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 average high-temperature decreases in December, shifting from a wintry 36°F (2.2°C) in November to a subzero cold 24.1°F (-4.4°C). In Thayer, the nightly December temperatures experience a slight descent from daily highs to an average low of 15.1°F (-9.4°C).Humidity
In Thayer, the average relative humidity in December is 90%.Rainfall
In Thayer, in December, during 5.3 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Thayer, during the entire year, the rain falls for 128.5 days and collects up to 24.76" (629mm) of precipitation.Snowfall
Months with snowfall in Thayer are January through May, October through December. The month with the most snowfall is December, when snow falls for 23.8 days and typically aggregates up to 11.18" (284mm) of snow.Daylight
December has the shortest days of the year in Thayer, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:13 pm. On the last day of December, in Thayer, sunrise is at 7:40 am and sunset at 4:21 pm CST.
Sunshine
The average sunshine in December is 2.2h.UV index
The months with the lowest UV index are January, March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Thayer in December?
What is the average humidity in December in Thayer?
How many days does it rain in December in Thayer?
When does it snow the most in Thayer?
How many days does it snow in December in Thayer?
What is the month with the shortest days in Thayer?
What is the average length of the day in December in Thayer?
What time are sunrise and sunset in December in Thayer?
How long on average sun shines in December in Thayer?
What is the month with the lowest UV index in Thayer?
What is the UV index reading in December in Thayer?
Average temperature in December
Thayer, MI
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (18.5°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in December
Thayer, MI
- Average pressure in December: 30.06"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Thayer, MI
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is November (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Thayer, MI
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Thayer, MI
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in December
Thayer, MI
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in December
Thayer, MI
- Average snowfall in December: 11.18"
The month with the highest snowfall is December (11.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Thayer, MI
- Average snowfall days in December: 23.8 days
The month with the highest number of snowfall days is January (26.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Thayer, MI
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Thayer, MI
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is January (5 days).
Average UV index in December
Thayer, 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, March, November and December (UV index 1).
Average cloud cover in December
Thayer, MI
- Average cloud cover in December: 79
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Thayer, MI
- Average visibility in December: 4mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Thayer, Michigan, USA
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