Walla Walla, WA weather and climate in 2024
Day
22 °C
Night
8 °C
Sea
0 °C
Precipitation
46 mm
in month
Rainy days
8 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
53 %
Day
22 °C
Night
8 °C
Sea
0 °C
Precipitation
46 mm
in month
Rainy days
8 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
53 %
Overview: Walla Walla, WA
Weather charts for Walla Walla, WA
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Weather overview for Walla Walla, WA
Weather overview
Walla Walla, WA (United States of America) in general has a mild continental climate. Temperatures during the day are in the range from 5 °C (40 °F) in December to 32 °C (89 °F) in July. The driest month is July with just 3 days of rain, on the contrary, the month when it rains the most is December with 12 days of rain. Temperatures during the night go from -2 °C (28 °F) in December to 14 °C (58 °F) in July.
January weather
The beginning of the rise of the day temperature could be noticed, with its value of 5 °C (42 °F) in Walla Walla, WA, and the beginning of the rise of the night temperature could be noticed as well, its value is -1 °C (29 °F). The number of rainy days descent's start could be observed in this month. The beginning of the rise of the number of sun hours (without clouds) could be noticed, its value is 2 hours.
February weather
The day temperature rises similarly to the previous month, the value of this measure is 9 °C (47 °F) in Walla Walla, WA, and the night temperature continues to rise as well, its value is 0 °C (31 °F). The rainfall amount starts to descent, with its value being 40 mm (1.56 in), while the number of rainy days descents similarly to the previous month, the value of this measure is 10 days. The rise of the number of sun hours (without clouds) can be observed, the value of this measure is 3 hours.
March weather
The day temperature rises similarly to the previous month in Walla Walla, WA, and the rise of the night temperature can be observed as well, its value is 2 °C (36 °F). The rainfall amount rise's start could be observed, its value is 52 mm (2.03 in), and the number of rainy days starts to rise as well. The number of sun hours (without clouds) continues to rise, the value of this measure is 6 hours.
April weather
The day temperature continues to rise in Walla Walla, WA, and the rise of the night temperature can be observed as well, with its value being 5 °C (41 °F). The number of rainy days descent's start could be observed, its value is 9 days, and the beginning of the descent of the rainfall amount could be noticed too, with its value of 41 mm (1.63 in). The wind speed reaches its maximum, with its value being 3. The rise of the number of sun hours (without clouds) can be observed, with its value of 7 hours.
May weather
The number of rainy days descents similarly to the previous month, with its value of 8 days in Walla Walla, WA. The day temperature continues to rise, with its value of 22 °C (72 °F), and the rise of the night temperature can be observed as well, its value is 8 °C (47 °F). The number of sun hours (without clouds) continues to rise.
June weather
The tourist season slowly starts in Walla Walla, WA. The number of rainy days continues to descent, while the rainfall amount descent's start could be observed in June. The day temperature rises similarly to the previous month, with its value of 27 °C (80 °F), and the rise of the night temperature can be observed as well. The rise of the number of sun hours (without clouds) can be observed.
July weather
The ongoing tourist season is noticeable in Walla Walla, WA. The number of rainy days is on its minimum, the value of this measure is 3 days, and the rainfall amount reaches its minimum as well. The maximum of the day temperature can be noticed, its value is 32 °C (89 °F), and the maximum of the night temperature is observable as well, with its value of 14 °C (58 °F). The maximum of the number of sun hours (without clouds) is observable, its value is 12 hours.
August weather
The tourist season continues in Walla Walla, WA, and the ongoing dry season is noticeable too. The number of sun hours (without clouds) starts to descent. The beginning of the descent of the night temperature could be noticed in August.
September weather
The day temperature descent's start could be observed in Walla Walla, WA, while the night temperature descents similarly to the previous month. The tourist season is close to its peak, and the dry season is close to its peak as well. The number of rainy days starts to rise in September. The number of sun hours (without clouds) continues to descent, its value is 9 hours.
October weather
The descent of the day temperature can be observed, its value is 18 °C (65 °F) in Walla Walla, WA, and the night temperature descents similarly to the previous month too, the value of this measure is 5 °C (40 °F). The number of rainy days rises similarly to the previous month, its value is 7 days, while the rainfall amount rise's start could be observed in October. The number of sun hours (without clouds) continues to descent, with its value of 6 hours.
November weather
The number of rainy days rises similarly to the previous month, its value is 12 days in Walla Walla, WA, while the rainfall amount is on its maximum, its value is 57 mm (2.26 in). The descent of the day temperature can be observed, the value of this measure is 10 °C (50 °F), and the descent of the night temperature can be observed as well, with its value of 1 °C (34 °F). The number of sun hours (without clouds) descents similarly to the previous month, its value is 2 hours.
December weather
The day temperature is on its minimum, with its value being 5 °C (40 °F) in Walla Walla, WA, and the minimum of the night temperature can be noticed as well in December. The rainfall amount descent's start could be observed, while the maximum of the number of rainy days can be noticed in December. The number of sun hours (without clouds) reaches its minimum in December. The maximum of the humidity can be noticed, its value is 80 %.
FAQs
Is there a dry season in March in Walla Walla, WA?
No, March is not a dry month in Walla Walla, WA, expect rain approximately 11 days in a month.
How many hours of sun to expect in April in Walla Walla, WA?
In April in Walla Walla, WA, you can expect around 7 hours of sunshine. This value is 2 hours higher than last month. This is 31 % increase of this indicator.
What is the night temperature in May in Walla Walla, WA?
The average night temperature in Walla Walla, WA in May is 8 °C (47 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating. This value is 4 °C (38 °F) higher than last month.
What is the average number of rainy days in Walla Walla, WA in June?
There are 6 days, which are rainy in Walla Walla, WA in June, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.5 days of the week, or in general - 22 % days. The value is lower by 2 days than in the previous month. This means 21 % value difference.
Is July a good month to visit Walla Walla, WA?
In July in Walla Walla, WA, there are ideal conditions for a vacation. The temperature during the day will be nice 32 °C (89 °F). You can expect just 3 days of rain during the month, taking an umbrella is not necessary. The temperature of 14 °C (58 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
Is it hot in Walla Walla, WA in August?
In Walla Walla, WA in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What temperature can I expect during the day in Walla Walla, WA in September?
The average daily temperature in September in Walla Walla, WA is 26 °C (79 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
Is there a wet season in Walla Walla, WA in October?
No, there is no wet season in October in Walla Walla, WA - you can expect 7 days of rain during the month.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.