July weather forecastDayton, WA
July
Weather in July
July is a warm summer month in Dayton, Washington, with an average temperature fluctuating between 58.6°F (14.8°C) and 83.5°F (28.6°C).Temperature
Dayton sees an increase in average high-temperatures during July, moving from an agreeable 72.1°F (22.3°C) in June to a moderately hot 83.5°F (28.6°C). A marked difference from the daytime temperatures, Dayton's nighttime temperature falls to an average low of 58.6°F (14.8°C) in July.Heat index
July's average heat index is appraised at 82.4°F (28°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In July, the average relative humidity in Dayton is 41%.Rainfall
July and August are months with the least rain when the rain falls for 5.3 days and typically aggregates up to 0.35" (9mm) of rain.Snowfall
In Dayton, snow does not fall in June through August and October.Daylight
In July, the average length of the day is 15h and 22min.On the first day of the month, sunrise is at 5:04 am and sunset at 8:47 pm. On the last day of July, sunrise is at 5:33 am and sunset at 8:23 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.UV index
The month with the highest UV index in Dayton is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in July converts into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Dayton, WA
- Average high temperature in July: 83.5°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 July: 58.6°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 July
Dayton, WA
- Average pressure in July: 29.92"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 July
Dayton, WA
- Average wind speed in July: 6.9mph
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 July
Dayton, WA
- Average humidity in July: 41%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall in July
Dayton, WA
- Average rainfall in July: 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 July
Dayton, WA
- Average rainfall days in July: 5.3 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 July
Dayton, WA
- Average snowfall in July: 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 July
Dayton, WA
- Average snowfall days in July: 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 July /
Average sunshine in July
Dayton, WA
- Average daylight in July: 15h and 24min
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 July: 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 July
Dayton, WA
- Average sunshine days in July: 24 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 July
Dayton, WA
- Average UV index in July: 7
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 July
Dayton, WA
- Average cloud cover in July: 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 July
Dayton, WA
- Average visibility in July: 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).
