January weather forecast
Jackson, MI

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Weather in January

January greets Jackson, Michigan, with a noticeably chilly entrance, featuring both cold temperatures and significant snowfall. Despite the cold, the humidity relative registers at 87%, resulting in a moist atmosphere. This further enhances the chill factor, creating an almost tangible cold that bites into the bones. With 13.6 days of snowfall, accounting for 3.66" (93mm), it comes as no surprise that hats, scarves, and gloves are a common sight around this time. Daylight hours are at their annual minimum, leaving people longing for the radiant warmth of the sun.

Temperature

January brings the lowest temperatures in Jackson, with an average high of 27.9°F (-2.3°C) and an average low of 16.9°F (-8.4°C).

Humidity

The months with the highest humidity in Jackson are January and February, with an average relative humidity of 87%.

Rainfall

In January, in Jackson, Michigan, the rain falls for 6 days. Throughout January, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 155.4 rainfall days, and 25.59" (650mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Jackson. In Jackson, during January, snow falls for 13.6 days and regularly aggregates up to 3.66" (93mm) of snow. In Jackson, Michigan, during the entire year, snow falls for 53.6 days and aggregates up to 16.57" (421mm) of snow.

Daylight

In January, the average length of the day in Jackson is 9h and 31min.
On the first day of the month, sunrise is at 8:06 am and sunset at 5:15 pm. On the last day of January, sunrise is at 7:51 am and sunset at 5:49 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 2.8h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 1 in January suggests the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What are the coldest months in Jackson?

Jackson's coldest weather arrives in January, when temperatures average a high of 27.9°F (-2.3°C) and a low of 16.9°F (-8.4°C).

How cold is it in Jackson in January?

The high-temperature during January is 27.9°F (-2.3°C) and the low-temperature is 16.9°F (-8.4°C).

What are the most humid months in Jackson?

January and February, with an average relative humidity of 87%, are most humid months in Jackson.

What is the average humidity in January in Jackson?

In Jackson, Michigan, the average relative humidity in January is 87%.

How many days does it rain in January in Jackson?

In Jackson, Michigan, in January, during 6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How much does it snow in Jackson in January?

In January, in Jackson, Michigan, it is snowing for 13.6 days. Throughout January, 3.66" (93mm) of snow is accumulated.

What is the average length of the day in January in Jackson?

In Jackson, the average day length in January is 9h and 31min.

When is the sunrise / sunset in January in Jackson?

On the first day of January in Jackson, Michigan, sunrise is at 8:06 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:49 pm EST.

What is the month with the least sunshine in Jackson?

The month with the least sunshine in Jackson, Michigan, is January, with an average of 2.8h of sunshine.

How long on average sun shines in January in Jackson?

In Jackson, Michigan, the average sunshine duration in January is 2.8h.

When is the lowest UV index in Jackson?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in January in Jackson?

In Jackson, Michigan, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Jackson, MI

Average temperature in January - Jackson, MI
  • Average high temperature in January: 27.9°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in January: 16.9°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in January
Jackson, MI

Average pressure in January - Jackson, MI
  • Average pressure in January: 30.08"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).

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Average wind speed in January
Jackson, MI

Average wind speed in January - Jackson, MI
  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in January
Jackson, MI

Average humidity in January - Jackson, MI
  • Average humidity in January: 87%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are March, April and October (78%).

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Average rainfall in January
Jackson, MI

Average rainfall in January - Jackson, MI
  • Average rainfall in January: 1.5"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is December (1.18").

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Average rainfall days in January
Jackson, MI

Average rainfall days in January - Jackson, MI
  • Average rainfall days in January: 6 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in January
Jackson, MI

Average snowfall in January - Jackson, MI
  • Average snowfall in January: 3.66"

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Jackson, MI

Average snowfall days in January - Jackson, MI
  • Average snowfall days in January: 13.6 days

The month with the highest number of snowfall days is January (13.6 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
Jackson, MI

Average daylight in January / Average sunshine in January - Jackson, 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 12min).

  • Average sunshine in January: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in January
Jackson, MI

Average sunshine days in January - Jackson, MI
  • Average sunshine days in January: 13.7 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.3 days).

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Average UV index in January
Jackson, MI

Average UV index in January - Jackson, MI
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Jackson, MI

Average cloud cover in January - Jackson, MI
  • Average cloud cover in January: 72

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in January
Jackson, MI

Average visibility in January - Jackson, MI
  • Average visibility in January: 5mi

The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).

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Jackson, Michigan, USA

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