December weather forecastNiarada, MT
December
Weather in December
December, the first month of the winter in Niarada, is also a subzero cold month, with an average temperature fluctuating between 27.1°F (-2.7°C) and 16.2°F (-8.8°C).Temperature
In Niarada, the month of December registers the lowest temperatures, averaging 27.1°F (-2.7°C) at the peak and 16.2°F (-8.8°C) at the lowest.Humidity
In December, the average relative humidity is 90%.Rainfall
In Niarada, during December, the rain falls for 6.5 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Niarada, during the entire year, the rain falls for 129.8 days and collects up to 16.42" (417mm) of precipitation.Snowfall
Months with snowfall in Niarada are January through June, September through December. The month with the most snowfall in Niarada is December, when snow falls for 21.7 days and typically aggregates up to 12.36" (314mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Niarada.On the first day of December, sunrise is at 8:07 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:56 pm MST.
Sunshine
In December, the average sunshine in Niarada, Montana, is 3.8h.UV index
The months with the lowest UV index in Niarada are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Niarada, MT
- Average high temperature in December: 27.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is July (48.4°F).
The coldest months (with the lowest average low temperature) are January and December (16.2°F).
Average pressure in December
Niarada, MT
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Niarada, MT
- Average wind speed in December: 3.6mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are August and December (3.6mph).
Average humidity in December
Niarada, MT
- Average humidity in December: 90%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (52%).
Average rainfall in December
Niarada, MT
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in December
Niarada, MT
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in December
Niarada, MT
- Average snowfall in December: 12.36"
The month with the highest snowfall is December (12.36").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Niarada, MT
- Average snowfall days in December: 21.7 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Niarada, MT
- Average daylight in December: 8h and 30min
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 30min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Niarada, MT
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in December
Niarada, 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
Niarada, MT
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Niarada, 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).





