January weather forecast
Radcliffe, IA

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Weather in January

January, the same as December, in Radcliffe, Iowa, is another subzero cold winter month, with temperature in the range of an average high of 25.5°F (-3.6°C) and an average low of 12.9°F (-10.6°C).

Temperature

The month of January sees the lowest average temperatures, reaching 25.5°F (-3.6°C) at the peak and 12.9°F (-10.6°C) at the low.

Humidity

With an average relative humidity of 85%, January is the most humid month.

Rainfall

January is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.98" (25mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Radcliffe, in January, snow falls for 12.5 days, with typically accumulated 4.21" (107mm) of snow. In Radcliffe, during the entire year, snow falls for 45.8 days and aggregates up to 16.85" (428mm) of snow.

Daylight

The average length of the day in January in Radcliffe is 9h and 31min.
On the first day of the month, sunrise is at 7:42 am and sunset at 4:51 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:25 pm CST.

Sunshine

The month with the least sunshine in Radcliffe, Iowa, is January, with an average of 3.9h of sunshine.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during January translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Radcliffe experiences its average lowest temperatures in January, reaching a peak of 25.5°F (-3.6°C) and a minimum of 12.9°F (-10.6°C).

How cold is January?

The high-temperature, in January, in Radcliffe, records 25.5°F (-3.6°C), while the low-temperature is 12.9°F (-10.6°C).

What is the most humid month?

With an average relative humidity of 85%, January is the most humid month in Radcliffe.

What is the average humidity in January?

The average relative humidity in January is 85%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 4.5 days and typically collects 0.98" (25mm) of precipitation.

How many days does it rain in January in Radcliffe?

In January, the rain falls for 4.5 days. Throughout January, 0.98" (25mm) of precipitation is accumulated.

How many days does it snow in January in Radcliffe?

In January, it is snowing for 12.5 days. Throughout January, 4.21" (107mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 31min.

When are sunrise and sunset in January?

On the first day of January in Radcliffe, Iowa, sunrise is at 7:42 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:25 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.9h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January in Radcliffe is 3.9h.

When is the lowest UV index?

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Radcliffe, IA

Average temperature in January - Radcliffe, IA
  • Average high temperature in January: 25.5°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in January: 12.9°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in January
Radcliffe, IA

Average pressure in January - Radcliffe, 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 (29.88"Hg).

Average wind speed in January
Radcliffe, IA

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

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in January
Radcliffe, IA

Average humidity in January - Radcliffe, IA
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).

Average rainfall in January
Radcliffe, IA

Average rainfall in January - Radcliffe, IA
  • Average rainfall in January: 0.98"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in January
Radcliffe, IA

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

The months with the highest number of rainy days are May and June (19.2 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in January
Radcliffe, IA

Average snowfall in January - Radcliffe, IA
  • Average snowfall in January: 4.21"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Radcliffe, IA

Average snowfall days in January - Radcliffe, IA
  • Average snowfall days in January: 12.5 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Radcliffe, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in January
Radcliffe, IA

Average sunshine days in January - Radcliffe, IA
  • Average sunshine days in January: 16.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).

Average UV index in January
Radcliffe, IA

Average UV index in January - Radcliffe, IA
  • Average UV index in January: 2

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

Average cloud cover in January
Radcliffe, IA

Average cloud cover in January - Radcliffe, IA
  • Average cloud cover in January: 57

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in January
Radcliffe, IA

Average visibility in January - Radcliffe, IA
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

Radcliffe, Iowa, USA

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