January weather forecast
Ionia, IA

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Weather in January

January, like December, is another subzero cold winter month in Ionia, Iowa, with an average temperature fluctuating between 22.5°F (-5.3°C) and 10.6°F (-11.9°C).

Temperature

January, characterized by an average high temperature of 22.5°F (-5.3°C) and a low temperature of 10.6°F (-11.9°C), is generally the coldest month.

Humidity

With an average relative humidity of 89%, January is the most humid month in Ionia.

Rainfall

January is the month with the least rainfall. Rain falls for 2.8 days and accumulates 0.31" (8mm) of precipitation.

Snowfall

Months with snowfall in Ionia are January through May, October through December. In January, in Ionia, Iowa, it is snowing for 9.1 days. Throughout January, 1.5" (38mm) of snow is accumulated. In Ionia, during the entire year, snow falls for 36.8 days and aggregates up to 6.22" (158mm) of snow.

Daylight

In Ionia, the average length of the day in January is 9h and 26min.
On the first day of January in Ionia, Iowa, sunrise is at 7:41 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:20 pm CST.

Sunshine

January has the least sunshine of the year in Ionia, with an average of 3.5h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Ionia, Iowa. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the coldest time of year in Ionia?

The coldest period tends to be January, when average temperatures fluctuate between a high of 22.5°F (-5.3°C) and a low of 10.6°F (-11.9°C).

How cold is it in Ionia in January?

The average high-temperature, in January, in Ionia, is 22.5°F (-5.3°C), while the average low-temperature is 10.6°F (-11.9°C).

What is the most humid month in Ionia?

The most humid month in Ionia is January, with an average relative humidity of 89%.

What is the average humidity in January in Ionia?

In January, the average relative humidity in Ionia, Iowa, is 89%.

What is the driest month in Ionia?

The month with the least rainfall in Ionia, Iowa, is January, when the rain falls for 2.8 days and typically collects 0.31" (8mm) of precipitation.

How many days does it rain in January in Ionia?

In Ionia, in January, it is raining for 2.8 days, with typically 0.31" (8mm) of accumulated precipitation.

How much does it snow in Ionia in January?

In January, in Ionia, it is snowing for 9.1 days. Throughout January, 1.5" (38mm) of snow is accumulated.

What is the average length of the day in January in Ionia?

The average day length in January is 9h and 26min.

What time are sunrise and sunset in January in Ionia?

In January, on the first day of the month, sunrise is at 7:41 am and sunset at 4:45 pm. On the last day of the month, in Ionia, Iowa, sunrise is at 7:26 am and sunset at 5:20 pm CST.

What is the month with the least sunshine in Ionia?

With an average of 3.5h of sunshine, January has the least sunshine of the year in Ionia.

How many hours of sunshine does Ionia have in January?

In Ionia, the average sunshine duration in January is 3.5h.

What are the months with the lowest UV index in Ionia?

The months with the lowest UV index in Ionia, Iowa, are January, February, November and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Ionia?

In January, the average daily maximum UV index in Ionia is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
28.4°F -2°C
22.5°F -5.3°C
26.1°F -3.3°C
Average low temperature
18.3°F -7.6°C
10.6°F -11.9°C
13.5°F -10.3°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
15.9mph 25.6km/h
16.7mph 26.9km/h
16.7mph 26.9km/h
Average humidity
85%
89%
88%
Average rainfall
0.43" 11mm
0.31" 8mm
0.39" 10mm
Average rainfall days
3.5
2.8
2
Average snowfall
0.91" 23mm
1.5" 38mm
1.85" 47mm
Average snowfall days
9
9.1
7.5
Average daylight
9h 1min
9h 2min
10h 4min
Average sunshine
4h 1min
3h 3min
3h 5min
Average sunshine days
20.9
21.7
19.9
Average UV index
1
1
1
Average cloud cover
60%
63%
60%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Ionia, IA

Average temperature in January - Ionia, IA
  • Average high temperature in January: 22.5°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in January: 10.6°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

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Average pressure in January
Ionia, IA

Average pressure in January - Ionia, 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
Ionia, IA

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

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

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Average humidity in January
Ionia, IA

Average humidity in January - Ionia, IA
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
Ionia, IA

Average rainfall in January - Ionia, IA
  • Average rainfall in January: 0.31"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in January
Ionia, IA

Average rainfall days in January - Ionia, IA
  • Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2 days).

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Average snowfall in January
Ionia, IA

Average snowfall in January - Ionia, IA
  • Average snowfall in January: 1.5"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Ionia, IA

Average snowfall days in January - Ionia, IA
  • Average snowfall days in January: 9.1 days

The month with the highest number of snowfall days is January (9.1 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
Ionia, IA

Average daylight in January / Average sunshine in January - Ionia, IA
  • Average daylight in January: 9h and 2min

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

  • Average sunshine in January: 3h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in January
Ionia, IA

Average sunshine days in January - Ionia, IA
  • Average sunshine days in January: 21.7 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is June (13.3 days).

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Average UV index in January
Ionia, IA

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

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

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Average cloud cover in January
Ionia, IA

Average cloud cover in January - Ionia, IA
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Ionia, IA

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

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