January weather forecast
Arlington, IN

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Weather in January

January, like December, in Arlington, Indiana, is another cold winter month, with an average temperature fluctuating between 33.8°F (1°C) and 21.6°F (-5.8°C).

Temperature

The coldest time of the year is January, with temperatures averaging a high of 33.8°F (1°C) and a low of 21.6°F (-5.8°C).

Humidity

The months with the highest humidity are January, July and December, with an average relative humidity of 82%.

Rainfall

In Arlington, in January, during 10.4 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 172.9 rainfall days, and 34.88" (886mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Arlington, in January, during 11.8 snowfall days, 3.03" (77mm) of snow is typically accumulated. Throughout the year, there are 42.9 snowfall days, and 14.61" (371mm) of snow is accumulated.

Daylight

In Arlington, Indiana, the average length of the day in January is 9h and 45min.
On the first day of the month, sunrise is at 8:02 am and sunset at 5:28 pm. On the last day of January, sunrise is at 7:50 am and sunset at 6:00 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 3.7h of sunshine.

UV index

In Arlington, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during January leads to these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. When the Sun is at its strongest around midday, find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

What are the coldest months?

January, known for its average high temperature of 33.8°F (1°C) and an average low temperature of 21.6°F (-5.8°C), is the coldest month.

How cold is it in January?

The average high-temperature and low-temperature during January are 33.8°F (1°C) and 21.6°F (-5.8°C) respectively.

What are the most humid months?

The months with the highest humidity are January, July and December, with an average relative humidity of 82%.

What is the average humidity in January?

In January, the average relative humidity is 82%.

How many days does it rain in January?

In Arlington, in January, during 10.4 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Arlington, in January, snow falls for 11.8 days, with typically accumulated 3.03" (77mm) of snow.

How many hours of daylight does Arlington have in January?

In Arlington, Indiana, the average day length in January is 9h and 45min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 8:02 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 6:00 pm EST.

What is the month with the least sunshine in Arlington?

With an average of 3.7h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Arlington have in January?

The average sunshine duration in January is 3.7h.

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents 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
Arlington, IN

Average temperature in January - Arlington, IN
  • Average high temperature in January: 33.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in January
Arlington, IN

Average pressure in January - Arlington, IN
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Arlington, IN

Average wind speed in January - Arlington, IN
  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in January
Arlington, IN

Average humidity in January - Arlington, IN
  • Average humidity in January: 82%

The months with the highest relative humidity are January, July and December (82%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in January
Arlington, IN

Average rainfall in January - Arlington, IN
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in January
Arlington, IN

Average rainfall days in January - Arlington, IN
  • Average rainfall days in January: 10.4 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (9.1 days).

Average snowfall in January
Arlington, IN

Average snowfall in January - Arlington, IN
  • Average snowfall in January: 3.03"

The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Arlington, IN

Average snowfall days in January - Arlington, IN
  • Average snowfall days in January: 11.8 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in January
Arlington, IN

Average sunshine days in January - Arlington, IN
  • Average sunshine days in January: 11.6 days

The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in January
Arlington, IN

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

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

Average cloud cover in January
Arlington, IN

Average cloud cover in January - Arlington, IN
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in January
Arlington, IN

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

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

Arlington, Indiana, USA

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