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
During the warmest month, August, temperatures average a high of 80.2°F (26.8°C) and a low of 50.2°F (10.1°C).Humidity
The least humid month is August, with an average relative humidity of 51%.Rainfall
The month with the least rainfall is August, when the rain falls for 6.8 days and typically collects 0.51" (13mm) of precipitation.Snowfall
In Usk, snow does not fall in July and August.Daylight
In August, the average length of the day is 14h and 16min.On the first day of the month, sunrise is at 5:25 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:06 am and sunset at 7:31 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 12h of sunshine.UV index
The average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in August, converts into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What are the temperatures in August?
What is the least humid month?
What is the average humidity in August in Usk?
What is the driest month?
How many days does it rain in August?
When it does not snow?
Does it snow in Usk in August?
How many hours of daylight does Usk have in August?
When are sunrise and sunset in August?
What month has the most sunshine?
How long on average sun shines in August in Usk?
How high is the UV index in August?
Average temperature in August
Usk, WA
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in August: 50.2°F
The month with the highest average low temperature is August (50.2°F).
The coldest months (with the lowest average low temperature) are February and December (18°F).
Average pressure in August
Usk, WA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Usk, WA
- Average wind speed in August: 3.9mph
The windiest month (with the highest average wind speed) is April (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.3mph).
Average humidity in August
Usk, WA
- Average humidity in August: 51%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (51%).
Average rainfall in August
Usk, WA
- Average rainfall in August: 0.51"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in August
Usk, WA
- Average rainfall days in August: 6.8 days
The month with the highest number of rainy days is April (17.2 days).
The months with the least rainy days are February and August (6.8 days).
Average snowfall in August
Usk, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (23.39").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Usk, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (21.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Usk, WA
- Average daylight in August: 14h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in August
Usk, WA
- Average sunshine days in August: 21.9 days
The month with the most sunshine days is August (21.9 days).
The months with the least sunshine days are February, March and April (7.8 days).
Average UV index in August
Usk, 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 February, November and December (UV index 1).
Average cloud cover in August
Usk, WA
- Average cloud cover in August: 14
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in August
Usk, WA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Usk, Washington, USA
Weather forecast for your location
2. Allow the app to use your location