Sunshine & Daylight Hours in Walla Walla, Washington, Usa

• Average sunshine hours in Walla Walla, Washington range between 1h 42' for each day in December & 13h 44' to each day in July.
• The longest day of the year is 15h 33' long and the shortest day is 8h 26' long.
• The longest day is 7h 07' longer than the shortest day.
• There is an average of 2740 hours of sunlight per year (of a possible 4383) with an average of 7:30 of sunlight per day.
• It is sunny 62.5% of daylight hours. The remaining 37.5% of daylight hours are likely cloudy or with shade, haze or low sun intensity.
• At midday the sun is on average 44.3° above the horizon at Walla Walla, Washington.
• The summer solstice is on June 21st (the northern solstice) when the sun reaches it's highest point 67.4° above the horizon.
• The winter solstice is on December 21st (the southern solstice) when the midday sun is at it's lowest point of 20.57° above the horizon.