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 sea temperature 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 shift into July brings a slight increase in the average high-temperature, moving from an agreeable 69.4°F (20.8°C) in June to a moderately hot 76.8°F (24.9°C). During July, Longview notes a substantial drop from the daytime peak to an average minimum temperature of 48.9°F (9.4°C).Humidity
The least humid month is July, with an average relative humidity of 72%.Rainfall
In Longview, in July, during 6.1 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Longview, during the entire year, the rain falls for 175.5 days and collects up to 25.83" (656mm) of precipitation.Snowfall
April through October are months without snowfall in Longview.Ocean temperature
In Longview, Washington, in July, the average water temperature is 51.4°F (10.8°C).Note: In 51.4°F (10.8°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).
Daylight
In July, the average length of the day in Longview is 15h and 20min.On the first day of July in Longview, sunrise is at 5:24 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:42 pm PDT.
Sunshine
In Longview, the average sunshine in July is 10.1h.UV index
June and July, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 in July translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are July temperatures in Longview?
What is the least humid month in Longview?
What is the average humidity in July in Longview?
How much does it rain in Longview in July?
When it does not snow in Longview?
What is the ocean temperature in July in Longview?
What is the average length of the day in July in Longview?
What time are sunrise and sunset in July in Longview?
How many hours of sunshine does Longview have in July?
When is the highest UV index in Longview?
What is the UV index reading in July in Longview?
Average temperature in July
Longview, WA
- Average high temperature in July: 76.8°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in July: 48.9°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 (32.7°F).
Average pressure in July
Longview, WA
- Average pressure in July: 30.05"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in July
Longview, WA
- Average wind speed in July: 4.3mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in July
Longview, WA
- Average humidity in July: 72%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall in July
Longview, WA
- Average rainfall in July: 0.43"
The wettest month (with the highest rainfall) is January (3.9").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in July
Longview, WA
- Average rainfall days in July: 6.1 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is July (6.1 days).
Average snowfall in July
Longview, WA
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Longview, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in July
Longview, WA
- Average sea temperature in July: 51.5°F
The best month for swimming (with the highest average sea temperature) is September (53.8°F).
The coldest month (with the lowest average sea temperature) is February (46.6°F).
Average daylight in July /
Average sunshine in July
Longview, WA
- Average daylight in July: 15h and 2min
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: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 30min).
Average sunshine days in July
Longview, WA
- Average sunshine days in July: 22 days
The month with the most sunshine days is July (22 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in July
Longview, WA
- Average UV index in July: 5
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in July
Longview, WA
- Average cloud cover in July: 38
The months with the most cloud cover are February and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in July
Longview, WA
- Average visibility in July: 4mi
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).
Longview, Washington, USA
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