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
December's onset brings a reduction in the average high-temperature, from a frosty 45.7°F (7.6°C) in November to a wintry 35.4°F (1.9°C). South Haven observes an average low-temperature of 29.3°F (-1.5°C) during the slightly cooler nights of December.Humidity
In South Haven, Michigan, the average relative humidity in December is 82%.Rainfall
In South Haven, in December, during 9.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in South Haven, there are 155.5 rainfall days, and 24.8" (630mm) of precipitation is accumulated.Snowfall
Months with snowfall in South Haven, Michigan, are January through May, October through December. In South Haven, during December, snow falls for 13.2 days and regularly aggregates up to 2.52" (64mm) of snow. In South Haven, during the entire year, snow falls for 60.2 days and aggregates up to 14.45" (367mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December in South Haven, Michigan, sunrise is at 7:55 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:22 pm EST.
Sunshine
The average sunshine in December is 3.2h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is it in South Haven in December?
What is the average humidity in December in South Haven?
How much does it rain in South Haven in December?
How much does it snow in South Haven in December?
What is the month with the shortest days in South Haven?
What is the average length of the day in December in South Haven?
What time are sunrise and sunset in December in South Haven?
How many hours of sunshine does South Haven have in December?
When is the lowest UV index in South Haven?
How high is the UV index in December in South Haven?
Average temperature in December
South Haven, MI
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 29.3°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 (21.9°F).
Average pressure in December
South Haven, MI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
South Haven, MI
- Average wind speed in December: 12.2mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in December
South Haven, MI
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
South Haven, MI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in December
South Haven, MI
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is October (16.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
South Haven, MI
- Average snowfall in December: 2.52"
The month with the highest snowfall is January (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Haven, MI
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Haven, 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 6min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
South Haven, MI
- Average sunshine days in December: 9.5 days
The months with the most sunshine days are March and July (12.8 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in December
South Haven, 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
South Haven, MI
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in December
South Haven, 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).
South Haven, Michigan, USA
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