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 marked by a distinct decrease in the average high-temperature, falling from a cold 40.8°F (4.9°C) in November to a freezing cold 26.4°F (-3.1°C). In December, Marsh's temperature tends to fall to an average low of 14.2°F (-9.9°C) during the night.Humidity
In December, the average relative humidity is 82%.Rainfall
In Marsh, in December, it is raining for 3.2 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, there are 89.5 rainfall days, and 10.59" (269mm) of precipitation is accumulated.Snowfall
Months with snowfall in Marsh are January through May, October through December. In Marsh, Montana, in December, snow falls for 9.7 days, with typically accumulated 2.13" (54mm) of snow. Throughout the year, there are 45.2 snowfall days, and 10.55" (268mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:25 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:44 am and sunset at 4:21 pm MST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index in Marsh. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Marsh?
What is the average humidity in December in Marsh?
How many days does it rain in December in Marsh?
How many days does it snow in December in Marsh?
What is the month with the shortest days in Marsh?
How many hours of daylight does Marsh have in December?
What time are sunrise and sunset in December in Marsh?
What is the month with the least sunshine in Marsh?
How long on average sun shines in December in Marsh?
What is the month with the lowest UV index in Marsh?
What is the UV index reading in December in Marsh?
Average temperature in December
Marsh, MT
- Average high temperature in December: 26.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in December: 14.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Marsh, MT
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Marsh, MT
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in December
Marsh, MT
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).
Average rainfall in December
Marsh, MT
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (1.73").
The driest months (with the least rainfall) are January, March and November (0.35").
Average rainfall days in December
Marsh, MT
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in December
Marsh, MT
- Average snowfall in December: 2.13"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Marsh, MT
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marsh, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Marsh, MT
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in December
Marsh, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Marsh, MT
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in December
Marsh, MT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Marsh, Montana, USA
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