July weather forecastRochester, WA
July
Weather in July
July is a moderately hot summer month in Rochester, Washington, with an average temperature varying between 48.6°F (9.2°C) and 76.6°F (24.8°C).Temperature
As June transitions into July, Rochester notices a gentle rise in the average high-temperature, transitioning from an agreeable 69.8°F (21°C) to a moderately hot 76.6°F (24.8°C). Rochester's nights in July are distinguished by a pronounced temperature shift from the day, with an average low of 48.6°F (9.2°C).Humidity
With an average relative humidity of 73%, July is the least humid month.Rainfall
The month with the least rainfall is July, when the rain falls for 6.3 days and typically collects 0.35" (9mm) of precipitation.Snowfall
In Rochester, snow does not fall in April through October.Daylight
In Rochester, the average length of the day in July is 15h and 25min.On the first day of the month, sunrise is at 5:22 am and sunset at 9:10 pm. On the last day of July, sunrise is at 5:52 am and sunset at 8:45 pm PDT.
Sunshine
In July, the average sunshine is 9.9h.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 moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in July converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Rochester, WA
- Average high temperature in July: 76.6°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in July: 48.6°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in July
Rochester, WA
- Average pressure in July: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed in July
Rochester, WA
- Average wind speed in July: 4mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in July
Rochester, WA
- Average humidity in July: 73%
The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is July (73%).
Average rainfall in July
Rochester, WA
- Average rainfall in July: 0.35"
The wettest month (with the highest rainfall) is January (3.86").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in July
Rochester, WA
- Average rainfall days in July: 6.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in July
Rochester, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Rochester, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.7 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
Rochester, WA
- Average daylight in July: 15h and 24min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in July: 9h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in July
Rochester, WA
- Average sunshine days in July: 20.8 days
The month with the most sunshine days is August (20.9 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index in July
Rochester, WA
- Average UV index in July: 5
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Rochester, WA
- Average cloud cover in July: 38
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in July
Rochester, WA
- Average visibility in July: 5mi
The month with the highest visibility is July (5mi).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (4mi).
