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 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
Underwood's August weather, with an average high temperature of 78.4°F (25.8°C) and an average low temperature of 51.4°F (10.8°C), tends to be the warmest of the year.Humidity
In Underwood, the average relative humidity in August is 60%.Rainfall
In Underwood, during August, the rain falls for 4.2 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Underwood, during the entire year, the rain falls for 159.7 days and collects up to 31.42" (798mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August is 14h and 4min.On the first day of August, sunrise is at 5:50 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:45 pm PDT.
Sunshine
In August, the average sunshine is 11.6h.UV index
In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 in August translates into these instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
What is the usual temperature for Underwood in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Underwood have in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
What is the UV index reading in August?
Average temperature in August
Underwood, WA
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in August: 51.4°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in August
Underwood, WA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in August
Underwood, WA
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in August
Underwood, WA
- Average humidity in August: 60%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).
Average rainfall in August
Underwood, WA
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in August
Underwood, WA
- Average rainfall days in August: 4.2 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in August
Underwood, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Underwood, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Underwood, WA
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 11h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Underwood, WA
- Average sunshine days in August: 24.4 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in August
Underwood, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in August
Underwood, WA
- Average cloud cover in August: 17
The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in August
Underwood, WA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
Underwood, Washington, USA
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