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 commencement of July sees a minor shift in the average high-temperature, moving from an agreeable 69.4°F (20.8°C) in June to a warm 76.6°F (24.8°C). Chehalis's nighttime temperature in July demonstrates a noticeable plunge to a chilly 48.4°F (9.1°C).Humidity
With an average relative humidity of 73%, July is the least humid month.Rainfall
July is the month with the least rainfall. Rain falls for 6.5 days and accumulates 0.47" (12mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in July in Chehalis is 15h and 24min.On the first day of the month, sunrise is at 5:22 am and sunset at 9:09 pm. On the last day of July, sunrise is at 5:52 am and sunset at 8:44 pm PDT.
Sunshine
The average sunshine in July is 9.9h.UV index
With an average maximum UV index of 5, July is the month with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: An average UV index of 5 in July transforms into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in July?
What is the least humid month?
What is the average humidity in July?
What is the driest month?
How many days does it rain in July?
When it does not snow?
How many hours of daylight does Chehalis have in July?
When is the sunrise / sunset in July in Chehalis?
How long on average sun shines in July?
When is the highest UV index?
What is the UV index intensity in July?
Average temperature in July
Chehalis, WA
- Average high temperature in July: 76.6°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in July: 48.4°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in July
Chehalis, WA
- Average pressure in July: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed in July
Chehalis, WA
- Average wind speed in July: 3.9mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in July
Chehalis, WA
- Average humidity in July: 73%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in July
Chehalis, WA
- Average rainfall in July: 0.47"
The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in July
Chehalis, WA
- Average rainfall days in July: 6.5 days
The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in July
Chehalis, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Chehalis, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Chehalis, WA
- Average daylight in July: 15h and 2min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in July: 9h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in July
Chehalis, WA
- Average sunshine days in July: 20.8 days
The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in July
Chehalis, WA
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Chehalis, WA
- Average cloud cover in July: 39
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in July
Chehalis, WA
- Average visibility in July: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Chehalis, Washington, USA
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