January weather forecast
Atalissa, IA

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Weather in January

January, like December, is another subzero cold winter month in Atalissa, Iowa, with an average temperature ranging between min 15.4°F (-9.2°C) and max 27.5°F (-2.5°C).

Temperature

Atalissa witnesses the coldest weather in January, with temperatures averaging a high of 27.5°F (-2.5°C) and a low of 15.4°F (-9.2°C).

Humidity

In Atalissa, the average relative humidity in January is 83%.

Rainfall

In January, the rain falls for 2.8 days. Throughout January, 0.31" (8mm) of precipitation is accumulated. In Atalissa, during the entire year, the rain falls for 92.5 days and collects up to 7.68" (195mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Atalissa. January is the month with the most snowfall in Atalissa, Iowa. Snow falls for 6.4 days and accumulates 1.1" (28mm) of snow.

Daylight

In January, the average length of the day is 9h and 35min.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:18 pm CST.

Sunshine

January has the least sunshine of the year in Atalissa, with an average of 4.1h of sunshine.

UV index

The months with the lowest UV index in Atalissa, Iowa, are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 1 in January, converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What are the coldest months in Atalissa?

Atalissa, Iowa, witnesses the coldest weather in January, with temperatures averaging a high of 27.5°F (-2.5°C) and a low of 15.4°F (-9.2°C).

How cold is January in Atalissa?

In January, in Atalissa, the average high-temperature is 27.5°F (-2.5°C), and the average low-temperature is 15.4°F (-9.2°C).

What is the average humidity in January in Atalissa?

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

How much does it rain in Atalissa in January?

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

What is the snowiest month in Atalissa?

The month with the most snowfall in Atalissa, Iowa, is January, when snow falls for 6.4 days and typically aggregates up to 1.1" (28mm) of snow.

How much does it snow in Atalissa in January?

In January, in Atalissa, it is snowing for 6.4 days. Throughout January, 1.1" (28mm) of snow is accumulated.

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

In January, the average day length in Atalissa, Iowa, is 9h and 35min.

What time are sunrise and sunset in January in Atalissa?

On the first day of January in Atalissa, sunrise is at 7:31 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:18 pm CST.

What is the month with the least sunshine in Atalissa?

With an average of 4.1h of sunshine, January has the least sunshine of the year in Atalissa.

How long on average sun shines in January in Atalissa?

The average sunshine duration in January is 4.1h.

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

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

What is the UV index reading in January in Atalissa?

In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
34°F 1.1°C
27.5°F -2.5°C
32.4°F 0.2°C
Average low temperature
23°F -5°C
15.4°F -9.2°C
19.2°F -7.1°C
Average pressure
30.11" 765mmHg
30.14" 766mmHg
30.12" 765mmHg
Average wind speed
9.8mph 15.8km/h
10.4mph 16.7km/h
10.4mph 16.7km/h
Average max. wind speed
10.5mph 16.9km/h
11.1mph 17.9km/h
11.1mph 17.9km/h
Average wind speed gusts
15.7mph 25.3km/h
16.7mph 26.9km/h
16.4mph 26.4km/h
Average humidity
81%
83%
82%
Average rainfall
0.31" 8mm
0.31" 8mm
0.28" 7mm
Average rainfall days
3.8
2.8
3.3
Average snowfall
0.16" 4mm
1.1" 28mm
1.02" 26mm
Average snowfall days
4.3
6.4
5.8
Average daylight
9h 1min
9h 4min
10h 4min
Average sunshine
4h 3min
4h 1min
4h 2min
Average sunshine days
24.4
23.8
21.2
Average UV index
1
1
2
Average cloud cover
53%
56%
54%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Atalissa, IA

Average temperature in January - Atalissa, IA
  • Average high temperature in January: 27.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in January: 15.4°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in January
Atalissa, IA

Average pressure in January - Atalissa, 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 (29.9"Hg).

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Average wind speed in January
Atalissa, IA

Average wind speed in January - Atalissa, IA
  • Average wind speed in January: 10.4mph

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 (6.8mph).

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Average humidity in January
Atalissa, IA

Average humidity in January - Atalissa, IA
  • Average humidity in January: 83%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Atalissa, IA

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

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is February (0.28").

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Average rainfall days in January
Atalissa, IA

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

The month with the highest number of rainy days is June (13.2 days).
The month with the least rainy days is January (2.8 days).

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Average snowfall in January
Atalissa, IA

Average snowfall in January - Atalissa, IA
  • Average snowfall in January: 1.1"

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Atalissa, IA

Average snowfall days in January - Atalissa, IA
  • Average snowfall days in January: 6.4 days

The month with the highest number of snowfall days is January (6.4 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
Atalissa, IA

Average daylight in January / Average sunshine in January - Atalissa, 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 12min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in January
Atalissa, IA

Average sunshine days in January - Atalissa, IA
  • Average sunshine days in January: 23.8 days

The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is June (14.8 days).

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Average UV index in January
Atalissa, IA

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

The months with the highest UV index are June and 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
Atalissa, IA

Average cloud cover in January - Atalissa, IA
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in January
Atalissa, IA

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

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