July weather forecastGlen Ellen, CA
July
Weather in July
July, the same as June, is another warm summer month in Glen Ellen, California, with an average temperature fluctuating between 54.1°F (12.3°C) and 82.8°F (28.2°C).Temperature
The onset of July notes an average high-temperature of a still moderately hot 82.8°F (28.2°C), subtly shifted from June's 79.5°F (26.4°C). In Glen Ellen, following the steep rise of daytime temperatures, an average nighttime low of 54.1°F (12.3°C) is anticipated during July.Heat index
In July, the average heat index is evaluated at a tropical 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In July, the average relative humidity in Glen Ellen is 62%.Rainfall
July and August are months with the least rain in Glen Ellen when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
The average length of the day in July is 14h and 32min.On the first day of July in Glen Ellen, sunrise is at 5:50 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:20 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 12h of sunshine.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index in Glen Ellen. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 during July translates into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Glen Ellen, CA
- Average high temperature in July: 82.8°F
The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in July: 54.1°F
The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in July
Glen Ellen, CA
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Glen Ellen, CA
- Average wind speed in July: 5.3mph
The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in July
Glen Ellen, CA
- Average humidity in July: 62%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).
Average rainfall in July
Glen Ellen, CA
- Average rainfall in July: 0.04"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in July
Glen Ellen, CA
- Average rainfall days in July: 1.3 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in July /
Average sunshine in July
Glen Ellen, 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 30min).
- Average sunshine in July: 12h and 0min
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 36min).
Average sunshine days in July
Glen Ellen, CA
- Average sunshine days in July: 28.7 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).
Average UV index in July
Glen Ellen, CA
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in July
Glen Ellen, CA
- Average cloud cover in July: 8
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in July
Glen Ellen, 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).





