January weather forecast
Decatur, NE

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Weather in January

January, like December, is another subzero cold winter month in Decatur, Nebraska, with an average temperature fluctuating between 15.1°F (-9.4°C) and 28°F (-2.2°C).

Temperature

January tends to be the coldest month, with temperatures averaging a daily high of 28°F (-2.2°C) and a low of 15.1°F (-9.4°C).

Humidity

The most humid month in Decatur, Nebraska, is January, with an average relative humidity of 82%.

Rainfall

January is the month with the least rainfall. Rain falls for 2.9 days and accumulates 0.67" (17mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Decatur, Nebraska, in January, during 8.9 snowfall days, 2.48" (63mm) of snow is typically accumulated. In Decatur, Nebraska, during the entire year, snow falls for 32.9 days and aggregates up to 11.69" (297mm) of snow.

Daylight

The average length of the day in January is 9h and 32min.
On the first day of January in Decatur, sunrise is at 7:52 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:37 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.4h of sunshine.

UV index

In Decatur, Nebraska, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in January transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the coldest month in Decatur?

January, with its high-temperature average of 28°F (-2.2°C) and a low-temperature average of 15.1°F (-9.4°C), is the coldest month in Decatur, Nebraska.

How cold is January in Decatur?

The high-temperature in Decatur during January is 28°F (-2.2°C) and the low-temperature is 15.1°F (-9.4°C).

What is the most humid month in Decatur?

January is the most humid month in Decatur, Nebraska, with an average relative humidity of 82%.

What is the average humidity in January in Decatur?

In Decatur, Nebraska, the average relative humidity in January is 82%.

What is the driest month in Decatur?

January is the month with the least rainfall. Rain falls for 2.9 days and accumulates 0.67" (17mm) of precipitation.

How much does it rain in Decatur in January?

In Decatur, Nebraska, in January, during 2.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

How many days does it snow in January in Decatur?

In January, it is snowing for 8.9 days. Throughout January, 2.48" (63mm) of snow is accumulated.

How many hours of daylight does Decatur have in January?

In January, the average day length in Decatur, Nebraska, is 9h and 32min.

When is the sunrise / sunset in January in Decatur?

In January, on the first day of the month, sunrise is at 7:52 am and sunset at 5:03 pm. On the last day of the month, in Decatur, sunrise is at 7:38 am and sunset at 5:37 pm CST.

What is the month with the least sunshine in Decatur?

January has the least sunshine of the year in Decatur, Nebraska, with an average of 4.4h of sunshine.

How long on average sun shines in January in Decatur?

In January, the average sunshine duration in Decatur, Nebraska, is 4.4h.

What is the UV index reading in January in Decatur?

The average daily maximum UV index in January in Decatur is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.2°F 0.1°C
28°F -2.2°C
32.2°F 0.1°C
Average low temperature
20.3°F -6.5°C
15.1°F -9.4°C
18.3°F -7.6°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.15" 766mmHg
Average wind speed
10mph 16.1km/h
10.4mph 16.7km/h
10.5mph 16.9km/h
Average max. wind speed
10.9mph 17.5km/h
11.2mph 18km/h
11.2mph 18km/h
Average wind speed gusts
16mph 25.7km/h
16.6mph 26.7km/h
16.2mph 26.1km/h
Average humidity
79%
82%
79%
Average rainfall
1.42" 36mm
0.67" 17mm
0.83" 21mm
Average rainfall days
3.5
2.9
2.7
Average snowfall
2.13" 54mm
2.48" 63mm
3.03" 77mm
Average snowfall days
7
8.9
7.5
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
4h 5min
4h 2min
5h 2min
Average sunshine days
20.7
19.4
17.3
Average UV index
1
2
1
Average cloud cover
48%
52%
48%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Decatur, NE

Average temperature in January - Decatur, NE
  • Average high temperature in January: 28°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in January: 15.1°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in January
Decatur, NE

Average pressure in January - Decatur, NE
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in January
Decatur, NE

Average wind speed in January - Decatur, NE
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

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Average humidity in January
Decatur, NE

Average humidity in January - Decatur, NE
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (66%).

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Average rainfall in January
Decatur, NE

Average rainfall in January - Decatur, NE
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in January
Decatur, NE

Average rainfall days in January - Decatur, NE
  • Average rainfall days in January: 2.9 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (2.7 days).

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Average snowfall in January
Decatur, NE

Average snowfall in January - Decatur, NE
  • Average snowfall in January: 2.48"

The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Decatur, NE

Average snowfall days in January - Decatur, NE
  • Average snowfall days in January: 8.9 days

The month with the highest number of snowfall days is January (8.9 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
Decatur, NE

Average daylight in January / Average sunshine in January - Decatur, NE
  • 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: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in January
Decatur, NE

Average sunshine days in January - Decatur, NE
  • Average sunshine days in January: 19.4 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12 days).

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Average UV index in January
Decatur, NE

Average UV index in January - Decatur, NE
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in January
Decatur, NE

Average cloud cover in January - Decatur, NE
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in January
Decatur, NE

Average visibility in January - Decatur, NE
  • Average visibility in January: 6mi

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

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Decatur, Nebraska, USA

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