January weather forecast
South Haven, MI

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Weather in January

January begins the year in South Haven, Michigan with chilly temperatures and considerable moisture. The winter season is evident as colder weather reigns, bringing potential snowfall. High humidity of 84%, along with 1.69" (43mm) of rainfall, leads to a fair number of damp days. With more than half of the month cloud-covered, the city embraces its cold, wintery side. The harsh winter conditions might be challenging for some, yet they set a picturesque, frosty scene for locals and visitors alike.

Temperature

In South Haven, the month of January is known for its lowest average temperatures, reaching a high of 29.7°F (-1.3°C) and a low of 21.9°F (-5.6°C).

Humidity

January is the most humid month in South Haven, with an average relative humidity of 84%.

Rainfall

In South Haven, during January, the rain falls for 7.6 days and regularly aggregates up to 1.69" (43mm) of precipitation. In South Haven, during the entire year, the rain falls for 155.5 days and collects up to 24.8" (630mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 17.3 days and typically aggregates up to 3.98" (101mm) of snow.

Daylight

The average length of the day in January is 9h and 30min.
On the first day of January in South Haven, sunrise is at 8:14 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:57 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 2.6h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 suggests these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What is the coldest time of year in South Haven?

South Haven's temperature records reveal January as the coldest month, marked by average highs of 29.7°F (-1.3°C) and lows of 21.9°F (-5.6°C).

How cold is January in South Haven?

January temperatures in South Haven, Michigan, vary between a high-temperature of 29.7°F (-1.3°C) and a low-temperature of 21.9°F (-5.6°C).

What is the most humid month in South Haven?

January is the most humid month in South Haven, with an average relative humidity of 84%.

What is the average humidity in January in South Haven?

In January, the average relative humidity in South Haven is 84%.

How many days does it rain in January in South Haven?

In January, the rain falls for 7.6 days. Throughout January, 1.69" (43mm) of precipitation is accumulated.

What is the snowiest month in South Haven?

The month with the most snowfall is January, when snow falls for 17.3 days and typically aggregates up to 3.98" (101mm) of snow.

How much does it snow in South Haven in January?

In South Haven, Michigan, during January, snow falls for 17.3 days and regularly aggregates up to 3.98" (101mm) of snow.

What is the average length of the day in January in South Haven?

In South Haven, the average day length in January is 9h and 30min.

When are sunrise and sunset in January in South Haven?

On the first day of January, sunrise is at 8:14 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:57 pm EST.

What is the month with the least sunshine in South Haven?

With an average of 2.6h of sunshine, January has the least sunshine of the year in South Haven.

How many hours of sunshine does South Haven have in January?

The average sunshine duration in January is 2.6h.

How high is the UV index in January in South Haven?

In January, the average daily maximum UV index in South Haven is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Haven, MI

Average temperature in January - South Haven, MI
  • Average high temperature in January: 29.7°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 January: 21.9°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).

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Average pressure in January
South Haven, MI

Average pressure in January - South Haven, MI
  • Average pressure in January: 30.09"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).

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Average wind speed in January
South Haven, MI

Average wind speed in January - South Haven, MI
  • Average wind speed in January: 12.7mph

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).

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Average humidity in January
South Haven, MI

Average humidity in January - South Haven, MI
  • Average humidity in January: 84%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (76%).

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Average rainfall in January
South Haven, MI

Average rainfall in January - South Haven, MI
  • Average rainfall in January: 1.69"

The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is February (1.38").

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Average rainfall days in January
South Haven, MI

Average rainfall days in January - South Haven, MI
  • Average rainfall days in January: 7.6 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).

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Average snowfall in January
South Haven, MI

Average snowfall in January - South Haven, MI
  • Average snowfall in January: 3.98"

The month with the highest snowfall is January (3.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
South Haven, MI

Average snowfall days in January - South Haven, MI
  • Average snowfall days in January: 17.3 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).

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Average daylight in January /
Average sunshine in January
South Haven, MI

Average daylight in January / Average sunshine in January - South Haven, MI
  • Average daylight in January: 9h and 3min

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 January: 2h and 4min

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).

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Average sunshine days in January
South Haven, MI

Average sunshine days in January - South Haven, MI
  • Average sunshine days in January: 6.3 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).

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Average UV index in January
South Haven, MI

Average UV index in January - South Haven, MI
  • Average UV index in January: 2

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).

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Average cloud cover in January
South Haven, MI

Average cloud cover in January - South Haven, MI
  • Average cloud cover in January: 74

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).

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Average visibility in January
South Haven, MI

Average visibility in January - South Haven, MI
  • Average visibility in January: 5mi

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).

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South Haven, Michigan, USA

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