July weather forecastSan Rafael, CA
July
Weather in July
July, the same as June, in San Rafael, California, is another pleasant summer month, with an average temperature varying between 54.3°F (12.4°C) and 70.5°F (21.4°C).Temperature
Upon the onset of July, San Rafael witnesses an average high-temperature of a still pleasant 70.5°F (21.4°C), showing a close resemblance to the prior month. San Rafael reports an average nighttime low-temperature of 54.3°F (12.4°C) in July.Humidity
The average relative humidity in July is 75%.Rainfall
The months with the least rainfall are June through September Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.Daylight
In July, the average length of the day is 14h and 29min.On the first day of July, sunrise is at 5:51 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:19 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 11.2h of sunshine.UV index
The months with the highest UV index are April, June through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during July translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
San Rafael, CA
- Average high temperature in July: 70.5°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 July: 54.3°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 July
San Rafael, CA
- Average pressure in July: 29.93"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 July
San Rafael, CA
- Average wind speed in July: 6.6mph
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 July
San Rafael, CA
- Average humidity in July: 75%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall in July
San Rafael, CA
- Average rainfall in July: 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 July
San Rafael, CA
- Average rainfall days in July: 1.4 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 July /
Average sunshine in July
San Rafael, CA
- Average daylight in July: 14h and 30min
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 July: 11h and 12min
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 July
San Rafael, CA
- Average sunshine days in July: 26.3 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 July
San Rafael, CA
- Average UV index in July: 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 July
San Rafael, CA
- Average cloud cover in July: 21
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 July
San Rafael, CA
- Average visibility in July: 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).
