United StatesThe weather in April in Walla Walla
It's cool to moderate in April in Walla Walla with an average temperature of 17°C. Temperatures this month range from a low of 14°C to a high of 20°C. At night, you can expect temperatures between 4°C and 9°C.
Looking for sun and warm weather? April isn’t a good month to be in Walla Walla. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Walla Walla, 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 28°C in 2016, Walla Walla reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 2°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 15°C.
Precipitation and snowfall
In April, there is an average of 63 mm of precipitation, spread over 10 days. Of the total precipitation, about 2,1 cm falls as snow in April. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in April for Walla Walla
Click on any day in April to get detailed info about the usual weather on that day in Walla Walla. Check out the historical temperatures and precipitation over the past 10 years on this day.
April weather comparison
| Walla Walla | New York | |
|---|---|---|
| Average temperature | 17°C | 17°C |
| Max. temperature | 20°C | 22°C |
| Min. temperature | 4°C | -5°C |
| Total precipitation | 63 mm | 81 mm |
| Rainy days | 10 days | 11 days |
| Total snowfall | 2,1 cm | 0,4 cm |
| Snowy days | 1 day | 1 day |
Start of April
The month of April starts in Walla Walla with cool temps, averaging around 16°C during the day and nights around 6°C.
Mid April
By mid-April, daytime temps rise to around 17°C, with nights around 6°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of April
By the end of April, the average daytime temperature in Walla Walla is around 20°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Walla Walla for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in April in Walla Walla, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in April in Walla Walla
Temperature in April in Walla Walla over the years
Precipitation charts
These charts show the average amount of precipitation in April in Walla Walla, 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 April in Walla Walla
Total precipitation in April in Walla Walla over the years
Daily Snowfall in April in Walla Walla
Snowfall in April in Walla Walla per year
Daily UV index in April in Walla Walla
This chart shows the average daily UV index in April in Walla Walla, 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 April in Walla Walla
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Average weather in Walla Walla by month
Click on a month below to see detailed weather info for Walla Walla. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.