December weather forecastMerritt, MI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Merritt, Michigan, with an average temperature fluctuating between 30.2°F (-1°C) and 22.1°F (-5.5°C).Temperature
December suggests a modest reduction in the average high-temperature, shifting from a wintry 41°F (5°C) in November to a subzero cold 30.2°F (-1°C). Merritt sees a minor drop to an average minimum temperature of 22.1°F (-5.5°C) during the night in the month of December.Humidity
In Merritt, the average relative humidity in December is 86%.Rainfall
In Merritt, during December, the rain falls for 7.1 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 131.5 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Merritt, in December, snow falls for 18.6 days, with typically accumulated 6.3" (160mm) of snow. In Merritt, during the entire year, snow falls for 90.1 days and aggregates up to 32.91" (836mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:56 am and sunset at 5:01 pm. On the last day of December, sunrise is at 8:15 am and sunset at 5:10 pm EST.
Sunshine
In December, the average sunshine is 2.3h.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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 suggests this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Merritt, MI
- Average high temperature in December: 30.2°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Merritt, MI
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Merritt, MI
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Merritt, MI
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Merritt, MI
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in December
Merritt, MI
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is October (16.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Merritt, MI
- Average snowfall in December: 6.3"
The month with the highest snowfall is January (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Merritt, MI
- Average snowfall days in December: 18.6 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Merritt, MI
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Merritt, MI
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in December
Merritt, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Merritt, MI
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Merritt, MI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June and July (6mi).
The months with the lowest visibility are January and February (4mi).
