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 sea temperature 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
In December, the average high-temperature decreases from a chilly 46.6°F (8.1°C) in November to a cold 35.8°F (2.1°C). The average low-temperature, in Monroe, is 27.3°F (-2.6°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Monroe, during December, the rain falls for 6.1 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Monroe, Michigan, during the entire year, the rain falls for 103.1 days and collects up to 8.66" (220mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Monroe, during December, snow falls for 6.8 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 32.9 snowfall days, and 3.27" (83mm) of snow is accumulated.Ocean temperature
In Monroe, the average seawater temperature in December is 37.8°F (3.2°C).Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
Daylight
With an average of 9h and 11min of daylight, December has the shortest days of the year in Monroe.On the first day of December, sunrise is at 7:41 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:11 pm EST.
Sunshine
In December, the average sunshine in Monroe is 3.6h.UV index
December is the month with the lowest UV index in Monroe, Michigan, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 1 in December transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the temperature in December in Monroe?
What is the average humidity in December in Monroe?
How much does it rain in Monroe in December?
How many days does it snow in December in Monroe?
What is the ocean temperature in December in Monroe?
What is the month with the shortest days in Monroe?
How many hours of daylight does Monroe have in December?
When is the sunrise / sunset in December in Monroe?
How many hours of sunshine does Monroe have in December?
What is the month with the lowest UV index in Monroe?
What is the UV index intensity in December in Monroe?
Average temperature in December
Monroe, MI
- Average high temperature in December: 35.8°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 (29.7°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Monroe, 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
Monroe, MI
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Monroe, MI
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Monroe, MI
- Average rainfall in December: 0.43"
The wettest months (with the highest rainfall) are May, June and August (1.06").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in December
Monroe, MI
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Monroe, MI
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Monroe, MI
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Monroe, MI
- Average sea temperature in December: 37.8°F
The best month for swimming (with the highest average sea temperature) is August (76.4°F).
The coldest month (with the lowest average sea temperature) is February (32.6°F).
Average daylight in December /
Average sunshine in December
Monroe, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Monroe, MI
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is April (14.9 days).
Average UV index in December
Monroe, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Monroe, MI
- 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 July (Cloud cover 29).
Average visibility in December
Monroe, MI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
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