January weather forecast
Swan, IN

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Weather in January

January, like December, is another subzero cold winter month in Swan, Indiana, with an average temperature fluctuating between 18.7°F (-7.4°C) and 30.2°F (-1°C).

Temperature

The coldest temperatures occur during January, when averages reach a peak of 30.2°F (-1°C) and a low of 18.7°F (-7.4°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 85%.

Rainfall

In Swan, during January, the rain falls for 5.3 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 125.3 rainfall days, and 13.11" (333mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Swan, in January, during 8.8 snowfall days, 1.1" (28mm) of snow is typically accumulated. In Swan, during the entire year, snow falls for 32.5 days and aggregates up to 5.75" (146mm) of snow.

Daylight

In January, the average length of the day is 9h and 36min.
On the first day of January in Swan, sunrise is at 8:06 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:55 pm EST.

Sunshine

With an average of 3.3h of sunshine, January has the least sunshine of the year.

UV index

The average daily maximum UV index in January in Swan is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

Swan's January weather, with an average high temperature of 30.2°F (-1°C) and an average low temperature of 18.7°F (-7.4°C), tends to be the coldest of the year.

How cold is it in Swan in January?

Swan in January has an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 18.7°F (-7.4°C).

What are the most humid months?

January and February, with an average relative humidity of 85%, are most humid months.

What is the average humidity in January?

In Swan, the average relative humidity in January is 85%.

How many days does it rain in January?

In January, the rain falls for 5.3 days. Throughout January, 0.75" (19mm) of precipitation is accumulated.

How much does it snow in January?

In Swan, in January, during 8.8 snowfall days, 1.1" (28mm) of snow is typically accumulated.

How many hours of daylight does Swan have in January?

In January, the average day length is 9h and 36min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 8:06 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:55 pm EST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.3h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.3h.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Swan, IN

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

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in January: 18.7°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in January
Swan, IN

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

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

Average wind speed in January
Swan, IN

Average wind speed in January - Swan, IN
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in January
Swan, IN

Average humidity in January - Swan, IN
  • Average humidity in January: 85%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).

Average rainfall in January
Swan, IN

Average rainfall in January - Swan, IN
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in January
Swan, IN

Average rainfall days in January - Swan, IN
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in January
Swan, IN

Average snowfall in January - Swan, IN
  • Average snowfall in January: 1.1"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Swan, IN

Average snowfall days in January - Swan, IN
  • Average snowfall days in January: 8.8 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Swan, IN
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in January
Swan, IN

Average sunshine days in January - Swan, IN
  • Average sunshine days in January: 19.2 days

The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (12 days).

Average UV index in January
Swan, IN

Average UV index in January - Swan, IN
  • Average UV index in January: 2

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Swan, IN

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

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in January
Swan, IN

Average visibility in January - Swan, IN
  • Average visibility in January: 6mi

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

Swan, Indiana, USA

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