January weather forecast
Red Line, IA

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Weather in January

January, like December, is a freezing cold winter month in Red Line, Iowa, with temperature in the range of an average low of 14.5°F (-9.7°C) and an average high of 27.3°F (-2.6°C).

Temperature

Red Line, Iowa, reaches its lowest average temperatures in January, measuring 27.3°F (-2.6°C) at the peak and 14.5°F (-9.7°C) at the lowest.

Humidity

The most humid month is January, with an average relative humidity of 83%.

Rainfall

The month with the least rainfall in Red Line, Iowa, is January, when the rain falls for 3.2 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In January, in Red Line, it is snowing for 8.3 days. Throughout January, 1.57" (40mm) of snow is accumulated. In Red Line, Iowa, during the entire year, snow falls for 31.5 days and aggregates up to 7.13" (181mm) of snow.

Daylight

In January, the average length of the day is 9h and 34min.
On the first day of the month, sunrise is at 7:47 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:33 am and sunset at 5:34 pm CST.

Sunshine

The month with the least sunshine in Red Line is January, with an average of 4.5h of sunshine.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 2 during January leads to these instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What month is the coldest in Red Line?

The coldest period in Red Line, Iowa, tends to be January, when average temperatures fluctuate between a high of 27.3°F (-2.6°C) and a low of 14.5°F (-9.7°C).

How cold is January in Red Line?

In Red Line, 27.3°F (-2.6°C) is the average high-temperature and 14.5°F (-9.7°C) is the average low-temperature during January.

What is the most humid month in Red Line?

January is the most humid month in Red Line, Iowa, with an average relative humidity of 83%.

What is the average humidity in January in Red Line?

In January, the average relative humidity in Red Line, Iowa, is 83%.

What is the driest month in Red Line?

January is the month with the least rainfall in Red Line. Rain falls for 3.2 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain in Red Line in January?

In Red Line, Iowa, during January, the rain falls for 3.2 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How many days does it snow in January in Red Line?

In Red Line, during January, snow falls for 8.3 days and regularly aggregates up to 1.57" (40mm) of snow.

How many hours of daylight does Red Line have in January?

In January, the average day length is 9h and 34min.

When are sunrise and sunset in January in Red Line?

In January, on the first day of the month, sunrise is at 7:47 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:34 pm CST.

What is the month with the least sunshine in Red Line?

With an average of 4.5h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Red Line have in January?

In Red Line, Iowa, the average sunshine duration in January is 4.5h.

What is the month with the lowest UV index in Red Line?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Red Line.

What is the UV index reading in January in Red Line?

In January, the average daily maximum UV index in Red Line is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
27.3°F -2.6°C
31.5°F -0.3°C
Average low temperature
20.8°F -6.2°C
14.5°F -9.7°C
18°F -7.8°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.14" 766mmHg
Average wind speed
10.1mph 16.3km/h
10.6mph 17.1km/h
10.6mph 17.1km/h
Average max. wind speed
10.9mph 17.5km/h
11.4mph 18.3km/h
11.3mph 18.2km/h
Average wind speed gusts
16.3mph 26.2km/h
17mph 27.4km/h
16.7mph 26.9km/h
Average humidity
79%
83%
81%
Average rainfall
0.71" 18mm
0.43" 11mm
0.47" 12mm
Average rainfall days
4.2
3.2
2.8
Average snowfall
1.06" 27mm
1.57" 40mm
2.09" 53mm
Average snowfall days
6.1
8.3
7.3
Average daylight
9h 1min
9h 4min
10h 4min
Average sunshine
4h 5min
4h 3min
5h 1min
Average sunshine days
21.6
20.1
17.8
Average UV index
2
2
2
Average cloud cover
48%
52%
49%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Red Line, IA

Average temperature in January - Red Line, IA
  • Average high temperature in January: 27.3°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in January: 14.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

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Average pressure in January
Red Line, IA

Average pressure in January - Red Line, IA
  • 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 (29.87"Hg).

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Average wind speed in January
Red Line, IA

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

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average humidity in January
Red Line, IA

Average humidity in January - Red Line, IA
  • Average humidity in January: 83%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in January
Red Line, IA

Average rainfall in January - Red Line, IA
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
Red Line, IA

Average rainfall days in January - Red Line, IA
  • Average rainfall days in January: 3.2 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in January
Red Line, IA

Average snowfall in January - Red Line, IA
  • Average snowfall in January: 1.57"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Red Line, IA

Average snowfall days in January - Red Line, IA
  • Average snowfall days in January: 8.3 days

The month with the highest number of snowfall days is January (8.3 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
Red Line, IA

Average daylight in January / Average sunshine in January - Red Line, IA
  • Average daylight in January: 9h and 4min

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 3min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in January
Red Line, IA

Average sunshine days in January - Red Line, IA
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in January
Red Line, IA

Average UV index in January - Red Line, IA
  • 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 January, February, October, November and December (UV index 2).

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Average cloud cover in January
Red Line, IA

Average cloud cover in January - Red Line, IA
  • 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 27).

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Average visibility in January
Red Line, IA

Average visibility in January - Red Line, IA
  • 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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Red Line, Iowa, USA

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