The weather in July in Chehalis

It's warm in July in Chehalis with an average temperature of 27°C. Temperatures this month range from a low of 23°C to a high of 32°C. At night, you can expect temperatures between 11°C and 14°C.

Looking for great weather? July is a good time to be in Chehalis. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for Chehalis, Washington. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 37°C in 2015, Chehalis reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 18°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 18°C.

Rainfall amount

According to weather history, there is only 9,5 mm of precipitation in July. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in July for Chehalis

Click on any day in July to get detailed info about the usual weather on that day in Chehalis. Check out the historical temperatures and precipitation over the past 10 years on this day.

July weather comparison

  Chehalis New York
Average temperature 27°C 31°C
Max. temperature 32°C 33°C
Min. temperature 11°C -5°C
Total precipitation 9,5 mm 160 mm
Rainy days 2 days 18 days

Start of July

The month of July starts in Chehalis with warm temps, averaging around 25°C during the day and nights around 13°C.

Mid July

By mid-July, daytime temps rise to around 27°C, with nights around 13°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of July

By the end of July, the average daytime temperature in Chehalis is around 29°C, while nighttime temps are about 14°C. No precipitation expected at the end of the month; it’ll be mostly sunny.

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UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Chehalis for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in July in Chehalis, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in July in Chehalis

Temperature in July in Chehalis over the years

Precipitation charts

These charts show the average amount of precipitation in July in Chehalis, Washington. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in July in Chehalis

Total precipitation in July in Chehalis over the years

Daily UV index in July in Chehalis

This chart shows the average daily UV index in July in Chehalis, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in July in Chehalis

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Average weather in Chehalis by month

Click on a month below to see detailed weather info for Chehalis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.