January weather forecast
Mount Union, IA

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Weather in January

January, like December, is another subzero cold winter month in Mount Union, Iowa, with an average temperature fluctuating between 29.7°F (-1.3°C) and 17.4°F (-8.1°C).

Temperature

Mount Union records the coldest temperatures in January, averaging a high of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C).

Humidity

The average relative humidity in January in Mount Union, Iowa, is 81%.

Rainfall

In January, in Mount Union, the rain falls for 5.3 days. Throughout January, 1.42" (36mm) of precipitation is accumulated. In Mount Union, Iowa, during the entire year, the rain falls for 140.1 days and collects up to 29.92" (760mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Mount Union. The month with the most snowfall in Mount Union, Iowa, is January, when snow falls for 9.6 days and typically aggregates up to 4.76" (121mm) of snow.

Daylight

In January, the average length of the day is 9h and 37min.
On the first day of the month, sunrise is at 7:30 am and sunset at 4:47 pm. On the last day of January, in Mount Union, sunrise is at 7:17 am and sunset at 5:20 pm CST.

Sunshine

With an average of 4h of sunshine, January has the least sunshine of the year in Mount Union.

UV index

The month with the lowest UV index in Mount Union, Iowa, is January, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 1 in January translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What are the coldest months in Mount Union?

The month of January, characterized by an average high of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C), is recognized as the coldest.

How cold is it in Mount Union in January?

In Mount Union, in January, the average high-temperature is 29.7°F (-1.3°C), and the average low-temperature is 17.4°F (-8.1°C).

What is the average humidity in January in Mount Union?

In January, the average relative humidity in Mount Union is 81%.

How many days does it rain in January in Mount Union?

In Mount Union, during January, the rain falls for 5.3 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When does it snow the most in Mount Union?

The month with the most snowfall in Mount Union, Iowa, is January, when snow falls for 9.6 days and typically aggregates up to 4.76" (121mm) of snow.

How many days does it snow in January in Mount Union?

In Mount Union, in January, during 9.6 snowfall days, 4.76" (121mm) of snow is typically accumulated.

What is the average length of the day in January in Mount Union?

In January, the average day length in Mount Union, Iowa, is 9h and 37min.

When is the sunrise / sunset in January in Mount Union?

In January, on the first day of the month, sunrise is at 7:30 am and sunset at 4:47 pm. On the last day of the month, in Mount Union, Iowa, sunrise is at 7:17 am and sunset at 5:20 pm CST.

What is the month with the least sunshine in Mount Union?

With an average of 4h of sunshine, January has the least sunshine of the year in Mount Union.

How long on average sun shines in January in Mount Union?

In January, the average sunshine duration in Mount Union, Iowa, is 4h.

When is the lowest UV index in Mount Union?

January is the month with the lowest UV index in Mount Union, Iowa, with an average maximum UV index of 1.

What is the UV index reading in January in Mount Union?

The average daily maximum UV index in January in Mount Union is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
36°F 2.2°C
29.7°F -1.3°C
34.3°F 1.3°C
Average low temperature
24.6°F -4.1°C
17.4°F -8.1°C
21°F -6.1°C
Average pressure
30.11" 765mmHg
30.15" 766mmHg
30.13" 765mmHg
Average wind speed
10.1mph 16.3km/h
10.7mph 17.2km/h
10.5mph 16.9km/h
Average max. wind speed
10.7mph 17.2km/h
11.4mph 18.3km/h
11.2mph 18km/h
Average wind speed gusts
16.1mph 25.9km/h
17mph 27.4km/h
16.7mph 26.9km/h
Average humidity
80%
81%
81%
Average rainfall
1.38" 35mm
1.42" 36mm
1.38" 35mm
Average rainfall days
7.3
5.3
4.6
Average snowfall
1.65" 42mm
4.76" 121mm
4.02" 102mm
Average snowfall days
6
9.6
7.9
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
4h 3min
4h 0min
4h 2min
Average sunshine days
18
16.2
15.3
Average UV index
2
1
2
Average cloud cover
53%
56%
54%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Mount Union, IA

Average temperature in January - Mount Union, IA
  • Average high temperature in January: 29.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in January: 17.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

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Average pressure in January
Mount Union, IA

Average pressure in January - Mount Union, IA
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Mount Union, IA

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

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

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Average humidity in January
Mount Union, IA

Average humidity in January - Mount Union, IA
  • Average humidity in January: 81%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Mount Union, IA

Average rainfall in January - Mount Union, IA
  • Average rainfall in January: 1.42"

The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").

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Average rainfall days in January
Mount Union, IA

Average rainfall days in January - Mount Union, IA
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in January
Mount Union, IA

Average snowfall in January - Mount Union, IA
  • Average snowfall in January: 4.76"

The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Mount Union, IA

Average snowfall days in January - Mount Union, IA
  • Average snowfall days in January: 9.6 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Mount Union, IA

Average daylight in January / Average sunshine in January - Mount Union, 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

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

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Average sunshine days in January
Mount Union, IA

Average sunshine days in January - Mount Union, IA
  • Average sunshine days in January: 16.2 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in January
Mount Union, IA

Average UV index in January - Mount Union, 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
Mount Union, IA

Average cloud cover in January - Mount Union, IA
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).

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Average visibility in January
Mount Union, IA

Average visibility in January - Mount Union, IA
  • Average visibility in January: 6mi

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

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Mount Union, Iowa, USA

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