Weather in April in Walla Walla, Washington

< April >
	Normal Max/ High Temperature	18°C (64°F)
	Average Temperature	13°C (55°F)
	Min/ Low Temperature	7°C (45°F)
	Normal Precipitation	36mm (1.4in)
	Number of Wet Days (probability of rain on a day)	9 (30%)
	Average Sunlight per day	08h 25'
	Average Daylight per day	13h 30'
	Sunny (Cloudy) Daylight Hours	63% (37%)
	Sun altitude at solar noon on the 21st day.	56°

The average temperature in Walla Walla, Washington in April is quite mild at 12.5 °C (54.5 °F).
Afternoons can be somewhat warm with average high temperatures reaching 18 °C (64.4 °F).
Overnight temperatures are generally a little cool with an average low of 7 °C (44.6 °F).
The range/ variation of diurnal mean temperatures in April is 11 °C (19.8 °F).
Precipitation averages for April are low with 36mm (1.4 in) recorded across 9 days.
The skies in Walla Walla, Washington are moderately sunny having on balance a respectable 8h 25' of splendid sunlight per day.
The shortest day is 12h 43' long and the longest day is 14h 15' long with an average length of 13h 30'.
There are approximately 4h 54' per day when the sun is occluded by cloud, haze, fog etc.
It is sunny approximately 63.2% of daylight hours and cloudy 36.8% of daylight hours.

Weather Trend Graph for April in Walla Walla, Washington, Usa

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