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Weather in December in Helena, Mt

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< December >
 
Normal Max/ High Temperature 0°C (31°F)
 
Average Temperature -6°C (21°F)
 
Min/ Low Temperature -12°C (11°F)
 
Normal Precipitation 15mm (0.6in)
Average Daylight per day 08:37
Sun altitude at solar noon on the 21st day.
20°


  • The average temperature in Helena, Mt in December is cold at -6 °C (21.2 °F).
  • Afternoons can be slightly cold with average high temperatures reaching -0.4 °C (31.3 °F).
  • Overnight temperatures are generally very cold with an average low of -11.6 °C (11.1 °F).
  • The average daily temperature range/ variation in December is 11.2 °C (20.2 °F).
  • The weather in December is droughty. A paltry 15mm (0.6in) of water is discharged.
  • The shortest day is 8:33 long and the longest day is 8:48 long with an average length of 8:37.

Check the distance to and compare the Helena, Mt December averages with somewhere beginning with:

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Weather Trend Graph for December in Helena, Mt, Usa

Graph of weather in Helena, Mt in December

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