July weather forecastO'Brien, CA
July
Weather in July
July is a tropical summer month in O'Brien, California, with an average temperature fluctuating between 59.4°F (15.2°C) and 91.6°F (33.1°C).Temperature
In O'Brien, temperatures reach their average annual highs in July, measuring 91.6°F (33.1°C) and a minimum average of 59.4°F (15.2°C).Humidity
In O'Brien, the average relative humidity in July is 38%.Rainfall
The month with the least rainfall is July, when the rain falls for 2.5 days and typically collects 0.12" (3mm) of precipitation.Snowfall
In O'Brien, snow does not fall in April through October.Daylight
In O'Brien, the average length of the day in July is 14h and 46min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:44 pm. On the last day of July, sunrise is at 6:05 am and sunset at 8:25 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 12.2h of sunshine.UV index
The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 7 during July translates into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. 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
O'Brien, CA
- Average high temperature in July: 91.6°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (47.8°F).
- Average low temperature in July: 59.4°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in July
O'Brien, CA
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in July
O'Brien, CA
- Average wind speed in July: 4.8mph
The windiest months (with the highest average wind speed) are March and October (5.3mph).
The calmest months (with the lowest average wind speed) are August and November (4.5mph).
Average humidity in July
O'Brien, CA
- Average humidity in July: 38%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is August (37%).
Average rainfall in July
O'Brien, CA
- Average rainfall in July: 0.12"
The wettest month (with the highest rainfall) is March (4.8").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in July
O'Brien, CA
- Average rainfall days in July: 2.5 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.7 days).
Average snowfall in July
O'Brien, CA
- Average snowfall in July: 0"
The month with the highest snowfall is November (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
O'Brien, CA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
O'Brien, CA
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 12h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in July
O'Brien, CA
- Average sunshine days in July: 26.3 days
The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is March (11.8 days).
Average UV index in July
O'Brien, CA
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in July
O'Brien, CA
- Average cloud cover in July: 6
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in July
O'Brien, CA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
