Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The start of July is characterized by a subtle increase in the average high-temperature, transitioning from a pleasant 71.2°F (21.8°C) in June to a moderately hot 79.9°F (26.6°C). Tri-City registers a prominent dip from daytime highs, with an average of 47.1°F (8.4°C) during the nights of July.Humidity
The average relative humidity in July is 70%.Rainfall
July and August are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 0.16" (4mm) of rain.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in July is 14h and 59min.On the first day of the month, sunrise is at 5:38 am and sunset at 8:56 pm. On the last day of July, sunrise is at 6:04 am and sunset at 8:35 pm PDT.
Sunshine
The average sunshine in July is 11.2h.UV index
With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during July translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in July?
What is the average humidity in July?
What is the driest month?
How many days does it rain in July in Tri-City?
When it does not snow?
How many hours of daylight does Tri-City have in July?
What time are sunrise and sunset in July?
How many hours of sunshine does Tri-City have in July?
When is the highest UV index?
What is the UV index reading in July?
Average temperature in July
Tri-City, OR
- Average high temperature in July: 79.9°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).
- Average low temperature in July: 47.1°F
The month with the highest average low temperature is August (47.7°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure in July
Tri-City, OR
- Average pressure in July: 30.02"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in July
Tri-City, OR
- Average wind speed in July: 3.7mph
The windiest month (with the highest average wind speed) is January (4.1mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in July
Tri-City, OR
- Average humidity in July: 70%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in July
Tri-City, OR
- Average rainfall in July: 0.16"
The wettest months (with the highest rainfall) are January, February and December (1.1").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days in July
Tri-City, OR
- Average rainfall days in July: 3.8 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (2.4 days).
Average snowfall in July
Tri-City, OR
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Tri-City, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.5 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
Tri-City, OR
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in July: 11h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in July
Tri-City, OR
- Average sunshine days in July: 25.8 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is March (16.1 days).
Average UV index in July
Tri-City, OR
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Tri-City, OR
- Average cloud cover in July: 27
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in July
Tri-City, OR
- Average visibility in July: 5mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
Tri-City, Oregon, USA
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