January weather forecast
Mount Sterling, IA

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Weather in January

January, the same as December, in Mount Sterling, Iowa, is a freezing cold winter month, with temperature in the range of an average high of 31.3°F (-0.4°C) and an average low of 18.3°F (-7.6°C).

Temperature

With average high and low temperatures of 31.3°F (-0.4°C) and 18.3°F (-7.6°C) respectively, January is Mount Sterling's coldest month.

Humidity

In Mount Sterling, the average relative humidity in January is 80%.

Rainfall

The month with the least rainfall in Mount Sterling is January, when the rain falls for 4.8 days and typically collects 1.14" (29mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Mount Sterling, Iowa. January is the month with the most snowfall in Mount Sterling. Snow falls for 7.5 days and accumulates 4.09" (104mm) of snow.

Daylight

In January, the average length of the day is 9h and 40min.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:51 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:23 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.3h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 in January translates into these instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Mount Sterling?

Mount Sterling, Iowa, experiences its average lowest temperatures in January, reaching a peak of 31.3°F (-0.4°C) and a minimum of 18.3°F (-7.6°C).

How cold is it in Mount Sterling in January?

In Mount Sterling, 31.3°F (-0.4°C) is the average high-temperature and 18.3°F (-7.6°C) is the average low-temperature during January.

What is the average humidity in January in Mount Sterling?

In January, the average relative humidity in Mount Sterling is 80%.

What is the driest month in Mount Sterling?

January is the month with the least rainfall in Mount Sterling. Rain falls for 4.8 days and accumulates 1.14" (29mm) of precipitation.

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

In Mount Sterling, Iowa, in January, it is raining for 4.8 days, with typically 1.14" (29mm) of accumulated precipitation.

When does it snow the most in Mount Sterling?

January is the month with the most snowfall in Mount Sterling. Snow falls for 7.5 days and accumulates 4.09" (104mm) of snow.

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

In January, in Mount Sterling, it is snowing for 7.5 days. Throughout January, 4.09" (104mm) of snow is accumulated.

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

In January, the average day length in Mount Sterling, Iowa, is 9h and 40min.

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

On the first day of January, sunrise is at 7:31 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:23 pm CST.

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

The month with the least sunshine in Mount Sterling, Iowa, is January, with an average of 4.3h of sunshine.

How many hours of sunshine does Mount Sterling have in January?

In January, the average sunshine duration in Mount Sterling, Iowa, is 4.3h.

What is the month with the lowest UV index in Mount Sterling?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mount Sterling, Iowa.

How high is the UV index in January in Mount Sterling?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Mount Sterling, IA

Average temperature in January - Mount Sterling, IA
  • Average high temperature in January: 31.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in January: 18.3°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in January
Mount Sterling, IA

Average pressure in January - Mount Sterling, 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).

Average wind speed in January
Mount Sterling, IA

Average wind speed in January - Mount Sterling, 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).

Average humidity in January
Mount Sterling, IA

Average humidity in January - Mount Sterling, IA
  • Average humidity in January: 80%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Mount Sterling, IA

Average rainfall in January - Mount Sterling, IA
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in January
Mount Sterling, IA

Average rainfall days in January - Mount Sterling, IA
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in January
Mount Sterling, IA

Average snowfall in January - Mount Sterling, IA
  • Average snowfall in January: 4.09"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Mount Sterling, IA

Average snowfall days in January - Mount Sterling, IA
  • Average snowfall days in January: 7.5 days

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Mount Sterling, IA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in January
Mount Sterling, IA

Average sunshine days in January - Mount Sterling, IA
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in January
Mount Sterling, IA

Average UV index in January - Mount Sterling, IA
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Mount Sterling, IA

Average cloud cover in January - Mount Sterling, IA
  • Average cloud cover in January: 53

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in January
Mount Sterling, IA

Average visibility in January - Mount Sterling, 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).

Mount Sterling, Iowa, USA

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