July weather forecastProsser, WA
July
Weather in July
July is a tropical summer month in Prosser, Washington, with an average temperature ranging between min 62.2°F (16.8°C) and max 88.3°F (31.3°C).Temperature
July brings the highest temperatures, with an average high of 88.3°F (31.3°C) and an average low of 62.2°F (16.8°C).Humidity
July and August, with an average relative humidity of 37%, are the least humid months.Rainfall
July is the month with the least rainfall. Rain falls for 3.6 days and accumulates 0.2" (5mm) of precipitation.Snowfall
In Prosser, Washington, snow does not fall in April through August and October.Daylight
In July, the average length of the day is 15h and 21min.On the first day of July in Prosser, sunrise is at 5:11 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:30 pm PDT.
Sunshine
The months with the most sunshine in Prosser are July and August, with an average of 12h of sunshine.UV index
July is the month with the highest UV index in Prosser, Washington, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 during July translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Prosser, WA
- Average high temperature in July: 88.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in July: 62.2°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in July
Prosser, WA
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in July
Prosser, WA
- Average wind speed in July: 6.7mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).
Average humidity in July
Prosser, WA
- Average humidity in July: 37%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (37%).
Average rainfall in July
Prosser, WA
- Average rainfall in July: 0.2"
The wettest months (with the highest rainfall) are January and December (0.94").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in July
Prosser, WA
- Average rainfall days in July: 3.6 days
The month with the highest number of rainy days is March (11.8 days).
The month with the least rainy days is July (3.6 days).
Average snowfall in July
Prosser, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in July
Prosser, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (4.6 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in July /
Average sunshine in July
Prosser, 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 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 12min).
Average sunshine days in July
Prosser, WA
- Average sunshine days in July: 25.8 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in July
Prosser, 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
Prosser, WA
- Average cloud cover in July: 9
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in July
Prosser, 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).
