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 snowfall 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
Welcoming August, London notes an average high-temperature of a still very hot 99.7°F (37.6°C), nearly consistent with July's 100.4°F (38°C). The average low-temperature of 63.7°F (17.6°C) in August in London represents a significant drop from the daily high.Humidity
July and August, with an average relative humidity of 30%, are the least humid months in London, California.Rainfall
The months with the least rainfall in London are June and August Rain falls for 0.9 days and accumulates 0.08" (2mm) of rain.Snowfall
In London, California, snow does not fall in January, March through December.Daylight
In August, the average length of the day in London is 13h and 30min.On the first day of August in London, sunrise is at 6:04 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:26 pm PDT.
Sunshine
In London, the average sunshine in August is 12h.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In August, the average maximum UV index of 7 translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
How hot is it in London in August?
What are the least humid months in London?
What is the average humidity in August in London?
What is the driest month in London?
How much does it rain in London in August?
When it does not snow in London?
How many hours of daylight does London have in August?
When are sunrise and sunset in August in London?
How long on average sun shines in August in London?
What are the months with the highest UV index in London?
How high is the UV index in August in London?
Average temperature in August
London, CA
- Average high temperature in August: 99.7°F
The warmest month (with the highest average high temperature) is July (100.4°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is December (41.7°F).
Average pressure in August
London, CA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
London, CA
- Average wind speed in August: 5.1mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.1mph).
Average humidity in August
London, CA
- Average humidity in August: 30%
The month with the highest relative humidity is January (67%).
The months with the lowest relative humidity are July and August (30%).
Average rainfall in August
London, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is March (2.6").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in August
London, CA
- Average rainfall days in August: 0.9 days
The month with the highest number of rainy days is March (11 days).
The month with the least rainy days is August (0.9 days).
Average snowfall days in August
London, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
London, CA
- Average daylight in August: 13h and 3min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 12h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in August
London, CA
- Average sunshine days in August: 28.8 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (19.5 days).
Average UV index in August
London, CA
- Average UV index in August: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in August
London, CA
- Average cloud cover in August: 5
The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in August
London, 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).
London, California, USA
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