Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August welcomes an average high-temperature of a still warm 79.3°F (26.3°C), not much different from the preceding month. Mountain View's nighttime average of 56.8°F (13.8°C) during August reflects a substantial decrease from the daytime temperature.Humidity
In August, the average relative humidity is 65%.Rainfall
June through August are months with the least rain when the rain falls for 0.4 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
The average length of the day in August is 13h and 33min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:38 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during August leads to these instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mountain View in August?
What is the average humidity in August?
What is the driest month?
How much does it rain in August?
How many hours of daylight does Mountain View have in August?
When are sunrise and sunset in August?
What are the months with the most sunshine?
How many hours of sunshine does Mountain View have in August?
How high is the UV index in August?
Average temperature in August
Mountain View, CA
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in August: 56.8°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).
Average pressure in August
Mountain View, CA
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed in August
Mountain View, CA
- Average wind speed in August: 4.7mph
The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.7mph).
Average humidity in August
Mountain View, CA
- Average humidity in August: 65%
The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July, September and October (63%).
Average rainfall in August
Mountain View, CA
- Average rainfall in August: 0.04"
The wettest months (with the highest rainfall) are February, March and December (0.83").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in August
Mountain View, CA
- Average rainfall days in August: 0.4 days
The month with the highest number of rainy days is March (10 days).
The month with the least rainy days is August (0.4 days).
Average daylight in August /
Average sunshine in August
Mountain View, CA
- Average daylight in August: 13h and 4min
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 August: 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 August
Mountain View, CA
- Average sunshine days in August: 29.8 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is March (19.4 days).
Average UV index in August
Mountain View, CA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in August
Mountain View, CA
- Average cloud cover in August: 8
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 August
Mountain View, CA
- Average visibility in August: 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).
Mountain View, California, USA
Weather forecast for your location
2. Allow the app to use your location