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
The shift from November to December corresponds with a decrease in the average high-temperature, down to a freezing cold 31.1°F (-0.5°C) from a wintry 41.9°F (5.5°C). Lachine's nighttime temperatures in December settle close to daytime highs at an average of 24.3°F (-4.3°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In Lachine, in December, during 6 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in Lachine, there are 118.1 rainfall days, and 16.42" (417mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Lachine. In Lachine, Michigan, in December, during 16.4 snowfall days, 2.8" (71mm) of snow is typically accumulated. Throughout the year, there are 80.2 snowfall days, and 19.84" (504mm) of snow is accumulated.Daylight
December has the shortest days of the year in Lachine, with an average of 8h and 48min of daylight.On the first day of December in Lachine, sunrise is at 7:53 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 5:03 pm EST.
Sunshine
The average sunshine in December in Lachine, Michigan, is 2.4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Lachine in December?
What is the average humidity in December in Lachine?
How much does it rain in Lachine in December?
How much does it snow in Lachine in December?
What is the month with the shortest days in Lachine?
How many hours of daylight does Lachine have in December?
When is the sunrise / sunset in December in Lachine?
How many hours of sunshine does Lachine have in December?
When is the lowest UV index in Lachine?
What is the UV index intensity in December in Lachine?
Average temperature in December
Lachine, MI
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is July (59°F).
The coldest months (with the lowest average low temperature) are January and February (17.1°F).
Average pressure in December
Lachine, MI
- Average pressure in December: 30.03"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
Lachine, MI
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Lachine, MI
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Lachine, MI
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Lachine, MI
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Lachine, MI
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lachine, MI
- Average snowfall days in December: 16.4 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lachine, MI
- Average daylight in December: 8h and 5min
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: 2h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Lachine, MI
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is May (16.1 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in December
Lachine, 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
Lachine, MI
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Lachine, MI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Lachine, Michigan, USA
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