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
Toston reaches its lowest average temperatures in December, measuring 25.3°F (-3.7°C) at the peak and 10.9°F (-11.7°C) at the lowest.Humidity
In December, the average relative humidity is 87%.Rainfall
In December, in Toston, the rain falls for 5 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Toston, there are 103.1 rainfall days, and 13.31" (338mm) of precipitation is accumulated.Snowfall
Months with snowfall in Toston are January through June, September through December. In December, it is snowing for 12.8 days. Throughout December, 5.47" (139mm) of snow is accumulated. In Toston, during the entire year, snow falls for 97.8 days and aggregates up to 52.68" (1338mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:48 am and sunset at 4:41 pm. On the last day of December, sunrise is at 8:08 am and sunset at 4:50 pm MST.
Sunshine
In December, the average sunshine in Toston is 5.7h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 1 during December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Toston?
How cold is it in Toston in December?
What is the average humidity in December in Toston?
How much does it rain in Toston in December?
How much does it snow in Toston in December?
What is the month with the shortest days in Toston?
What is the average length of the day in December in Toston?
What time are sunrise and sunset in December in Toston?
How many hours of sunshine does Toston have in December?
What are the months with the lowest UV index in Toston?
What is the UV index intensity in December in Toston?
Average temperature in December
Toston, MT
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is December (25.3°F).
- Average low temperature in December: 10.9°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is December (10.9°F).
Average pressure in December
Toston, MT
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Toston, MT
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Toston, MT
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (48%).
Average rainfall in December
Toston, MT
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Toston, MT
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is November (3.8 days).
Average snowfall in December
Toston, MT
- Average snowfall in December: 5.47"
The month with the highest snowfall is February (9.61").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Toston, MT
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Toston, 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: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Toston, MT
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is April (10.6 days).
Average UV index in December
Toston, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Toston, MT
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Toston, MT
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Toston, Montana, USA
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