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 is the month when Monarch sees the lowest average temperatures, with a high of 24.3°F (-4.3°C) and a low of 11.7°F (-11.3°C).Humidity
The average relative humidity in December in Monarch is 85%.Rainfall
December is the month with the least rainfall. Rain falls for 6.5 days and accumulates 1.26" (32mm) of precipitation.Snowfall
January through June, August through December are months with snowfall in Monarch. In Monarch, Montana, during December, snow falls for 17.9 days and regularly aggregates up to 10" (254mm) of snow. In Monarch, during the entire year, snow falls for 137.4 days and aggregates up to 110.08" (2796mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December in Monarch, sunrise is at 7:49 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 4:44 pm MST.
Sunshine
In December, the average sunshine is 5h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What time of the year is the coldest in Monarch?
How cold is December in Monarch?
What is the average humidity in December in Monarch?
What is the driest month in Monarch?
How much does it rain in Monarch in December?
How many days does it snow in December in Monarch?
What is the month with the shortest days in Monarch?
What is the average length of the day in December in Monarch?
When are sunrise and sunset in December in Monarch?
How many hours of sunshine does Monarch have in December?
What is the UV index reading in December in Monarch?
Average temperature in December
Monarch, MT
- Average high temperature in December: 24.3°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in December: 11.7°F
The months with the highest average low temperature are July and August (48.2°F).
The coldest month (with the lowest average low temperature) is December (11.7°F).
Average pressure in December
Monarch, MT
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Monarch, MT
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Monarch, MT
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (53%).
Average rainfall in December
Monarch, MT
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (4.69").
The driest month (with the least rainfall) is December (1.26").
Average rainfall days in December
Monarch, MT
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Monarch, MT
- Average snowfall in December: 10"
The month with the highest snowfall is April (19.29").
The month with the least snowfall is July (0").
Average snowfall days in December
Monarch, MT
- Average snowfall days in December: 17.9 days
The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Monarch, 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 0min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Monarch, MT
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is May (4.7 days).
Average UV index in December
Monarch, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Monarch, MT
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in December
Monarch, MT
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is February (4mi).
Monarch, Montana, USA
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