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
The dawn of August brings a marginal shift in the average high-temperature to a still agreeable 69.4°F (20.8°C), equivalent to July's readings. August witnesses an average nighttime temperature of 54.3°F (12.4°C).Humidity
In August, the average relative humidity is 76%.Rainfall
In Island Mountain, in August, during 1.8 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Island Mountain, during the entire year, the rain falls for 102.7 days and collects up to 28.78" (731mm) of precipitation.Snowfall
In Island Mountain, California, snow does not fall in January, March through December.Daylight
In Island Mountain, California, the average length of the day in August is 13h and 42min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:27 pm. On the last day of August, in Island Mountain, sunrise is at 6:41 am and sunset at 7:46 pm PDT.
Sunshine
July and August, with an average of 11.7h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during August morphs into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are August temperatures in Island Mountain?
What is the average humidity in August in Island Mountain?
How much does it rain in Island Mountain in August?
When it does not snow in Island Mountain?
What is the average length of the day in August in Island Mountain?
What time are sunrise and sunset in August in Island Mountain?
What is the month with the most sunshine in Island Mountain?
How many hours of sunshine does Island Mountain have in August?
What are the months with the highest UV index in Island Mountain?
What is the UV index reading in August in Island Mountain?
Average temperature in August
Island Mountain, CA
- Average high temperature in August: 69.4°F
The warmest month (with the highest average high temperature) is September (69.8°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in August: 54.3°F
The months with the highest average low temperature are July, August and September (54.3°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in August
Island Mountain, CA
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.95"Hg).
Average wind speed in August
Island Mountain, CA
- Average wind speed in August: 7.8mph
The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and August (7.8mph).
Average humidity in August
Island Mountain, CA
- Average humidity in August: 76%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (72%).
Average rainfall in August
Island Mountain, CA
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in August
Island Mountain, CA
- Average rainfall days in August: 1.8 days
The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is August (1.8 days).
Average snowfall days in August
Island Mountain, 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
Island Mountain, CA
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 11h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in August
Island Mountain, CA
- Average sunshine days in August: 28.2 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.1 days).
Average UV index in August
Island Mountain, CA
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in August
Island Mountain, CA
- Average cloud cover in August: 11
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in August
Island Mountain, 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).
Island Mountain, California, USA
Weather forecast for your location
2. Allow the app to use your location
