December weather forecastStryker, MT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Stryker, Montana, with an average temperature varying between 25.5°F (-3.6°C) and 13.3°F (-10.4°C).Temperature
The month of December sees the lowest average temperatures, reaching 25.5°F (-3.6°C) at the peak and 13.3°F (-10.4°C) at the low.Humidity
In Stryker, the average relative humidity in December is 91%.Rainfall
In December, the rain falls for 9 days. Throughout December, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 136.9 rainfall days, and 16.46" (418mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Stryker, in December, snow falls for 21.4 days, with typically accumulated 10.63" (270mm) of snow. Throughout the year, in Stryker, there are 107.6 snowfall days, and 51.42" (1306mm) of snow is accumulated.Daylight
The month with the shortest days in Stryker is December, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 8:11 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 8:31 am and sunset at 4:53 pm MST.
Sunshine
The average sunshine in December in Stryker is 3.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Stryker, MT
- Average high temperature in December: 25.5°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in December: 13.3°F
The month with the highest average low temperature is August (45°F).
The coldest month (with the lowest average low temperature) is February (12.7°F).
Average pressure in December
Stryker, MT
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Stryker, MT
- Average wind speed in December: 3.5mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in December
Stryker, MT
- Average humidity in December: 91%
The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in December
Stryker, MT
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is March (1.93").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in December
Stryker, MT
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in December
Stryker, MT
- Average snowfall in December: 10.63"
The month with the highest snowfall is January (11.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Stryker, MT
- Average snowfall days in December: 21.4 days
The month with the highest number of snowfall days is December (21.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Stryker, MT
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Stryker, MT
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in December
Stryker, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Stryker, MT
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Stryker, 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 and February (3mi).
