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
Nyack's December weather, with an average high temperature of 23.2°F (-4.9°C) and an average low temperature of 11.3°F (-11.5°C), tends to be the coldest of the year.Humidity
In December, the average relative humidity is 92%.Rainfall
In Nyack, during December, the rain falls for 5.5 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Nyack, during the entire year, the rain falls for 118.6 days and collects up to 20.75" (527mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In December, in Nyack, it is snowing for 22.8 days. Throughout December, 19.17" (487mm) of snow is accumulated. Throughout the year, in Nyack, there are 128.7 snowfall days, and 92.13" (2340mm) of snow is accumulated.Daylight
The month with the shortest days in Nyack is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 8:06 am and sunset at 4:42 pm. On the last day of December, sunrise is at 8:26 am and sunset at 4:50 pm MST.
Sunshine
In Nyack, the average sunshine in December is 3.2h.UV index
The months with the lowest UV index in Nyack are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What month is the coldest in Nyack?
How cold is it in Nyack in December?
What is the average humidity in December in Nyack?
How many days does it rain in December in Nyack?
How much does it snow in Nyack in December?
What is the month with the shortest days in Nyack?
What is the average length of the day in December in Nyack?
When are sunrise and sunset in December in Nyack?
How long on average sun shines in December in Nyack?
When is the lowest UV index in Nyack?
What is the UV index intensity in December in Nyack?
Average temperature in December
Nyack, MT
- Average high temperature in December: 23.2°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is December (23.2°F).
- Average low temperature in December: 11.3°F
The months with the highest average low temperature are July and August (44.2°F).
The coldest month (with the lowest average low temperature) is February (10.9°F).
Average pressure in December
Nyack, MT
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Nyack, MT
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is November (7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Nyack, MT
- Average humidity in December: 92%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (56%).
Average rainfall in December
Nyack, MT
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is January (2.56").
The driest month (with the least rainfall) is August (0.71").
Average rainfall days in December
Nyack, MT
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Nyack, MT
- Average snowfall in December: 19.17"
The month with the highest snowfall is January (20.16").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Nyack, MT
- Average snowfall days in December: 22.8 days
The month with the highest number of snowfall days is December (22.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Nyack, MT
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Nyack, MT
- Average sunshine days in December: 8 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in December
Nyack, 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, March, November and December (UV index 1).
Average cloud cover in December
Nyack, MT
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in December
Nyack, 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, March and December (4mi).
Nyack, Montana, USA
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