July weather forecastStevenson, WA
July
Weather in July
July is a moderately hot summer month in Stevenson, Washington, with an average temperature varying between 75.9°F (24.4°C) and 48°F (8.9°C).Temperature
July brings a rise in Stevenson's average high-temperature, moving from a comfortable 66.7°F (19.3°C) in June to a moderately hot 75.9°F (24.4°C). Stevenson reports a significant contrast between daytime and nighttime temperatures, with an average low of 48°F (8.9°C) in July.Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 66%.Rainfall
July is the month with the least rainfall. Rain falls for 5.2 days and accumulates 0.31" (8mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Stevenson, the average length of the day in July is 15h and 17min.On the first day of July, sunrise is at 5:22 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:37 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 11.1h of sunshine.UV index
June and July, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during July translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Stevenson, WA
- Average high temperature in July: 75.9°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in July: 48°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).
Average pressure in July
Stevenson, WA
- Average pressure in July: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in July
Stevenson, WA
- Average wind speed in July: 4.7mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in July
Stevenson, WA
- Average humidity in July: 66%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in July
Stevenson, WA
- Average rainfall in July: 0.31"
The wettest month (with the highest rainfall) is January (7.48").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in July
Stevenson, WA
- Average rainfall days in July: 5.2 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is August (5 days).
Average snowfall in July
Stevenson, WA
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Stevenson, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Stevenson, WA
- Average daylight in July: 15h and 18min
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 48min).
- Average sunshine in July: 11h and 6min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in July
Stevenson, WA
- Average sunshine days in July: 23.4 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in July
Stevenson, WA
- Average UV index in July: 5
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in July
Stevenson, WA
- Average cloud cover in July: 24
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in July
Stevenson, WA
- Average visibility in July: 6mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).





