January weather forecast
Chesterton, IN

Weather in January

January, the same as December, in Chesterton, Indiana, is a freezing cold winter month, with an average temperature varying between 20.5°F (-6.4°C) and 30.2°F (-1°C).

Temperature

With an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 20.5°F (-6.4°C), January is the coldest month.

Humidity

With an average relative humidity of 83%, January is the most humid month in Chesterton, Indiana.

Rainfall

January and December are months with the least rain when the rain falls for 7.1 days and typically aggregates up to 1.14" (29mm) of rain.

Snowfall

January through April, November and December are months with snowfall. January is the month with the most snowfall in Chesterton. Snow falls for 14.1 days and accumulates 3.11" (79mm) of snow.

Ocean temperature

In January, the average ocean temperature in Chesterton is 39.2°F (4°C).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The average length of the day in January is 9h and 34min.
On the first day of January, sunrise is at 7:14 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:02 pm CST.

Sunshine

The month with the least sunshine in Chesterton is January, with an average of 3.3h of sunshine.

UV index

In January, the average daily maximum UV index in Chesterton is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Chesterton?

January is the coldest month in Chesterton, Indiana, with an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 20.5°F (-6.4°C).

What is the most humid month in Chesterton?

January is the most humid month, with an average relative humidity of 83%.

What is the average humidity in January in Chesterton?

The average relative humidity in January in Chesterton, Indiana, is 83%.

What is the driest month in Chesterton?

January and December are months with the least rain in Chesterton when the rain falls for 7.1 days and typically aggregates up to 1.14" (29mm) of rain.

How much does it rain in Chesterton in January?

In Chesterton, Indiana, in January, it is raining for 7.1 days, with typically 1.14" (29mm) of accumulated precipitation.

When does it snow the most in Chesterton?

January is the month with the most snowfall in Chesterton. Snow falls for 14.1 days and accumulates 3.11" (79mm) of snow.

How much does it snow in Chesterton in January?

In January, in Chesterton, it is snowing for 14.1 days. Throughout January, 3.11" (79mm) of snow is accumulated.

What is the ocean temperature in January in Chesterton?

In Chesterton, in January, the average water temperature is 39.2°F (4°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

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

In January, the average day length is 9h and 34min.

When are sunrise and sunset in January in Chesterton?

In January, on the first day of the month, sunrise is at 7:14 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:02 pm CST.

What is the month with the least sunshine in Chesterton?

The month with the least sunshine in Chesterton, Indiana, is January, with an average of 3.3h of sunshine.

How long on average sun shines in January in Chesterton?

In Chesterton, the average sunshine duration in January is 3.3h.

What is the UV index reading in January in Chesterton?

In Chesterton, Indiana, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Chesterton, IN

Average temperature in January - Chesterton, IN
  • Average high temperature in January: 30.2°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in January: 20.5°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in January
Chesterton, IN

Average pressure in January - Chesterton, IN
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Chesterton, IN

Average wind speed in January - Chesterton, IN
  • Average wind speed in January: 12mph

The windiest month (with the highest average wind speed) is January (12mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

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Average humidity in January
Chesterton, IN

Average humidity in January - Chesterton, IN
  • Average humidity in January: 83%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in January
Chesterton, IN

Average rainfall in January - Chesterton, IN
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is June (3.54").
The driest months (with the least rainfall) are January and December (1.14").

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Average rainfall days in January
Chesterton, IN

Average rainfall days in January - Chesterton, IN
  • Average rainfall days in January: 7.1 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in January
Chesterton, IN

Average snowfall in January - Chesterton, IN
  • Average snowfall in January: 3.11"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Chesterton, IN

Average snowfall days in January - Chesterton, IN
  • Average snowfall days in January: 14.1 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in January
Chesterton, IN

Average sea temperature in January - Chesterton, IN
  • Average sea temperature in January: 39°F

The best month for swimming (with the highest average sea temperature) is August (70°F).
The coldest months (with the lowest average sea temperature) are February, March and April (37°F).

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Average daylight in January /
Average sunshine in January
Chesterton, IN

Average daylight in January / Average sunshine in January - Chesterton, IN
  • Average daylight in January: 9h and 34min

The month with the longest days is June (Average daylight: 15h and 9min).
The month with the shortest days is December (Average daylight: 9h and 13min).

  • Average sunshine in January: 3h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in January
Chesterton, IN

Average sunshine days in January - Chesterton, IN
  • Average sunshine days in January: 11.8 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in January
Chesterton, IN

Average UV index in January - Chesterton, IN
  • 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
Chesterton, IN

Average cloud cover in January - Chesterton, IN
  • Average cloud cover in January: 66

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in January
Chesterton, IN

Average visibility in January - Chesterton, IN
  • Average visibility in January: 5mi

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

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