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
December, marked by an average high-temperature of 28.4°F (-2°C) and a low-temperature of 16°F (-8.9°C), is the coldest month.Humidity
The average relative humidity in December is 86%.Rainfall
In December, the rain falls for 12.6 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 140.1 rainfall days, and 15.16" (385mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Florence, in December, snow falls for 16.7 days, with typically accumulated 7.8" (198mm) of snow. In Florence, during the entire year, snow falls for 87.7 days and aggregates up to 46.5" (1181mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December in Florence, sunrise is at 8:00 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 4:58 pm MST.
Sunshine
In December, the average sunshine in Florence, Montana, is 5.6h.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Florence?
How cold is December in Florence?
What is the average humidity in December in Florence?
How much does it rain in Florence in December?
How many days does it snow in December in Florence?
What is the month with the shortest days in Florence?
What is the average length of the day in December in Florence?
When are sunrise and sunset in December in Florence?
How many hours of sunshine does Florence have in December?
How high is the UV index in December in Florence?
Average temperature in December
Florence, MT
- Average high temperature in December: 28.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (16°F).
Average pressure in December
Florence, MT
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Florence, MT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Florence, MT
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in December
Florence, MT
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is February (1.93").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in December
Florence, MT
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in December
Florence, MT
- Average snowfall in December: 7.8"
The month with the highest snowfall is February (11.22").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Florence, MT
- Average snowfall days in December: 16.7 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Florence, MT
- Average daylight in December: 8h and 4min
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 4min
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 30min).
Average sunshine days in December
Florence, MT
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in December
Florence, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Florence, MT
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in December
Florence, 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).
Florence, Montana, USA
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