July weather forecastPasco, WA

July
Weather in July
The sunny season reaches its apex in July, Pasco's warmest month, with temperatures soaring to an average high of 90°F (32.2°C). It's an ideal time to explore the city, basked in sunlight and vibrant energy. A dramatic drop in rainfall characterizes July, making it the driest month of the year, perfect for outdoor activities. The absence of rainfall intensifies the summer heat, making the city a hotspot for sun-seekers. With its combination of high pressured systems and scarce precipitation, Pasco displays its sunny summer character throughout July.Temperature
Temperature records mark July as the warmest month, with highs averaging 90°F (32.2°C) and lows at 62.6°F (17°C).Humidity
With an average relative humidity of 35%, July is the least humid month.Rainfall
July is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.2" (5mm) of precipitation.Snowfall
In Pasco, snow does not fall in April through October.Daylight
In July, the average length of the day is 15h and 21min.On the first day of the month, sunrise is at 5:09 am and sunset at 8:51 pm. On the last day of July, sunrise is at 5:38 am and sunset at 8:27 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 12.1h of sunshine.UV index
With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 7 in July translates into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Pasco, WA
- Average high temperature in July: 90°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (37.8°F).
- Average low temperature in July: 62.6°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).
Average pressure in July
Pasco, 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 (29.91"Hg).
Average wind speed in July
Pasco, WA
- Average wind speed in July: 6.5mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in July
Pasco, WA
- Average humidity in July: 35%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).
Average rainfall in July
Pasco, WA
- Average rainfall in July: 0.2"
The wettest month (with the highest rainfall) is January (0.94").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in July
Pasco, WA
- Average rainfall days in July: 3.8 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in July
Pasco, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Pasco, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Pasco, 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 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in July
Pasco, WA
- Average sunshine days in July: 25.3 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (14.7 days).
Average UV index in July
Pasco, 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
Pasco, WA
- Average cloud cover in July: 10
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in July
Pasco, 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).





