August weather forecastForks, WA

August
Weather in August
August continues to carry the summer baton, revealing a slight increase in average low temperatures from 49.1°F (9.5°C) in July to 50.5°F (10.3°C). A light breeze whisks away any excess warmth, maintaining a delightful balance between the sun and the shade. The flux in temperature is complemented with a smaller rainfall, ensuring the dry conditions do not hinder summer enjoyment. Regardless of the faint surge in humidity, the weather in August creates an inviting atmosphere. In summary, the month of August extends warm summer days while introducing cooler nights.Temperature
August, with an average high of 68.2°F (20.1°C) and a low of 50.5°F (10.3°C), signifies the warmest month of the year in Forks.Humidity
In August, the average relative humidity is 81%.Rainfall
In August, the rain falls for 3 days. Throughout August, 0.2" (5mm) of precipitation is accumulated. In Forks, during the entire year, the rain falls for 109.2 days and collects up to 10.79" (274mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
In Forks, the average length of the day in August is 14h and 14min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:52 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:59 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 10.1h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during August translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Forks, WA
- Average high temperature in August: 68.2°F
The warmest month (with the highest average high temperature) is August (68.2°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in August: 50.5°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (37°F).
Average pressure in August
Forks, WA
- Average pressure in August: 30.04"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).
Average wind speed in August
Forks, WA
- Average wind speed in August: 4.5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in August
Forks, WA
- Average humidity in August: 81%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are May and July (80%).
Average rainfall in August
Forks, WA
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is January (2.36").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in August
Forks, WA
- Average rainfall days in August: 3 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is August (3 days).
Average snowfall in August
Forks, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Forks, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.2 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
Forks, WA
- Average daylight in August: 14h and 12min
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 30min).
- Average sunshine in August: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Forks, WA
- Average sunshine days in August: 24.9 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (12.2 days).
Average UV index in August
Forks, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Forks, WA
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Forks, WA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).





