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
A shift in the average high-temperature occurs in December, reducing from a chilly 46.8°F (8.2°C) in November to a wintry 36.1°F (2.3°C). La Salle's nighttime average temperature in December drops marginally from the daytime highs, settling at a subzero cold 27.5°F (-2.5°C).Humidity
In December, the average relative humidity in La Salle, Michigan, is 82%.Rainfall
December is the month with the least rainfall in La Salle, Michigan. Rain falls for 7 days and accumulates 0.67" (17mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in La Salle. In La Salle, in December, snow falls for 8.4 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, in La Salle, there are 39.7 snowfall days, and 6.26" (159mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:42 am and sunset at 5:03 pm. On the last day of December, in La Salle, sunrise is at 8:01 am and sunset at 5:12 pm EST.
Sunshine
In La Salle, Michigan, the average sunshine in December is 3.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in La Salle. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is it in La Salle in December?
What is the average humidity in December in La Salle?
What is the driest month in La Salle?
How much does it rain in La Salle in December?
How much does it snow in La Salle in December?
What is the month with the shortest days in La Salle?
How many hours of daylight does La Salle have in December?
When is the sunrise / sunset in December in La Salle?
How long on average sun shines in December in La Salle?
When is the lowest UV index in La Salle?
What is the UV index reading in December in La Salle?
Average temperature in December
La Salle, MI
- Average high temperature in December: 36.1°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: 27.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
La Salle, MI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
La Salle, MI
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
La Salle, MI
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
La Salle, MI
- Average rainfall in December: 0.67"
The wettest months (with the highest rainfall) are May and June (1.97").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in December
La Salle, MI
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
La Salle, MI
- Average snowfall in December: 0.91"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
La Salle, MI
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
La Salle, 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 18min).
Average sunshine days in December
La Salle, MI
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
La Salle, 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
La Salle, MI
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
La Salle, 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).
La Salle, Michigan, USA
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