January weather forecast
Millerton, IA

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Weather in January

January, like December, is a freezing cold winter month in Millerton, Iowa, with an average temperature ranging between max 30°F (-1.1°C) and min 16.5°F (-8.6°C).

Temperature

Millerton notes the coldest temperatures in January, with a high average of 30°F (-1.1°C) and a low of 16.5°F (-8.6°C).

Humidity

In Millerton, the average relative humidity in January is 81%.

Rainfall

January and December are months with the least rain when the rain falls for 4.5 days and typically aggregates up to 0.71" (18mm) of rain.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 3.23" (82mm) of snow.

Daylight

In Millerton, Iowa, the average length of the day in January is 9h and 38min.
On the first day of the month, sunrise is at 7:37 am and sunset at 4:55 pm. On the last day of January, in Millerton, sunrise is at 7:24 am and sunset at 5:28 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.3h of sunshine.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 1 during January morphs into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Millerton's coldest month, January, generally records average temperatures ranging from a high of 30°F (-1.1°C) to a low of 16.5°F (-8.6°C).

How cold is January?

In January, the average high-temperature and low-temperature are 30°F (-1.1°C) and 16.5°F (-8.6°C) respectively.

What is the average humidity in January?

In January, the average relative humidity is 81%.

What is the driest month?

January and December are months with the least rain when the rain falls for 4.5 days and typically aggregates up to 0.71" (18mm) of rain.

How many days does it rain in January?

In Millerton, during January, the rain falls for 4.5 days and regularly aggregates up to 0.71" (18mm) of precipitation.

What is the snowiest month in Millerton?

January is the month with the most snowfall. Snow falls for 8.6 days and accumulates 3.23" (82mm) of snow.

How many days does it snow in January?

In Millerton, during January, snow falls for 8.6 days and regularly aggregates up to 3.23" (82mm) of snow.

What is the average length of the day in January?

In January, the average day length in Millerton is 9h and 38min.

When is the sunrise / sunset in January?

On the first day of January in Millerton, Iowa, sunrise is at 7:37 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:28 pm CST.

What is the month with the least sunshine in Millerton?

The month with the least sunshine is January, with an average of 4.3h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 4.3h.

When is the lowest UV index?

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?

The average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Millerton, IA

Average temperature in January - Millerton, IA
  • Average high temperature in January: 30°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 (30°F).

  • Average low temperature in January: 16.5°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in January
Millerton, IA

Average pressure in January - Millerton, 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 (29.89"Hg).

Average wind speed in January
Millerton, IA

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

The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in January
Millerton, IA

Average humidity in January - Millerton, IA
  • Average humidity in January: 81%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Millerton, IA

Average rainfall in January - Millerton, IA
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is June (3.31").
The driest months (with the least rainfall) are January and December (0.71").

Average rainfall days in January
Millerton, IA

Average rainfall days in January - Millerton, IA
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in January
Millerton, IA

Average snowfall in January - Millerton, IA
  • Average snowfall in January: 3.23"

The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Millerton, IA

Average snowfall days in January - Millerton, IA
  • Average snowfall days in January: 8.6 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Millerton, IA

Average daylight in January / Average sunshine in January - Millerton, 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 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
Millerton, IA

Average sunshine days in January - Millerton, IA
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in January
Millerton, IA

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

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

Average cloud cover in January
Millerton, IA

Average cloud cover in January - Millerton, IA
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in January
Millerton, IA

Average visibility in January - Millerton, 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).

Millerton, Iowa, USA

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