August weather forecastDayton, WA
August
Weather in August
August, the last month of the summer in Dayton, is also a moderately hot month, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 60.3°F (15.7°C).Temperature
August proves to be the warmest month, recording an average peak temperature of 83.7°F (28.7°C) and a minimum temperature of 60.3°F (15.7°C).Humidity
The least humid month is August, with an average relative humidity of 39%.Rainfall
July and August are months with the least rain when the rain falls for 5.9 days and typically aggregates up to 0.35" (9mm) of rain.Snowfall
June through August and October are months without snowfall.Daylight
In Dayton, the average length of the day in August is 14h and 7min.On the first day of the month, sunrise is at 5:34 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:12 am and sunset at 7:31 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in August translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dayton, WA
- Average high temperature in August: 83.7°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in August
Dayton, WA
- Average pressure in August: 29.9"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in August
Dayton, WA
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in August
Dayton, WA
- Average humidity in August: 39%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall in August
Dayton, WA
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is December (2.05").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in August
Dayton, WA
- Average rainfall days in August: 5.9 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is July (5.3 days).
Average snowfall in August
Dayton, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in August
Dayton, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Dayton, WA
- Average daylight in August: 14h and 6min
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: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in August
Dayton, WA
- Average sunshine days in August: 21.8 days
The month with the most sunshine days is July (24 days).
The month with the least sunshine days is February (10 days).
Average UV index in August
Dayton, WA
- Average UV index in August: 5
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 2).
Average cloud cover in August
Dayton, WA
- Average cloud cover in August: 11
The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in August
Dayton, WA
- 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).
