January weather forecast
Polen, IA

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Weather in January

January, like December, is another subzero cold winter month in Polen, Iowa, with temperature in the range of an average low of 15.8°F (-9°C) and an average high of 29.1°F (-1.6°C).

Temperature

January, having an average high-temperature of 29.1°F (-1.6°C) and an average low-temperature of 15.8°F (-9°C), is the coldest month.

Humidity

January and June, with an average relative humidity of 82%, are the most humid months.

Rainfall

The month with the least rainfall in Polen is January, when the rain falls for 3.7 days and typically collects 0.75" (19mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Polen, Iowa. The month with the most snowfall is January, when snow falls for 8.7 days and typically aggregates up to 3.15" (80mm) of snow.

Daylight

The average length of the day in January in Polen is 9h and 38min.
On the first day of the month, sunrise is at 7:42 am and sunset at 5:00 pm. On the last day of January, in Polen, Iowa, sunrise is at 7:28 am and sunset at 5:33 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.4h of sunshine.

UV index

With an average maximum UV index of 1, January is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 1 in January suggests the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What are the coldest months in Polen?

January, known for its average high temperature of 29.1°F (-1.6°C) and an average low temperature of 15.8°F (-9°C), is the coldest month.

How cold is it in Polen in January?

In Polen, in January, the average high-temperature is 29.1°F (-1.6°C), and the average low-temperature is 15.8°F (-9°C).

What are the most humid months in Polen?

January and June, with an average relative humidity of 82%, are most humid months.

What is the average humidity in January in Polen?

In Polen, Iowa, the average relative humidity in January is 82%.

What is the driest month in Polen?

The month with the least rainfall in Polen is January, when the rain falls for 3.7 days and typically collects 0.75" (19mm) of precipitation.

How much does it rain in Polen in January?

In Polen, Iowa, in January, it is raining for 3.7 days, with typically 0.75" (19mm) of accumulated precipitation.

When does it snow the most in Polen?

January is the month with the most snowfall. Snow falls for 8.7 days and accumulates 3.15" (80mm) of snow.

How much does it snow in Polen in January?

In Polen, in January, snow falls for 8.7 days, with typically accumulated 3.15" (80mm) of snow.

How many hours of daylight does Polen have in January?

In Polen, the average day length in January is 9h and 38min.

When are sunrise and sunset in January in Polen?

In January, on the first day of the month, sunrise is at 7:42 am and sunset at 5:00 pm. On the last day of the month, in Polen, sunrise is at 7:28 am and sunset at 5:33 pm CST.

What is the month with the least sunshine in Polen?

With an average of 4.4h of sunshine, January has the least sunshine of the year in Polen.

How long on average sun shines in January in Polen?

The average sunshine duration in January in Polen, Iowa, is 4.4h.

What is the month with the lowest UV index in Polen?

With an average maximum UV index of 1, January is the month with the lowest UV index in Polen.

How high is the UV index in January in Polen?

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
34.3°F 1.3°C
29.1°F -1.6°C
33.3°F 0.7°C
Average low temperature
22.3°F -5.4°C
15.8°F -9°C
18.9°F -7.3°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.14" 766mmHg
Average wind speed
10.3mph 16.6km/h
10.7mph 17.2km/h
10.7mph 17.2km/h
Average max. wind speed
11mph 17.7km/h
11.5mph 18.5km/h
11.4mph 18.3km/h
Average wind speed gusts
16.3mph 26.2km/h
17.1mph 27.5km/h
16.8mph 27km/h
Average humidity
79%
82%
81%
Average rainfall
0.79" 20mm
0.75" 19mm
0.79" 20mm
Average rainfall days
5
3.7
4.3
Average snowfall
1.69" 43mm
3.15" 80mm
2.83" 72mm
Average snowfall days
6.5
8.7
8
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
4h 5min
4h 2min
4h 5min
Average sunshine days
19.4
18.3
16.6
Average UV index
2
1
2
Average cloud cover
48%
53%
50%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Polen, IA

Average temperature in January - Polen, IA
  • Average high temperature in January: 29.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in January: 15.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in January
Polen, IA

Average pressure in January - Polen, 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 (29.88"Hg).

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Average wind speed in January
Polen, IA

Average wind speed in January - Polen, IA
  • Average wind speed in January: 10.7mph

The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in January
Polen, IA

Average humidity in January - Polen, IA
  • Average humidity in January: 82%

The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Polen, IA

Average rainfall in January - Polen, IA
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in January
Polen, IA

Average rainfall days in January - Polen, IA
  • Average rainfall days in January: 3.7 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in January
Polen, IA

Average snowfall in January - Polen, IA
  • Average snowfall in January: 3.15"

The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Polen, IA

Average snowfall days in January - Polen, IA
  • Average snowfall days in January: 8.7 days

The month with the highest number of snowfall days is January (8.7 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
Polen, IA

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in January
Polen, IA

Average sunshine days in January - Polen, IA
  • Average sunshine days in January: 18.3 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in January
Polen, IA

Average UV index in January - Polen, IA
  • Average UV index in January: 1

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

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Average cloud cover in January
Polen, IA

Average cloud cover in January - Polen, IA
  • Average cloud cover in January: 53

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and September (Cloud cover 30).

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Average visibility in January
Polen, IA

Average visibility in January - Polen, 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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Polen, Iowa, USA

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