December weather forecastLolo, MT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Lolo, Montana, with an average temperature ranging between min 16.2°F (-8.8°C) and max 28.6°F (-1.9°C).Temperature
The coldest period is December, when temperatures fluctuate between an average high of 28.6°F (-1.9°C) and a low of 16.2°F (-8.8°C).Humidity
In December, the average relative humidity in Lolo is 88%.Rainfall
In Lolo, in December, it is raining for 7.4 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 91 rainfall days, and 3.9" (99mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Lolo. In Lolo, Montana, in December, snow falls for 9.5 days, with typically accumulated 1.26" (32mm) of snow. In Lolo, Montana, during the entire year, snow falls for 50.6 days and aggregates up to 9.21" (234mm) of snow.Daylight
The month with the shortest days in Lolo is December, with an average of 8h and 36min of daylight.On the first day of December in Lolo, sunrise is at 8:01 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 4:58 pm MST.
Sunshine
In Lolo, Montana, the average sunshine in December is 5.2h.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lolo. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during December leads to these advisories:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lolo, MT
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is August (47.1°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in December
Lolo, 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
Lolo, MT
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Lolo, MT
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in December
Lolo, MT
- Average rainfall in December: 0.24"
The wettest month (with the highest rainfall) is April (0.51").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in December
Lolo, MT
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (4 days).
Average snowfall in December
Lolo, MT
- Average snowfall in December: 1.26"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Lolo, MT
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lolo, 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: 5h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Lolo, MT
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in December
Lolo, 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 November and December (UV index 1).
Average cloud cover in December
Lolo, MT
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in December
Lolo, 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 and December (4mi).
