79%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in June
San Bruno, CA
- Average rainfall in June: 0.12"
The wettest month (with the highest rainfall) is February (2.72").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in June
San Bruno, CA
- Average rainfall days in June: 2.5 days
The month with the highest number of rainy days is March (13.3 days).
The months with the least rainy days are July and August (2.2 days).
Average daylight in June /
Average sunshine in June
San Bruno, 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 3min
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 Bruno, CA
- Average sunshine days in June: 25.5 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in June
San Bruno, 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, November and December (UV index 3).
Average cloud cover in June
San Bruno, CA
- Average cloud cover in June: 19
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in June
San Bruno, 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 Bruno, California, USA
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