December weather forecastEvaro, MT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Evaro, Montana, with an average temperature fluctuating between 27°F (-2.8°C) and 14.4°F (-9.8°C).Temperature
The lowest temperatures are recorded in December, with averages reaching a high of 27°F (-2.8°C) and a low of 14.4°F (-9.8°C).Humidity
In December, the average relative humidity is 89%.Rainfall
In Evaro, during December, the rain falls for 5.4 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, in Evaro, there are 92.3 rainfall days, and 14.37" (365mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In December, in Evaro, it is snowing for 19.3 days. Throughout December, 10.04" (255mm) of snow is accumulated. In Evaro, during the entire year, snow falls for 121.1 days and aggregates up to 68.31" (1735mm) of snow.Daylight
December has the shortest days of the year in Evaro, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 8:02 am and sunset at 4:48 pm. On the last day of December, sunrise is at 8:22 am and sunset at 4:57 pm MST.
Sunshine
In Evaro, Montana, the average sunshine in December is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Evaro, MT
- Average high temperature in December: 27°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (14.4°F).
Average pressure in December
Evaro, MT
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Evaro, MT
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Evaro, MT
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in December
Evaro, MT
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is April (1.61").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in December
Evaro, MT
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Evaro, MT
- Average snowfall in December: 10.04"
The month with the highest snowfall is February (11.77").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Evaro, MT
- Average snowfall days in December: 19.3 days
The month with the highest number of snowfall days is March (19.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Evaro, MT
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Evaro, MT
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is March (9.3 days).
Average UV index in December
Evaro, 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
Evaro, MT
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in December
Evaro, MT
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
