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
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from an icy 42.3°F (5.7°C) in November to a still wintry 32.5°F (0.3°C). A consistent nighttime average temperature of 27.1°F (-2.7°C) is maintained during December.Humidity
In December, the average relative humidity in Leland, Michigan, is 82%.Rainfall
In Leland, during December, the rain falls for 5.4 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 110.5 rainfall days, and 14.8" (376mm) of precipitation is accumulated.Snowfall
Months with snowfall in Leland are January through May, October through December. In Leland, Michigan, in December, during 13.2 snowfall days, 1.61" (41mm) of snow is typically accumulated. Throughout the year, there are 64.4 snowfall days, and 9.96" (253mm) of snow is accumulated.Ocean temperature
In December, the average ocean temperature is 40.8°F (4.9°C).Note: When swimming, this state is excessively cold, posing a lethal risk. Absent the protection of insulated waterproof wear, hypothermia is likely to occur immediately.
Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 8:01 am and sunset at 5:02 pm. On the last day of December, sunrise is at 8:21 am and sunset at 5:11 pm EST.
Sunshine
The average sunshine in December is 2.2h.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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the water temperature in December?
What is the month with the shortest days?
How many hours of daylight does Leland have in December?
When are sunrise and sunset in December in Leland?
How many hours of sunshine does Leland have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Leland, MI
- Average high temperature in December: 32.5°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is August (62.6°F).
The coldest month (with the lowest average low temperature) is February (19.9°F).
Average pressure in December
Leland, 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
Leland, MI
- Average wind speed in December: 15mph
The windiest month (with the highest average wind speed) is November (15.1mph).
The calmest month (with the lowest average wind speed) is June (8.7mph).
Average humidity in December
Leland, MI
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are September, October and November (77%).
Average rainfall in December
Leland, MI
- Average rainfall in December: 1.14"
The wettest months (with the highest rainfall) are May, June and October (1.61").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in December
Leland, MI
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is October (15 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Leland, MI
- Average snowfall in December: 1.61"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Leland, MI
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Leland, MI
- Average sea temperature in December: 40.9°F
The best month for swimming (with the highest average sea temperature) is August (69.4°F).
The coldest month (with the lowest average sea temperature) is March (34.3°F).
Average daylight in December /
Average sunshine in December
Leland, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in December
Leland, MI
- Average sunshine days in December: 8.5 days
The months with the most sunshine days are June and July (17.6 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in December
Leland, MI
- Average UV index in December: 1
The months with the highest UV index are 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
Leland, MI
- Average cloud cover in December: 80
The month with the most cloud cover is January (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Leland, MI
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Leland, Michigan, USA
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