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United StatesThe climate of Kennewick
The current climate in Kennewick features temperatures ranging from a high of 35°C to a low of 5°C throughout the year. The average yearly temperature is around 20°C. At night, temperatures in the colder months average around -3°C and in the warmer months around 16°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Kennewick, Washington.
Temperature records
The highest temperature recorded in Kennewick in recent years was 46°C in June 2021. The lowest daytime temperature recorded was -14°C in January 2017.
Precipitation and snowfall
On average, Kennewick gets 335 mm of precipitation each year. Of this, about 58 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Kennewick?
The best time to visit Kennewick for sunny weather is April through October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Kennewick. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Kennewick
The climate table of Kennewick shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 5 | 8 | 14 | 20 | 26 | 30 | 35 | 34 | 27 | 19 | 10 | 5 |
| Temp. min (°C) | -1 | -2 | 1 | 6 | 10 | 14 | 16 | 16 | 11 | 6 | 1 | -1 |
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| Precipitation (mm) | 45 | 34 | 34 | 37 | 37 | 14 | 3,6 | 3,3 | 11 | 39 | 34 | 43 |
| Snow (cm) | 16 | 19 | 0,6 | 0,3 | 0 | 0 | 0 | 0 | 0 | 0 | 0,6 | 21 |
| UV Index | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 8 | 6 | 4 | 2 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Kennewick, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Kennewick
Yearly Temperature in Kennewick
Precipitation charts
These charts show the average amount of precipitation in Kennewick, 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.
Average Precipitation per Month in Kennewick
Total Yearly Precipitation in Kennewick
Average Snowfall per Month in Kennewick
Total Yearly Snowfall in Kennewick
UV index chart
This chart shows the average UV index per month in Kennewick, Washington. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Kennewick
Weather experiences in Kennewick
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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.