July weather forecastMillbrae, CA
July
Weather in July
July is a pleasant summer month in Millbrae, California, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 69.6°F (20.9°C).Temperature
Millbrae ushers in July with an average high-temperature of a pleasant 69.6°F (20.9°C), showing a close resemblance to the previous month. Millbrae's average low-temperature in July is measured at a fresh 55°F (12.8°C).Humidity
In Millbrae, the average relative humidity in July is 76%.Rainfall
The month with the least rainfall is July, when the rain falls for 2.4 days and typically collects 0.08" (2mm) of precipitation.Daylight
In July, the average length of the day is 14h and 28min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:34 pm. On the last day of July, sunrise is at 6:13 am and sunset at 8:18 pm PDT.
Sunshine
The month with the most sunshine in Millbrae is July, with an average of 11.8h of sunshine.UV index
June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 5 in July transforms into this advice:
Take necessary precautions - Defending against sun damage is advocated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Millbrae, CA
- Average high temperature in July: 69.6°F
The warmest month (with the highest average high temperature) is September (70.2°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in July: 55°F
The month with the highest average low temperature is September (56.8°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).
Average pressure in July
Millbrae, 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
Millbrae, CA
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).
Average humidity in July
Millbrae, CA
- Average humidity in July: 76%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in July
Millbrae, CA
- Average rainfall in July: 0.08"
The wettest month (with the highest rainfall) is February (2.44").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in July
Millbrae, CA
- Average rainfall days in July: 2.4 days
The month with the highest number of rainy days is March (12.8 days).
The months with the least rainy days are June and July (2.4 days).
Average daylight in July /
Average sunshine in July
Millbrae, CA
- Average daylight in July: 14h and 30min
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: 11h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in July
Millbrae, CA
- Average sunshine days in July: 24.6 days
The month with the most sunshine days is July (24.6 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in July
Millbrae, 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 and December (UV index 3).
Average cloud cover in July
Millbrae, CA
- Average cloud cover in July: 15
The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are July and September (Cloud cover 15).
Average visibility in July
Millbrae, 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).
