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
Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a frosty 45.7°F (7.6°C) to an icy 34.9°F (1.6°C). During December, Mendon's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of 26.1°F (-3.3°C).Humidity
In Mendon, the average relative humidity in December is 84%.Rainfall
In Mendon, in December, it is raining for 7.7 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, in Mendon, there are 139.9 rainfall days, and 20.63" (524mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Mendon. In Mendon, during December, snow falls for 11.2 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 53.3 snowfall days, and 11.77" (299mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Mendon, sunrise is at 7:50 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 5:20 pm EST.
Sunshine
In December, the average sunshine in Mendon is 3.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is it in Mendon in December?
What is the average humidity in December in Mendon?
How much does it rain in Mendon in December?
How much does it snow in Mendon in December?
What is the month with the shortest days in Mendon?
What is the average length of the day in December in Mendon?
What time are sunrise and sunset in December in Mendon?
How long on average sun shines in December in Mendon?
When is the lowest UV index in Mendon?
What is the UV index reading in December in Mendon?
Average temperature in December
Mendon, MI
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Mendon, MI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mendon, MI
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in December
Mendon, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are March, April and October (77%).
Average rainfall in December
Mendon, MI
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days in December
Mendon, MI
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Mendon, MI
- Average snowfall in December: 1.85"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mendon, MI
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mendon, MI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Mendon, MI
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is March (15.2 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in December
Mendon, MI
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Mendon, MI
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Mendon, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Mendon, Michigan, USA
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