Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
Shifting into July, Fairfax records an average high-temperature of a pleasant 68.5°F (20.3°C), presenting minor fluctuations compared to the previous month. Throughout July, the average low-temperature in Fairfax dips to a cool 54.9°F (12.7°C).Humidity
In Fairfax, the average relative humidity in July is 77%.Rainfall
July and August are months with the least rain in Fairfax when the rain falls for 2.3 days and typically aggregates up to 0.08" (2mm) of rain.Snowfall
January through November are months without snowfall.Daylight
In July, the average length of the day in Fairfax 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 8:20 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 11.2h of sunshine.UV index
June through September, with an average maximum UV index of 5, are months with the highest UV index in Fairfax. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In July, a regular UV index of 5 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the average July temperature in Fairfax?
What is the average humidity in July in Fairfax?
What is the driest month in Fairfax?
How many days does it rain in July in Fairfax?
When it does not snow in Fairfax?
How many hours of daylight does Fairfax have in July?
When is the sunrise / sunset in July in Fairfax?
What month has the most sunshine in Fairfax?
How long on average sun shines in July in Fairfax?
What is the month with the highest UV index in Fairfax?
What is the UV index reading in July in Fairfax?
Average temperature in July
Fairfax, CA
- Average high temperature in July: 68.5°F
The warmest month (with the highest average high temperature) is September (70.9°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in July: 54.9°F
The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46°F).
Average pressure in July
Fairfax, 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
Fairfax, CA
- Average wind speed in July: 6.8mph
The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is November (5.9mph).
Average humidity in July
Fairfax, CA
- Average humidity in July: 77%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in July
Fairfax, CA
- Average rainfall in July: 0.08"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in July
Fairfax, CA
- Average rainfall days in July: 2.3 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall days in July
Fairfax, CA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Fairfax, CA
- Average daylight in July: 14h and 3min
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 1min
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 36min).
Average sunshine days in July
Fairfax, CA
- Average sunshine days in July: 24.8 days
The months with the most sunshine days are June and July (24.8 days).
The month with the least sunshine days is March (16.6 days).
Average UV index in July
Fairfax, CA
- Average UV index in July: 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 July
Fairfax, CA
- Average cloud cover in July: 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 July
Fairfax, 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).
Fairfax, California, USA
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