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Weather in December in Grand Junction, Colorado

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< December >
 
Normal Max/ High Temperature 4°C (39°F)
 
Average Temperature -2°C (29°F)
 
Min/ Low Temperature -7°C (19°F)
 
Normal Precipitation 16mm (0.6in)
Number of Wet Days (probability of rain on a day) 6 (19%)
Average Sunlight per day 06:09
Average Daylight per day 09:27
Sunny (Cloudy) Daylight Hours 66% (34%)
Sun altitude at solar noon on the 21st day.
27.5°


  • The average temperature in Grand Junction, Colorado in December is slightly cold at -1.8 °C (28.76 °F).
  • Afternoons can be cool with average high temperatures reaching 3.7 °C (38.7 °F).
  • Overnight temperatures are generally cold with an average low of -7.4 °C (18.7 °F).
  • The variation/ range of daily average temperatures in December is 11.1 °C (20 °F).
  • The weather in December is droughty with periodic snow. A paltry 15.5mm (0.6in) of liquid falls across on average 6 days.
  • In December the blue above Grand Junction, Colorado is reasonably fine with an average of a moderate 6:09 of beaming solar radiation per day.
  • The shortest day is 9:24 long and the longest day is 9:35 long with an average length of 9:27.
  • There are approximately 3:08 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 66.3% of daylight hours and cloudy 33.7% of daylight hours.

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Weather Trend Graph for December in Grand Junction, Colorado, Usa

Graph of weather in Grand Junction, Colorado in December

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