January weather forecast
New Castle, IN

Weather in January

January, the same as December, is a wintry winter month in New Castle, Indiana, with an average temperature ranging between max 32.2°F (0.1°C) and min 20.5°F (-6.4°C).

Temperature

With an average high-temperature of 32.2°F (0.1°C) and an average low-temperature of 20.5°F (-6.4°C), January is the coldest month.

Humidity

January and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In January, in New Castle, the rain falls for 8.9 days. Throughout January, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in New Castle, there are 169.4 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

Snowfall

Months with snowfall in New Castle, Indiana, are January through April, October through December. The month with the most snowfall in New Castle is January, when snow falls for 12.8 days and typically aggregates up to 3.31" (84mm) of snow.

Daylight

The average length of the day in January in New Castle is 9h and 43min.
On the first day of the month, sunrise is at 8:03 am and sunset at 5:27 pm. On the last day of January, in New Castle, sunrise is at 7:50 am and sunset at 5:59 pm EST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year.

UV index

The average daily maximum UV index in January in New Castle is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the coldest month in New Castle?

January is the coldest month in New Castle, Indiana, with an average high-temperature of 32.2°F (0.1°C) and an average low-temperature of 20.5°F (-6.4°C).

What is the most humid month in New Castle?

January and December, with an average relative humidity of 83%, are most humid months in New Castle, Indiana.

What is the average humidity in January in New Castle?

In New Castle, Indiana, the average relative humidity in January is 83%.

How much does it rain in New Castle in January?

In New Castle, in January, during 8.9 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

What is the snowiest month in New Castle?

The month with the most snowfall in New Castle is January, when snow falls for 12.8 days and typically aggregates up to 3.31" (84mm) of snow.

How much does it snow in New Castle in January?

In January, in New Castle, Indiana, it is snowing for 12.8 days. Throughout January, 3.31" (84mm) of snow is accumulated.

How many hours of daylight does New Castle have in January?

In New Castle, Indiana, the average day length in January is 9h and 43min.

What time are sunrise and sunset in January in New Castle?

On the first day of January in New Castle, sunrise is at 8:03 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:59 pm EST.

What is the month with the least sunshine in New Castle?

With an average of 3.6h of sunshine, January has the least sunshine of the year in New Castle.

How many hours of sunshine does New Castle have in January?

The average sunshine duration in January in New Castle is 3.6h.

What is the UV index reading in January in New Castle?

In New Castle, Indiana, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
New Castle, IN

Average temperature in January - New Castle, IN
  • Average high temperature in January: 32.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in January: 20.5°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 (20.5°F).

[Resources]

Average pressure in January
New Castle, IN

Average pressure in January - New Castle, IN
  • Average pressure in January: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in January
New Castle, IN

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

[Resources]

Average humidity in January
New Castle, IN

Average humidity in January - New Castle, IN
  • Average humidity in January: 83%

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

[Resources]

Average rainfall in January
New Castle, IN

Average rainfall in January - New Castle, IN
  • Average rainfall in January: 2.24"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is February (1.85").

[Resources]

Average rainfall days in January
New Castle, IN

Average rainfall days in January - New Castle, IN
  • Average rainfall days in January: 8.9 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (8.8 days).

[Resources]

Average snowfall in January
New Castle, IN

Average snowfall in January - New Castle, IN
  • Average snowfall in January: 3.31"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in January
New Castle, IN

Average snowfall days in January - New Castle, IN
  • Average snowfall days in January: 12.8 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
New Castle, IN

Average daylight in January / Average sunshine in January - New Castle, IN
  • Average daylight in January: 9h and 43min

The month with the longest days is June (Average daylight: 14h and 58min).
The month with the shortest days is December (Average daylight: 9h and 23min).

  • Average sunshine in January: 3h and 36min

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 36min).

[Resources]

Average sunshine days in January
New Castle, IN

Average sunshine days in January - New Castle, IN
  • Average sunshine days in January: 11 days

The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is May (9.1 days).

[Resources]

Average UV index in January
New Castle, IN

Average UV index in January - New Castle, IN
  • Average UV index in January: 2

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

[Resources]

Average cloud cover in January
New Castle, IN

Average cloud cover in January - New Castle, IN
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

[Resources]

Average visibility in January
New Castle, IN

Average visibility in January - New Castle, IN
  • Average visibility in January: 5mi

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location