December weather forecastConkelley, MT
December
Weather in December
December, the first month of the winter in Conkelley, is also a subzero cold month, with an average temperature fluctuating between 13.8°F (-10.1°C) and 25.7°F (-3.5°C).Temperature
With its high average temperature of 25.7°F (-3.5°C) and a low of 13.8°F (-10.1°C), December is regarded as the coldest month.Humidity
The average relative humidity in December is 91%.Rainfall
In Conkelley, Montana, in December, it is raining for 8.9 days, with typically 1.02" (26mm) of accumulated precipitation. In Conkelley, during the entire year, the rain falls for 126.4 days and collects up to 11.22" (285mm) of precipitation.Snowfall
Months with snowfall in Conkelley are January through May, September through December. In December, in Conkelley, Montana, it is snowing for 19.1 days. Throughout December, 6.77" (172mm) of snow is accumulated. In Conkelley, during the entire year, snow falls for 97 days and aggregates up to 33.86" (860mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 8:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:51 pm MST.
Sunshine
In December, the average sunshine is 4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Conkelley, Montana. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Conkelley, MT
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in December: 13.8°F
The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in December
Conkelley, MT
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Conkelley, MT
- Average wind speed in December: 3.7mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).
Average humidity in December
Conkelley, MT
- Average humidity in December: 91%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Conkelley, MT
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in December
Conkelley, MT
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in December
Conkelley, MT
- Average snowfall in December: 6.77"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Conkelley, MT
- Average snowfall days in December: 19.1 days
The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Conkelley, MT
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Conkelley, MT
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in December
Conkelley, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Conkelley, MT
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Conkelley, MT
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
