August weather forecastLos Altos Hills, CA
August
Weather in August
August, the last month of the summer in Los Altos Hills, is another pleasant month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 56.7°F (13.7°C).Temperature
The highest temperatures are recorded in August, with averages reaching a high of 73°F (22.8°C) and a low of 56.7°F (13.7°C).Humidity
In Los Altos Hills, the average relative humidity in August is 74%.Rainfall
In Los Altos Hills, in August, during 1 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. In Los Altos Hills, during the entire year, the rain falls for 57.5 days and collects up to 4.76" (121mm) of precipitation.Daylight
In August, the average length of the day in Los Altos Hills is 13h and 33min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:38 pm PDT.
Sunshine
In August, the average sunshine is 11.9h.UV index
June through September, with an average maximum UV index of 5, are months with the highest UV index in Los Altos Hills. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Los Altos Hills, CA
- Average high temperature in August: 73°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in August: 56.7°F
The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).
Average pressure in August
Los Altos Hills, CA
- Average pressure in August: 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 August
Los Altos Hills, CA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Los Altos Hills, CA
- Average humidity in August: 74%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in August
Los Altos Hills, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Los Altos Hills, CA
- Average rainfall days in August: 1 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).
Average daylight in August /
Average sunshine in August
Los Altos Hills, CA
- Average daylight in August: 13h and 36min
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: 11h and 54min
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 54min).
Average sunshine days in August
Los Altos Hills, CA
- Average sunshine days in August: 24.2 days
The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in August
Los Altos Hills, CA
- Average UV index in August: 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, November and December (UV index 3).
Average cloud cover in August
Los Altos Hills, CA
- Average cloud cover in August: 11
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in August
Los Altos Hills, 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).





