January weather forecast
Missouri Valley, IA

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Weather in January

January, like December, is another subzero cold winter month in Missouri Valley, Iowa, with temperature in the range of an average high of 28.9°F (-1.7°C) and an average low of 15.3°F (-9.3°C).

Temperature

In Missouri Valley, January records the lowest average temperatures, peaking at 28.9°F (-1.7°C) and reaching a low of 15.3°F (-9.3°C).

Humidity

January is the most humid month, with an average relative humidity of 81%.

Rainfall

The month with the least rainfall is January, when the rain falls for 2.4 days and typically collects 0.39" (10mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Missouri Valley, Iowa. In Missouri Valley, in January, during 7.9 snowfall days, 1.81" (46mm) of snow is typically accumulated. Throughout the year, there are 27.6 snowfall days, and 7.28" (185mm) of snow is accumulated.

Daylight

In Missouri Valley, the average length of the day in January is 9h and 35min.
On the first day of January, sunrise is at 7:50 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:37 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.6h 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 low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Missouri Valley records the coldest temperatures in January, averaging a high of 28.9°F (-1.7°C) and a low of 15.3°F (-9.3°C).

How cold is January?

An average high-temperature, in January, in Missouri Valley, is 28.9°F (-1.7°C) and the average low-temperature is 15.3°F (-9.3°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 81%.

What is the average humidity in January?

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

What is the driest month?

The month with the least rainfall is January, when the rain falls for 2.4 days and typically collects 0.39" (10mm) of precipitation.

How much does it rain in January?

In Missouri Valley, during January, the rain falls for 2.4 days and regularly aggregates up to 0.39" (10mm) of precipitation.

How many days does it snow in January?

In Missouri Valley, during January, snow falls for 7.9 days and regularly aggregates up to 1.81" (46mm) of snow.

What is the average length of the day in January?

In January, the average day length in Missouri Valley is 9h and 35min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:50 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:37 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.6h of sunshine.

How many hours of sunshine does Missouri Valley have in January?

In January, the average sunshine duration is 4.6h.

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.

What is the UV index intensity in January?

In Missouri Valley, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Missouri Valley, IA

Average temperature in January - Missouri Valley, IA
  • Average high temperature in January: 28.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in January: 15.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in January
Missouri Valley, IA

Average pressure in January - Missouri Valley, 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).

Average wind speed in January
Missouri Valley, IA

Average wind speed in January - Missouri Valley, IA
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in January
Missouri Valley, IA

Average humidity in January - Missouri Valley, IA
  • Average humidity in January: 81%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).

Average rainfall in January
Missouri Valley, IA

Average rainfall in January - Missouri Valley, IA
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in January
Missouri Valley, IA

Average rainfall days in January - Missouri Valley, IA
  • Average rainfall days in January: 2.4 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in January
Missouri Valley, IA

Average snowfall in January - Missouri Valley, IA
  • Average snowfall in January: 1.81"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Missouri Valley, IA

Average snowfall days in January - Missouri Valley, IA
  • Average snowfall days in January: 7.9 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Missouri Valley, IA

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

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in January
Missouri Valley, IA

Average sunshine days in January - Missouri Valley, IA
  • Average sunshine days in January: 21.3 days

The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is May (13.1 days).

Average UV index in January
Missouri Valley, IA

Average UV index in January - Missouri Valley, 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, October, November and December (UV index 2).

Average cloud cover in January
Missouri Valley, IA

Average cloud cover in January - Missouri Valley, IA
  • Average cloud cover in January: 50

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in January
Missouri Valley, IA

Average visibility in January - Missouri Valley, 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).

Missouri Valley, Iowa, USA

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