December weather forecastSaint Martin, MN
December
Weather in December
December, the first month of the winter in Saint Martin, is also a subzero cold month, with an average temperature fluctuating between 12.6°F (-10.8°C) and 22.8°F (-5.1°C).Temperature
Saint Martin's weather in December is characterized by a distinct drop in the average high-temperature, reducing from a cold 38.3°F (3.5°C) in November to a freezing cold 22.8°F (-5.1°C). Nighttime temperature experiences an average drop to a frigid cold 12.6°F (-10.8°C) in December.Humidity
In December, the average relative humidity is 88%.Rainfall
In Saint Martin, during December, the rain falls for 2.5 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, in Saint Martin, there are 94.5 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Saint Martin. The month with the most snowfall is December, when snow falls for 10.4 days and typically aggregates up to 2.2" (56mm) of snow.Daylight
December has the shortest days of the year in Saint Martin, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 4:36 pm. On the last day of December, in Saint Martin, sunrise is at 7:58 am and sunset at 4:45 pm CST.
Sunshine
In Saint Martin, the average sunshine in December is 3.5h.UV index
The months with the lowest UV index in Saint Martin are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 during December translates into the following guidance:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Martin, MN
- Average high temperature in December: 22.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (18.3°F).
- Average low temperature in December: 12.6°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in December
Saint Martin, MN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Saint Martin, MN
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Saint Martin, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in December
Saint Martin, MN
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is June (2.17").
The driest months (with the least rainfall) are January and February (0.31").
Average rainfall days in December
Saint Martin, MN
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (0.9 days).
Average snowfall in December
Saint Martin, MN
- Average snowfall in December: 2.2"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Saint Martin, MN
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Martin, MN
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Saint Martin, MN
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (13 days).
Average UV index in December
Saint Martin, MN
- 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
Saint Martin, MN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Saint Martin, MN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
