January weather forecast
Shellsburg, IA

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Weather in January

January, the same as December, in Shellsburg, Iowa, is another subzero cold winter month, with an average temperature ranging between max 25.3°F (-3.7°C) and min 13.5°F (-10.3°C).

Temperature

January brings the lowest temperatures, with an average high of 25.3°F (-3.7°C) and an average low of 13.5°F (-10.3°C).

Humidity

The most humid month in Shellsburg is January, with an average relative humidity of 86%.

Rainfall

The months with the least rainfall are January and February Rain falls for 4.8 days and accumulates 1.18" (30mm) of rain.

Snowfall

Months with snowfall in Shellsburg are January through May, October through December. January is the month with the most snowfall. Snow falls for 11.8 days and accumulates 5.43" (138mm) of snow.

Daylight

The average length of the day in January in Shellsburg is 9h and 32min.
On the first day of January, sunrise is at 7:35 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:20 pm CST.

Sunshine

January has the least sunshine of the year in Shellsburg, with an average of 3.9h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during January translates into the following guidance:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What are the coldest months in Shellsburg?

In Shellsburg, January is the month with the lowest recorded average temperatures, measuring a high of 25.3°F (-3.7°C) and a low of 13.5°F (-10.3°C).

How cold is it in Shellsburg in January?

The average high-temperature and low-temperature in Shellsburg, Iowa, during January are 25.3°F (-3.7°C) and 13.5°F (-10.3°C) respectively.

What is the most humid month in Shellsburg?

With an average relative humidity of 86%, January is the most humid month.

What is the average humidity in January in Shellsburg?

In Shellsburg, Iowa, the average relative humidity in January is 86%.

What is the driest month in Shellsburg?

January and February are months with the least rain in Shellsburg when the rain falls for 4.8 days and typically aggregates up to 1.18" (30mm) of rain.

How many days does it rain in January in Shellsburg?

In Shellsburg, Iowa, during January, the rain falls for 4.8 days and regularly aggregates up to 1.18" (30mm) of precipitation.

What is the snowiest month in Shellsburg?

The month with the most snowfall in Shellsburg is January, when snow falls for 11.8 days and typically aggregates up to 5.43" (138mm) of snow.

How many days does it snow in January in Shellsburg?

In Shellsburg, in January, during 11.8 snowfall days, 5.43" (138mm) of snow is typically accumulated.

How many hours of daylight does Shellsburg have in January?

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

When are sunrise and sunset in January in Shellsburg?

In January, on the first day of the month, sunrise is at 7:35 am and sunset at 4:46 pm. On the last day of the month, in Shellsburg, Iowa, sunrise is at 7:21 am and sunset at 5:20 pm CST.

What is the month with the least sunshine in Shellsburg?

The month with the least sunshine is January, with an average of 3.9h of sunshine.

How many hours of sunshine does Shellsburg have in January?

In Shellsburg, Iowa, the average sunshine duration in January is 3.9h.

What is the UV index reading in January in Shellsburg?

In January, the average daily maximum UV index in Shellsburg is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.2°F 0.1°C
25.3°F -3.7°C
29.5°F -1.4°C
Average low temperature
21.7°F -5.7°C
13.5°F -10.3°C
16.3°F -8.7°C
Average pressure
30.11" 765mmHg
30.14" 766mmHg
30.13" 765mmHg
Average wind speed
10.1mph 16.3km/h
10.6mph 17.1km/h
10.5mph 16.9km/h
Average max. wind speed
10.8mph 17.4km/h
11.2mph 18km/h
11.2mph 18km/h
Average wind speed gusts
15.8mph 25.4km/h
16.7mph 26.9km/h
16.6mph 26.7km/h
Average humidity
82%
86%
85%
Average rainfall
1.34" 34mm
1.18" 30mm
1.18" 30mm
Average rainfall days
6.7
4.8
5
Average snowfall
2.8" 71mm
5.43" 138mm
4.65" 118mm
Average snowfall days
9.1
11.8
9.6
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
4h 2min
3h 5min
4h 0min
Average sunshine days
17.5
15.9
14.4
Average UV index
1
2
2
Average cloud cover
55%
59%
56%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Shellsburg, IA

Average temperature in January - Shellsburg, IA
  • Average high temperature in January: 25.3°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).

  • Average low temperature in January: 13.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in January
Shellsburg, IA

Average pressure in January - Shellsburg, IA
  • 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 (29.89"Hg).

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Average wind speed in January
Shellsburg, IA

Average wind speed in January - Shellsburg, IA
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in January
Shellsburg, IA

Average humidity in January - Shellsburg, IA
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
Shellsburg, IA

Average rainfall in January - Shellsburg, IA
  • Average rainfall in January: 1.18"

The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").

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Average rainfall days in January
Shellsburg, IA

Average rainfall days in January - Shellsburg, IA
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in January
Shellsburg, IA

Average snowfall in January - Shellsburg, IA
  • Average snowfall in January: 5.43"

The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Shellsburg, IA

Average snowfall days in January - Shellsburg, IA
  • 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).

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Average daylight in January /
Average sunshine in January
Shellsburg, IA

Average daylight in January / Average sunshine in January - Shellsburg, IA
  • 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in January
Shellsburg, IA

Average sunshine days in January - Shellsburg, IA
  • Average sunshine days in January: 15.9 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).

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Average UV index in January
Shellsburg, IA

Average UV index in January - Shellsburg, IA
  • Average UV index in January: 2

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

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Average cloud cover in January
Shellsburg, IA

Average cloud cover in January - Shellsburg, IA
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in January
Shellsburg, IA

Average visibility in January - Shellsburg, IA
  • Average visibility in January: 5mi

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

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Shellsburg, Iowa, USA

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