January weather forecast
Shenandoah, IA

Share

Weather in January

January, like December, is another subzero cold winter month in Shenandoah, Iowa, with an average temperature ranging between min 18°F (-7.8°C) and max 31.3°F (-0.4°C).

Temperature

Shenandoah's January weather reaches an average high of 31.3°F (-0.4°C) and an average low of 18°F (-7.8°C), making it the coldest month.

Humidity

The months with the highest humidity are January and July, with an average relative humidity of 79%.

Rainfall

In Shenandoah, in January, during 4.4 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, there are 125.6 rainfall days, and 26.14" (664mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 3.11" (79mm) of snow.

Daylight

In January, the average length of the day is 9h and 39min.
On the first day of January, sunrise is at 7:45 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:37 pm CST.

Sunshine

With an average of 4.7h of sunshine, January has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during January leads to these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

With average temperatures fluctuating between a high of 31.3°F (-0.4°C) and a low of 18°F (-7.8°C), January stands out as the coldest month.

How cold is January?

The high-temperature, in January, in Shenandoah, records 31.3°F (-0.4°C), while the low-temperature is 18°F (-7.8°C).

What is the most humid month in Shenandoah?

The months with the highest humidity are January and July, with an average relative humidity of 79%.

What is the average humidity in January?

The average relative humidity in January is 79%.

How many days does it rain in January?

In January, the rain falls for 4.4 days. Throughout January, 0.79" (20mm) of precipitation is accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 3.11" (79mm) of snow.

How many days does it snow in January?

In Shenandoah, in January, during 8.6 snowfall days, 3.11" (79mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 39min.

When is the sunrise / sunset in January in Shenandoah?

On the first day of January, sunrise is at 7:45 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:37 pm CST.

What is the month with the least sunshine?

With an average of 4.7h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

In Shenandoah, the average sunshine duration in January is 4.7h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

In Shenandoah, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents 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
Shenandoah, IA

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

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in January: 18°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in January
Shenandoah, IA

Average pressure in January - Shenandoah, IA
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in January
Shenandoah, IA

Average wind speed in January - Shenandoah, IA
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in January
Shenandoah, IA

Average humidity in January - Shenandoah, IA
  • Average humidity in January: 79%

The months with the highest relative humidity are January and July (79%).
The month with the lowest relative humidity is October (67%).

Average rainfall in January
Shenandoah, IA

Average rainfall in January - Shenandoah, IA
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in January
Shenandoah, IA

Average rainfall days in January - Shenandoah, IA
  • Average rainfall days in January: 4.4 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in January
Shenandoah, IA

Average snowfall in January - Shenandoah, IA
  • Average snowfall in January: 3.11"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Shenandoah, IA

Average snowfall days in January - Shenandoah, 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
Shenandoah, IA

Average daylight in January / Average sunshine in January - Shenandoah, 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 4min

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

Average sunshine days in January
Shenandoah, IA

Average sunshine days in January - Shenandoah, IA
  • Average sunshine days in January: 19 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in January
Shenandoah, IA

Average UV index in January - Shenandoah, 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
Shenandoah, IA

Average cloud cover in January - Shenandoah, IA
  • Average cloud cover in January: 48

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in January
Shenandoah, IA

Average visibility in January - Shenandoah, 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).

Shenandoah, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location