July weather forecastCupertino, CA
July
Weather in July
July, the same as June, is a moderately hot summer month in Cupertino, California, with an average temperature ranging between max 79.3°F (26.3°C) and min 55°F (12.8°C).Temperature
In Cupertino, temperatures reach their average annual highs in July, measuring 79.3°F (26.3°C) and a minimum average of 55°F (12.8°C).Humidity
The months with the lowest humidity in Cupertino are July, September and October, with an average relative humidity of 64%.Rainfall
July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
In July, the average length of the day is 14h and 26min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:32 pm. On the last day of July, sunrise is at 6:12 am and sunset at 8:16 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12h of sunshine.UV index
In Cupertino, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during July leads to these advisories:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Cupertino, CA
- Average high temperature in July: 79.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (57°F).
- Average low temperature in July: 55°F
The month with the highest average low temperature is August (56.1°F).
The coldest months (with the lowest average low temperature) are February and March (44.2°F).
Average pressure in July
Cupertino, CA
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in July
Cupertino, CA
- Average wind speed in July: 4.8mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).
Average humidity in July
Cupertino, CA
- Average humidity in July: 64%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July, September and October (64%).
Average rainfall in July
Cupertino, CA
- Average rainfall in July: 0.04"
The wettest month (with the highest rainfall) is February (1.02").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in July
Cupertino, CA
- Average rainfall days in July: 1.3 days
The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is August (0.8 days).
Average daylight in July /
Average sunshine in July
Cupertino, CA
- Average daylight in July: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in July: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in July
Cupertino, CA
- Average sunshine days in July: 28.3 days
The month with the most sunshine days is August (28.5 days).
The months with the least sunshine days are February and March (20.8 days).
Average UV index in July
Cupertino, CA
- Average UV index in July: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in July
Cupertino, CA
- Average cloud cover in July: 7
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in July
Cupertino, 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).
