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Average weather for Kennewick in August

It's hot in August in Kennewick with an average temperature of 34°C. Temperatures this month range from a low of 30°C to a high of 37°C. At night, you can expect temperatures between 13°C and 19°C.

Daily Temperature in August in Kennewick

Start of August

The month of August starts in Kennewick with hot temps, averaging around 35°C during the day and nights around 17°C. No precipitation expected at the start of the month; it’ll be sunny.

With the temperature difference between day and night, it’s smart to wear layers.

Mid August

By mid-August, daytime temps stay steady at around 35°C, with nights around 17°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

Since it cools down at night, it’s a good idea to wear layers.

End of August

By the end of August, the average daytime temperature in Kennewick is around 32°C, while nighttime temps are about 14°C. No precipitation expected at the end of the month; it’ll be mostly sunny.

Because temperatures drop in the evening, wearing layers is recommended.

According to weather history, there is only 3,3 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the Southwest.

Kennewick in August

New York
Temperature Average temperature
34°C 30°C
Sun Max. temperature
37°C 31°C
Sun Min. temperature
30°C -5°C
Rain Total precipitation
3,3 mm 79 mm
Rain Rainy days
1 day 13 days

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is August a good time to visit Kennewick?

August is a good month to be in Kennewick for sunny weather. You’ll have high temperatures and not too much rain.

Temperature records

With 42°C in 2023, Kennewick reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 22°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 26°C.

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

Daily Temperature in August in Kennewick

This chart shows the average daily high and low temperatures in August for Kennewick, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in August in Kennewick

Daily Precipitation in August in Kennewick

The chart below shows the average daily precipitation in August for Kennewick, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 1 day of precipitation in Kennewick.

Daily Precipitation in August in Kennewick

Daily UV index in August in Kennewick

This chart shows the average daily UV index in August in Kennewick, 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.

Daily UV Index in August in Kennewick

Temperature in August in Kennewick over the years

This chart shows the average temperature in August in Kennewick, measured in degrees Celsius, over the past few years.

Temperature in August in Kennewick Over the Years

Total precipitation in August in Kennewick over the years

This chart shows the average precipitation in August in Kennewick, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in August in Kennewick over the years

Daily weather in August for Kennewick

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

Weather experiences in August in Kennewick

Have you been to Kennewick in August?

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Average weather in Kennewick by month

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


Or check out the climate of Kennewick for all months at once

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