January weather forecast
Saint Donatus, IA

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Weather in January

January, the same as December, in Saint Donatus, Iowa, is a freezing cold winter month, with temperature in the range of an average low of 13.1°F (-10.5°C) and an average high of 25.7°F (-3.5°C).

Temperature

January is the month that records the lowest temperatures, with averages ranging from a high of 25.7°F (-3.5°C) to a low of 13.1°F (-10.5°C).

Humidity

January is the most humid month, with an average relative humidity of 87%.

Rainfall

January is the month with the least rainfall. Rain falls for 5.4 days and accumulates 1.22" (31mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 10.6 days and typically aggregates up to 4.61" (117mm) of snow.

Daylight

In January, the average length of the day is 9h and 30min.
On the first day of January, sunrise is at 7:31 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:14 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.7h of sunshine.

UV index

The months with the lowest UV index in Saint Donatus are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 1 during January translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are the coldest months in Saint Donatus?

Saint Donatus's coldest weather arrives in January, when temperatures average a high of 25.7°F (-3.5°C) and a low of 13.1°F (-10.5°C).

How cold is it in Saint Donatus in January?

The high-temperature, in January, in Saint Donatus, is 25.7°F (-3.5°C), while the low-temperature averages to 13.1°F (-10.5°C).

What is the most humid month in Saint Donatus?

January is the most humid month, with an average relative humidity of 87%.

What is the average humidity in January in Saint Donatus?

In Saint Donatus, Iowa, the average relative humidity in January is 87%.

What is the driest month in Saint Donatus?

January is the month with the least rainfall in Saint Donatus, Iowa. Rain falls for 5.4 days and accumulates 1.22" (31mm) of precipitation.

How much does it rain in Saint Donatus in January?

In Saint Donatus, Iowa, in January, it is raining for 5.4 days, with typically 1.22" (31mm) of accumulated precipitation.

When does it snow the most in Saint Donatus?

January is the month with the most snowfall in Saint Donatus. Snow falls for 10.6 days and accumulates 4.61" (117mm) of snow.

How much does it snow in Saint Donatus in January?

In Saint Donatus, during January, snow falls for 10.6 days and regularly aggregates up to 4.61" (117mm) of snow.

What is the average length of the day in January in Saint Donatus?

The average day length in January is 9h and 30min.

When are sunrise and sunset in January in Saint Donatus?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 4:39 pm. On the last day of the month, in Saint Donatus, Iowa, sunrise is at 7:16 am and sunset at 5:14 pm CST.

What is the month with the least sunshine in Saint Donatus?

The month with the least sunshine in Saint Donatus is January, with an average of 3.7h of sunshine.

How long on average sun shines in January in Saint Donatus?

The average sunshine duration in January in Saint Donatus, Iowa, is 3.7h.

What are the months with the lowest UV index in Saint Donatus?

The months with the lowest UV index in Saint Donatus are January and December, with an average maximum UV index of 1.

How high is the UV index in January in Saint Donatus?

The average daily maximum UV index in January in Saint Donatus is 1. A UV Index estimate 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
32°F 0°C
25.7°F -3.5°C
29.3°F -1.5°C
Average low temperature
21.6°F -5.8°C
13.1°F -10.5°C
16.2°F -8.8°C
Average pressure
30.1" 765mmHg
30.13" 765mmHg
30.12" 765mmHg
Average wind speed
9.6mph 15.4km/h
9.9mph 15.9km/h
10.1mph 16.3km/h
Average max. wind speed
10.3mph 16.6km/h
10.6mph 17.1km/h
10.6mph 17.1km/h
Average wind speed gusts
15.1mph 24.3km/h
16mph 25.7km/h
16.1mph 25.9km/h
Average humidity
82%
87%
86%
Average rainfall
1.5" 38mm
1.22" 31mm
1.34" 34mm
Average rainfall days
6.5
5.4
4.5
Average snowfall
2.72" 69mm
4.61" 117mm
4.17" 106mm
Average snowfall days
8.7
10.6
9.3
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
4h 1min
3h 4min
3h 5min
Average sunshine days
17.1
16.6
15.3
Average UV index
1
1
2
Average cloud cover
57%
61%
58%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Saint Donatus, IA

Average temperature in January - Saint Donatus, IA
  • Average high temperature in January: 25.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.7°F).

  • Average low temperature in January: 13.1°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure in January
Saint Donatus, IA

Average pressure in January - Saint Donatus, IA
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Saint Donatus, IA

Average wind speed in January - Saint Donatus, IA
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in January
Saint Donatus, IA

Average humidity in January - Saint Donatus, IA
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in January
Saint Donatus, IA

Average rainfall in January - Saint Donatus, IA
  • Average rainfall in January: 1.22"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.22").

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Average rainfall days in January
Saint Donatus, IA

Average rainfall days in January - Saint Donatus, IA
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (4.5 days).

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Average snowfall in January
Saint Donatus, IA

Average snowfall in January - Saint Donatus, IA
  • Average snowfall in January: 4.61"

The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Saint Donatus, IA

Average snowfall days in January - Saint Donatus, IA
  • Average snowfall days in January: 10.6 days

The month with the highest number of snowfall days is January (10.6 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
Saint Donatus, IA

Average daylight in January / Average sunshine in January - Saint Donatus, 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 6min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Saint Donatus, IA

Average sunshine days in January - Saint Donatus, IA
  • Average sunshine days in January: 16.6 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.5 days).

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Average UV index in January
Saint Donatus, IA

Average UV index in January - Saint Donatus, IA
  • Average UV index in January: 1

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

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Average cloud cover in January
Saint Donatus, IA

Average cloud cover in January - Saint Donatus, IA
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).

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Average visibility in January
Saint Donatus, IA

Average visibility in January - Saint Donatus, 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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Saint Donatus, Iowa, USA

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