July weather forecastUmatilla, OR
July
Weather in July
July is a tropical summer month in Umatilla, Oregon, with an average temperature varying between 62.8°F (17.1°C) and 89.1°F (31.7°C).Temperature
In Umatilla, July is identified by the highest average temperatures, reaching a peak of 89.1°F (31.7°C) and a low of 62.8°F (17.1°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 36%.Rainfall
The month with the least rainfall is July, when the rain falls for 3.8 days and typically collects 0.16" (4mm) of precipitation.Snowfall
In Umatilla, snow does not fall in April through August and October.Daylight
In July, the average length of the day is 15h and 19min.On the first day of July, sunrise is at 5:11 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:27 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 is July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 7 during July translates into the following guidance:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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
Umatilla, OR
- Average high temperature in July: 89.1°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.7°F).
- Average low temperature in July: 62.8°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in July
Umatilla, OR
- Average pressure in July: 29.93"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
Umatilla, OR
- Average wind speed in July: 7.7mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (6.2mph).
Average humidity in July
Umatilla, OR
- Average humidity in July: 36%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in July
Umatilla, OR
- Average rainfall in July: 0.16"
The wettest month (with the highest rainfall) is March (1.02").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in July
Umatilla, OR
- Average rainfall days in July: 3.8 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in July
Umatilla, OR
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in July
Umatilla, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (3.2 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
Umatilla, OR
- 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 months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in July
Umatilla, OR
- 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 days).
Average UV index in July
Umatilla, OR
- 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
Umatilla, OR
- Average cloud cover in July: 9
The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in July
Umatilla, OR
- 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).





