December weather forecast
Hot Springs, MT

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Weather in December

December, the first month of the winter in Hot Springs, is also a subzero cold month, with an average temperature fluctuating between 16.7°F (-8.5°C) and 27.9°F (-2.3°C).

Temperature

December stands out as Hot Springs's coldest month, with an average high-temperature of 27.9°F (-2.3°C) and a low-temperature of 16.7°F (-8.5°C).

Humidity

The average relative humidity in December is 88%.

Rainfall

In December, the rain falls for 12.9 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. In Hot Springs, during the entire year, the rain falls for 160.2 days and collects up to 18.11" (460mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Hot Springs, in December, snow falls for 19.8 days, with typically accumulated 10.2" (259mm) of snow. In Hot Springs, during the entire year, snow falls for 99 days and aggregates up to 47.28" (1201mm) of snow.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 8:06 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 8:26 am and sunset at 4:57 pm MST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

The months with the lowest UV index in Hot Springs are January, February, November 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 ordinary person.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Hot Springs witnesses the coldest weather in December, with temperatures averaging a high of 27.9°F (-2.3°C) and a low of 16.7°F (-8.5°C).

How cold is it in Hot Springs in December?

In Hot Springs, 27.9°F (-2.3°C) is the average high-temperature and 16.7°F (-8.5°C) is the average low-temperature during December.

What is the average humidity in December?

In Hot Springs, the average relative humidity in December is 88%.

How much does it rain in December?

In Hot Springs, during December, the rain falls for 12.9 days and regularly aggregates up to 1.69" (43mm) of precipitation.

How much does it snow in December?

In Hot Springs, in December, during 19.8 snowfall days, 10.2" (259mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 8h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 8h and 31min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 8:06 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 8:26 am and sunset at 4:57 pm MST.

How many hours of sunshine does Hot Springs have in December?

In December, the average sunshine duration is 4.8h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December?

In Hot Springs, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hot Springs, MT

Average temperature in December - Hot Springs, MT
  • Average high temperature in December: 27.9°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 (27.9°F).

  • Average low temperature in December: 16.7°F

The months with the highest average low temperature are July and August (48.9°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).

Average pressure in December
Hot Springs, MT

Average pressure in December - Hot Springs, 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 (29.92"Hg).

Average wind speed in December
Hot Springs, MT

Average wind speed in December - Hot Springs, MT
  • Average wind speed in December: 4mph

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in December
Hot Springs, MT

Average humidity in December - Hot Springs, MT
  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).

Average rainfall in December
Hot Springs, MT

Average rainfall in December - Hot Springs, MT
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.55").

Average rainfall days in December
Hot Springs, MT

Average rainfall days in December - Hot Springs, MT
  • Average rainfall days in December: 12.9 days

The months with the highest number of rainy days are March and April (18.8 days).
The month with the least rainy days is August (7 days).

Average snowfall in December
Hot Springs, MT

Average snowfall in December - Hot Springs, MT
  • Average snowfall in December: 10.2"

The month with the highest snowfall is February (10.28").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Hot Springs, MT

Average snowfall days in December - Hot Springs, MT
  • Average snowfall days in December: 19.8 days

The month with the highest number of snowfall days is December (19.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Hot Springs, MT

Average daylight in December / Average sunshine in December - Hot Springs, MT
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Hot Springs, MT

Average sunshine days in December - Hot Springs, MT
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is July (21.3 days).
The month with the least sunshine days is March (6.4 days).

Average UV index in December
Hot Springs, MT

Average UV index in December - Hot Springs, MT
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Hot Springs, MT

Average cloud cover in December - Hot Springs, MT
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 14).

Average visibility in December
Hot Springs, MT

Average visibility in December - Hot Springs, 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).

Hot Springs, Montana, USA

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