August weather forecastLake Arrowhead, CA
August
Weather in August
August, the last month of the summer in Lake Arrowhead, is also a hot month, with an average temperature fluctuating between 88.3°F (31.3°C) and 66.4°F (19.1°C).Temperature
Lake Arrowhead's warmest period falls in July and August, when the average high-temperatures ascend to 88.3°F (31.3°C).Humidity
With an average relative humidity of 32%, August is the least humid month in Lake Arrowhead.Rainfall
In Lake Arrowhead, in August, it is raining for 2 days, with typically 0.12" (3mm) of accumulated precipitation. In Lake Arrowhead, California, during the entire year, the rain falls for 42.2 days and collects up to 5.55" (141mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in August is 13h and 23min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:49 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:15 pm PDT.
Sunshine
In August, the average sunshine is 12h.UV index
In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 6 in August leads to these recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Lake Arrowhead, CA
- Average high temperature in August: 88.3°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in August: 66.4°F
The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in August
Lake Arrowhead, CA
- Average pressure in August: 29.85"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in August
Lake Arrowhead, CA
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in August
Lake Arrowhead, CA
- Average humidity in August: 32%
The months with the highest relative humidity are February and December (52%).
The month with the lowest relative humidity is August (32%).
Average rainfall in August
Lake Arrowhead, CA
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is February (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Lake Arrowhead, CA
- Average rainfall days in August: 2 days
The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in August
Lake Arrowhead, CA
- Average snowfall in August: 0"
The month with the highest snowfall is April (4.09").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Lake Arrowhead, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Lake Arrowhead, 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: 9h and 54min).
- 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 54min).
Average sunshine days in August
Lake Arrowhead, CA
- Average sunshine days in August: 26.4 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in August
Lake Arrowhead, CA
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Lake Arrowhead, CA
- Average cloud cover in August: 5
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in August
Lake Arrowhead, 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).
