January weather forecast
Sloan, IA

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Weather in January

January, like December, is another subzero cold winter month in Sloan, Iowa, with an average temperature fluctuating between 13.5°F (-10.3°C) and 27°F (-2.8°C).

Temperature

January, with its high-temperature average of 27°F (-2.8°C) and a low-temperature average of 13.5°F (-10.3°C), is the coldest month.

Humidity

The most humid month in Sloan is January, with an average relative humidity of 83%.

Rainfall

January and February are months with the least rain when the rain falls for 2.6 days and typically aggregates up to 0.39" (10mm) of rain.

Snowfall

January through April, October through December are months with snowfall in Sloan, Iowa. The month with the most snowfall is January, when snow falls for 8.2 days and typically aggregates up to 1.77" (45mm) of snow.

Daylight

The average length of the day in January is 9h and 31min.
On the first day of the month, sunrise is at 7:53 am and sunset at 5:03 pm. On the last day of January, in Sloan, sunrise is at 7:39 am and sunset at 5:37 pm CST.

Sunshine

With an average of 4.5h of sunshine, January has the least sunshine of the year in Sloan.

UV index

January is the month with the lowest UV index in Sloan, Iowa, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 1 transforms into these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What part of the year is the coldest in Sloan?

January brings the lowest temperatures, with an average high of 27°F (-2.8°C) and an average low of 13.5°F (-10.3°C).

How cold is it in Sloan in January?

In January, in Sloan, the average high-temperature is 27°F (-2.8°C), and the average low-temperature is 13.5°F (-10.3°C).

What is the most humid month in Sloan?

January is the most humid month, with an average relative humidity of 83%.

What is the average humidity in January in Sloan?

The average relative humidity in January in Sloan is 83%.

What is the driest month in Sloan?

The months with the least rainfall in Sloan are January and February Rain falls for 2.6 days and accumulates 0.39" (10mm) of rain.

How much does it rain in Sloan in January?

In Sloan, Iowa, in January, it is raining for 2.6 days, with typically 0.39" (10mm) of accumulated precipitation.

What is the snowiest month in Sloan?

The month with the most snowfall in Sloan is January, when snow falls for 8.2 days and typically aggregates up to 1.77" (45mm) of snow.

How much does it snow in Sloan in January?

In Sloan, Iowa, during January, snow falls for 8.2 days and regularly aggregates up to 1.77" (45mm) of snow.

How many hours of daylight does Sloan have in January?

In January, the average day length in Sloan, Iowa, is 9h and 31min.

What time are sunrise and sunset in January in Sloan?

On the first day of January, sunrise is at 7:53 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:37 pm CST.

What is the month with the least sunshine in Sloan?

January has the least sunshine of the year in Sloan, with an average of 4.5h of sunshine.

How many hours of sunshine does Sloan have in January?

In Sloan, the average sunshine duration in January is 4.5h.

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

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

What is the UV index intensity in January in Sloan?

In Sloan, Iowa, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
31.1°F -0.5°C
27°F -2.8°C
31.1°F -0.5°C
Average low temperature
19°F -7.2°C
13.5°F -10.3°C
17.1°F -8.3°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.15" 766mmHg
Average wind speed
10.3mph 16.6km/h
10.7mph 17.2km/h
10.6mph 17.1km/h
Average max. wind speed
11.1mph 17.9km/h
11.4mph 18.3km/h
11.3mph 18.2km/h
Average wind speed gusts
16.5mph 26.6km/h
17.1mph 27.5km/h
16.4mph 26.4km/h
Average humidity
81%
83%
80%
Average rainfall
0.59" 15mm
0.39" 10mm
0.39" 10mm
Average rainfall days
3.2
2.6
3.2
Average snowfall
1.42" 36mm
1.77" 45mm
1.54" 39mm
Average snowfall days
7.3
8.2
6.9
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
4h 5min
4h 3min
5h 2min
Average sunshine days
22.4
22.6
19.8
Average UV index
2
1
2
Average cloud cover
48%
51%
48%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Sloan, IA

Average temperature in January - Sloan, IA
  • Average high temperature in January: 27°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in January: 13.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in January
Sloan, IA

Average pressure in January - Sloan, 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 (29.86"Hg).

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Average wind speed in January
Sloan, IA

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

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

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Average humidity in January
Sloan, IA

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

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (65%).

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Average rainfall in January
Sloan, IA

Average rainfall in January - Sloan, IA
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.39").

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Average rainfall days in January
Sloan, IA

Average rainfall days in January - Sloan, IA
  • Average rainfall days in January: 2.6 days

The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is January (2.6 days).

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Average snowfall in January
Sloan, IA

Average snowfall in January - Sloan, IA
  • Average snowfall in January: 1.77"

The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Sloan, IA

Average snowfall days in January - Sloan, IA
  • Average snowfall days in January: 8.2 days

The month with the highest number of snowfall days is January (8.2 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
Sloan, IA

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

  • Average sunshine in January: 4h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in January
Sloan, IA

Average sunshine days in January - Sloan, IA
  • Average sunshine days in January: 22.6 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (13.1 days).

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Average UV index in January
Sloan, IA

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

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

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Average cloud cover in January
Sloan, IA

Average cloud cover in January - Sloan, IA
  • Average cloud cover in January: 51

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in January
Sloan, IA

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

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