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
Westmont's warmest month, August, registers temperatures that range from a high of 80.2°F (26.8°C) to a low of 64.9°F (18.3°C).Humidity
In August, the average relative humidity is 65%.Rainfall
In August, the rain falls for 2.5 days. Throughout August, 0.16" (4mm) of precipitation is accumulated. Throughout the year, in Westmont, there are 47.6 rainfall days, and 7.24" (184mm) of precipitation is accumulated.Daylight
The average length of the day in August in Westmont, California, is 13h and 23min.On the first day of August in Westmont, sunrise is at 6:05 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:19 pm PDT.
Sunshine
The months with the most sunshine in Westmont, California, are July and August, with an average of 11.9h of sunshine.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Westmont. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: In August, the UV index of 6 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are the warmest months in Westmont?
What is the usual temperature for Westmont in August?
What is the average humidity in August in Westmont?
How many days does it rain in August in Westmont?
What is the average length of the day in August in Westmont?
When is the sunrise / sunset in August in Westmont?
What is the month with the most sunshine in Westmont?
How many hours of sunshine does Westmont have in August?
When is the highest UV index in Westmont?
How high is the UV index in August in Westmont?
Average temperature in August
Westmont, CA
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in August: 64.9°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (51.1°F).
Average pressure in August
Westmont, CA
- Average pressure in August: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Westmont, CA
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).
Average humidity in August
Westmont, CA
- Average humidity in August: 65%
The month with the highest relative humidity is June (70%).
The month with the lowest relative humidity is November (54%).
Average rainfall in August
Westmont, CA
- Average rainfall in August: 0.16"
The wettest month (with the highest rainfall) is January (1.42").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Westmont, CA
- Average rainfall days in August: 2.5 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.7 days).
Average daylight in August /
Average sunshine in August
Westmont, CA
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in August: 11h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in August
Westmont, CA
- Average sunshine days in August: 25.4 days
The month with the most sunshine days is October (25.5 days).
The month with the least sunshine days is June (21.4 days).
Average UV index in August
Westmont, CA
- Average UV index in August: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in August
Westmont, CA
- Average cloud cover in August: 7
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in August
Westmont, 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).
Westmont, California, USA
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