Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Observing a mild shift, the average high-temperature during December reduces from November's icy 40.1°F (4.5°C) to a subzero cold 26.6°F (-3°C). In Ekalaka, in December, the average low-temperature is 14.9°F (-9.5°C).Humidity
In Ekalaka, the average relative humidity in December is 82%.Rainfall
January and December are months with the least rain when the rain falls for 3.5 days and typically aggregates up to 0.55" (14mm) of rain.Snowfall
January through May, September through December are months with snowfall. In Ekalaka, during December, snow falls for 11.3 days and regularly aggregates up to 3.35" (85mm) of snow. Throughout the year, there are 62.4 snowfall days, and 21.97" (558mm) of snow is accumulated.Daylight
December has the shortest days of the year in Ekalaka, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:15 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:23 pm MST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 1 in December translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Ekalaka, MT
- Average high temperature in December: 26.6°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in December
Ekalaka, MT
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Ekalaka, MT
- Average wind speed in December: 11.4mph
The windiest months (with the highest average wind speed) are April and October (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (10.1mph).
Average humidity in December
Ekalaka, MT
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (46%).
Average rainfall in December
Ekalaka, MT
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is May (2.6").
The driest months (with the least rainfall) are January and December (0.55").
Average rainfall days in December
Ekalaka, MT
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in December
Ekalaka, MT
- Average snowfall in December: 3.35"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Ekalaka, MT
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is February (12 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Ekalaka, MT
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Ekalaka, MT
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in December
Ekalaka, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Ekalaka, MT
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in December
Ekalaka, MT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Ekalaka, Montana, USA
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