January weather forecast
Iatan, MO

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Weather in January

January, like December, in Iatan, Missouri, is a wintry winter month, with an average temperature fluctuating between 36.1°F (2.3°C) and 21.9°F (-5.6°C).

Temperature

Iatan experiences its lowest temperatures in January, with an average peak of 36.1°F (2.3°C) and a low of 21.9°F (-5.6°C).

Humidity

In Iatan, the average relative humidity in January is 74%.

Rainfall

In Iatan, in January, it is raining for 4.3 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 130.5 rainfall days, and 26.38" (670mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Iatan. In Iatan, in January, snow falls for 4.8 days, with typically accumulated 2.09" (53mm) of snow. Throughout the year, in Iatan, there are 17.5 snowfall days, and 7.09" (180mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 46min.
On the first day of the month, sunrise is at 7:40 am and sunset at 5:06 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:38 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 5.2h of sunshine.

UV index

The months with the lowest UV index in Iatan are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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 Iatan?

January proves to be the coldest month in Iatan, recording an average maximum temperature of 36.1°F (2.3°C) and a minimum temperature of 21.9°F (-5.6°C).

How cold is January in Iatan?

The high-temperature, in January, in Iatan, is 36.1°F (2.3°C), while the low-temperature averages to 21.9°F (-5.6°C).

What is the average humidity in January in Iatan?

In Iatan, the average relative humidity in January is 74%.

How much does it rain in Iatan in January?

In Iatan, in January, it is raining for 4.3 days, with typically 0.91" (23mm) of accumulated precipitation.

How much does it snow in Iatan in January?

In Iatan, Missouri, in January, during 4.8 snowfall days, 2.09" (53mm) of snow is typically accumulated.

How many hours of daylight does Iatan have in January?

The average day length in January in Iatan, Missouri, is 9h and 46min.

When are sunrise and sunset in January in Iatan?

On the first day of January in Iatan, Missouri, sunrise is at 7:40 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:38 pm CST.

What is the month with the least sunshine in Iatan?

With an average of 5.2h of sunshine, January has the least sunshine of the year in Iatan, Missouri.

How many hours of sunshine does Iatan have in January?

In Iatan, Missouri, the average sunshine duration in January is 5.2h.

When is the lowest UV index in Iatan?

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

How high is the UV index in January in Iatan?

The average daily maximum UV index in January in Iatan, Missouri, is 2. A UV Index value of 2, and less, symbolizes 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
Iatan, MO

Average temperature in January - Iatan, MO
  • Average high temperature in January: 36.1°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in January: 21.9°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in January
Iatan, MO

Average pressure in January - Iatan, MO
  • 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 (29.88"Hg).

Average wind speed in January
Iatan, MO

Average wind speed in January - Iatan, MO
  • Average wind speed in January: 9.7mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in January
Iatan, MO

Average humidity in January - Iatan, MO
  • Average humidity in January: 74%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in January
Iatan, MO

Average rainfall in January - Iatan, MO
  • Average rainfall in January: 0.91"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in January
Iatan, MO

Average rainfall days in January - Iatan, MO
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in January
Iatan, MO

Average snowfall in January - Iatan, MO
  • Average snowfall in January: 2.09"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Iatan, MO

Average snowfall days in January - Iatan, MO
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Iatan, MO

Average daylight in January / Average sunshine in January - Iatan, MO
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in January
Iatan, MO

Average sunshine days in January - Iatan, MO
  • Average sunshine days in January: 22 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in January
Iatan, MO

Average UV index in January - Iatan, MO
  • Average UV index in January: 2

The months with the highest UV index are May, 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
Iatan, MO

Average cloud cover in January - Iatan, MO
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in January
Iatan, MO

Average visibility in January - Iatan, MO
  • 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).

Iatan, Missouri, USA

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