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Weather in December in Walla Walla, Washington

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< December >
 
Normal Max/ High Temperature 7°C (45°F)
 
Average Temperature 4°C (38°F)
 
Min/ Low Temperature 0°C (32°F)
 
Normal Precipitation 48mm (1.9in)
Number of Wet Days (probability of rain on a day) 14 (45%)
Average Sunlight per day 01:42
Average Daylight per day 08:41
Sunny (Cloudy) Daylight Hours 20% (80%)
Sun altitude at solar noon on the 21st day.
20.6°


  • The average temperature in Walla Walla, Washington in December is cool at 3.5 °C (38.3 °F).
  • Afternoons can be a little cool with average high temperatures reaching 7 °C (44.6 °F).
  • Overnight temperatures are generally slightly cold with an average low of 0 °C (32 °F).
  • In December there is a variation/ range of mean diurnal temperatures of 7 °C (12.6 °F).
  • The weather in December is a little parched with sleet, rain or snow every now and then. A mere 48mm (1.9in) of fluid is discharged across on average 14 days.
  • The heavens above Walla Walla, Washington are really dreary with on balance just 1:42 of dazzling sunshine per day.
  • The shortest day is 8:37 long and the longest day is 8:53 long with an average length of 8:41.
  • There are approximately 6:47 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
  • It is sunny approximately 20.1% of daylight hours and cloudy 79.9% of daylight hours.

Check the distance to and compare the Walla Walla, Washington December averages with somewhere beginning with:

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

Graph of weather in Walla Walla, Washington in December

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