August weather forecastWestminster, CA
August
Weather in August
August, the last month of the summer in Westminster, is another warm month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 64.9°F (18.3°C).Temperature
August, recognised by an average high temperature of 78.6°F (25.9°C) and a low of 64.9°F (18.3°C), is Westminster's warmest month.Humidity
The average relative humidity in August is 66%.Rainfall
In Westminster, in August, it is raining for 1 days, with typically 0.04" (1mm) of accumulated precipitation. In Westminster, during the entire year, the rain falls for 25.2 days and collects up to 1.57" (40mm) of precipitation.Daylight
The average length of the day in August is 13h and 22min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:51 pm. On the last day of August, sunrise is at 6:25 am and sunset at 7:18 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12h of sunshine.UV index
July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 6 in August translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Westminster, CA
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in August: 64.9°F
The month with the highest average low temperature is September (65.1°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in August
Westminster, CA
- Average pressure in August: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in August
Westminster, CA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (5.2mph).
Average humidity in August
Westminster, CA
- Average humidity in August: 66%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (56%).
Average rainfall in August
Westminster, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is December (0.35").
The driest month (with the least rainfall) is June (0").
Average rainfall days in August
Westminster, CA
- Average rainfall days in August: 1 days
The month with the highest number of rainy days is March (4.6 days).
The month with the least rainy days is June (0.7 days).
Average daylight in August /
Average sunshine in August
Westminster, CA
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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: 6h and 42min).
Average sunshine days in August
Westminster, CA
- Average sunshine days in August: 27.7 days
The months with the most sunshine days are May and June (29 days).
The month with the least sunshine days is February (24.4 days).
Average UV index in August
Westminster, CA
- Average UV index in August: 6
The months with the highest UV index are 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
Westminster, CA
- Average cloud cover in August: 7
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in August
Westminster, 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).
