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
Hartland's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 44.6°F (7°C) to a wintry 33.1°F (0.6°C). In Hartland, the average low-temperature during December nights tends to settle at a freezing cold 24.4°F (-4.2°C), indicating a slight drop from the daytime peak.Humidity
In Hartland, the average relative humidity in December is 84%.Rainfall
February and December are months with the least rain in Hartland, Michigan, when the rain falls for 8.5 days and typically aggregates up to 1.46" (37mm) of rain.Snowfall
January through May, October through December are months with snowfall in Hartland. In Hartland, in December, snow falls for 12.9 days, with typically accumulated 2.99" (76mm) of snow. Throughout the year, there are 57.3 snowfall days, and 19.06" (484mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 5:02 pm. On the last day of December, in Hartland, sunrise is at 8:05 am and sunset at 5:11 pm EST.
Sunshine
The average sunshine in December is 3.3h.UV index
The month with the lowest UV index in Hartland is 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: A maximum high UV index of 1 in December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is December in Hartland?
What is the average humidity in December in Hartland?
What is the driest month in Hartland?
How much does it rain in Hartland in December?
How many days does it snow in December in Hartland?
What is the month with the shortest days in Hartland?
How many hours of daylight does Hartland have in December?
What time are sunrise and sunset in December in Hartland?
How many hours of sunshine does Hartland have in December?
When is the lowest UV index in Hartland?
How high is the UV index in December in Hartland?
Average temperature in December
Hartland, MI
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 24.4°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 (16.7°F).
Average pressure in December
Hartland, MI
- Average pressure in December: 30.07"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Hartland, MI
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Hartland, MI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Hartland, MI
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (3.27").
The driest months (with the least rainfall) are February and December (1.46").
Average rainfall days in December
Hartland, MI
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Hartland, MI
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hartland, MI
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hartland, MI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h 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: 2h and 48min).
Average sunshine days in December
Hartland, MI
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in December
Hartland, MI
- Average UV index in December: 1
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Hartland, MI
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Hartland, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Hartland, Michigan, USA
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