July weather forecast
Longview, WA

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Weather in July

July is characterized by peak summer weather conditions in Longview, the warmest month of the year with high temperatures reaching a scorching 76.8°F (24.9°C). July also brings back memories of the radiant sun, clear skies, and longer days, making it a popular month for outdoor recreational activities. Despite the high temperatures, precipitation is significantly low, adding to the overall dryness of the month. With fewer clouds obscuring the sky, sunbathing becomes a common sight, especially around the beaches and parks. The wind is but a tame breeze, providing little respite from the scorching summer heat.

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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Frequently asked questions

What are July temperatures in Longview?

Longview in July has an average high-temperature of 76.8°F (24.9°C) and an average low-temperature of 48.9°F (9.4°C).

What is the least humid month in Longview?

July is the least humid month in Longview, with an average relative humidity of 72%.

What is the average humidity in July in Longview?

In July, the average relative humidity in Longview, Washington, is 72%.

How much does it rain in Longview in July?

In Longview, in July, it is raining for 6.1 days, with typically 0.43" (11mm) of accumulated precipitation.

When it does not snow in Longview?

In Longview, snow does not fall in April through October.

What is the ocean temperature in July in Longview?

In Longview, Washington, the average seawater temperature in July is 51.4°F (10.8°C). Swimming in 51.4°F (10.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in July in Longview?

In Longview, Washington, the average day length in July is 15h and 20min.

What time are sunrise and sunset in July in Longview?

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.

How many hours of sunshine does Longview have in July?

In July, the average sunshine duration in Longview, Washington, is 10.1h.

When is the highest UV index in Longview?

June and July, with an average maximum UV index of 5, are months with the highest UV index in Longview, Washington.

What is the UV index reading in July in Longview?

In July, the average daily maximum UV index in Longview is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJulyASOND
Jun
July
Aug
Average high temperature
69.4°F 20.8°C
76.8°F 24.9°C
77.9°F 25.5°C
Average low temperature
44.6°F 7°C
48.9°F 9.4°C
49.8°F 9.9°C
Average pressure
30.04" 763mmHg
30.05" 763mmHg
30.01" 762mmHg
Average wind speed
4.1mph 6.6km/h
4.3mph 6.9km/h
4mph 6.4km/h
Average max. wind speed
4.7mph 7.6km/h
5mph 8km/h
4.6mph 7.4km/h
Average wind speed gusts
6.2mph 10km/h
6.6mph 10.6km/h
6.3mph 10.1km/h
Average humidity
77%
72%
73%
Average rainfall
1.26" 32mm
0.43" 11mm
0.39" 10mm
Average rainfall days
12
6.1
6.3
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average sea temperature
48.5°F 9.2°C
51.5°F 10.8°C
53.6°F 12°C
Average daylight
15h 4min
15h 2min
14h 1min
Average sunshine
8h 3min
10h 1min
10h 2min
Average sunshine days
15.4
22
21.3
Average UV index
5
5
4
Average cloud cover
53%
38%
36%
Average visibility
4mi 6.4km
4mi 6.4km
5mi 8km

Average temperature in July
Longview, WA

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).

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Average pressure in July
Longview, WA

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).

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Average wind speed in July
Longview, WA

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).

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Average humidity in July
Longview, WA

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%).

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Average rainfall in July
Longview, WA

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").

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Average rainfall days in July
Longview, WA

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).

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Average snowfall in July
Longview, WA

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").

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Average snowfall days in July
Longview, WA

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).

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Average sea temperature in July
Longview, WA

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).

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Average daylight in July /
Average sunshine in July
Longview, WA

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).

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Average sunshine days in July
Longview, WA

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).

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Average UV index in July
Longview, WA

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).

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Average cloud cover in July
Longview, WA

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).

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Average visibility in July
Longview, WA

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).

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Longview, Washington, USA

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