June weather forecastSan Rafael, CA
June
Weather in June
June, the first month of the summer in San Rafael, is an agreeable month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 53.2°F (11.8°C).Temperature
The start of June marks an average high-temperature of a pleasant 69.1°F (20.6°C), hardly distinguishable from the conditions in May. In June, San Rafael experiences an average nighttime temperature of 53.2°F (11.8°C).Humidity
In June, the average relative humidity is 73%.Rainfall
June through September are months with the least rain when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
The month with the longest days is June, with an average of 14h and 48min of daylight.On the first day of June, sunrise is at 5:48 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:36 pm PDT.
Sunshine
In June, the average sunshine in San Rafael is 11.1h.UV index
April, June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In June, an average UV index of 5 transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
San Rafael, CA
- Average high temperature in June: 69.1°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in June: 53.2°F
The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).
Average pressure in June
San Rafael, 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 Rafael, CA
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).
Average humidity in June
San Rafael, CA
- Average humidity in June: 73%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall in June
San Rafael, CA
- Average rainfall in June: 0.04"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in June
San Rafael, CA
- Average rainfall days in June: 1.2 days
The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).
Average daylight in June /
Average sunshine in June
San Rafael, CA
- Average daylight in June: 14h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 11h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in June
San Rafael, CA
- Average sunshine days in June: 26.4 days
The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).
Average UV index in June
San Rafael, 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 Rafael, CA
- Average cloud cover in June: 22
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in June
San Rafael, 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).





