January weather forecast
Jackson Junction, IA

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Weather in January

January, like December, is another subzero cold winter month in Jackson Junction, Iowa, with an average temperature fluctuating between 22.8°F (-5.1°C) and 10.6°F (-11.9°C).

Temperature

Jackson Junction's January weather reaches an average high of 22.8°F (-5.1°C) and an average low of 10.6°F (-11.9°C), making it the coldest month.

Humidity

With an average relative humidity of 89%, January is the most humid month.

Rainfall

January is the month with the least rainfall. Rain falls for 4.5 days and accumulates 1.18" (30mm) of precipitation.

Snowfall

Months with snowfall in Jackson Junction are January through May, October through December. In Jackson Junction, in January, snow falls for 14.5 days, with typically accumulated 5.31" (135mm) of snow. In Jackson Junction, during the entire year, snow falls for 59.9 days and aggregates up to 24.84" (631mm) of snow.

Daylight

In Jackson Junction, Iowa, the average length of the day in January is 9h and 26min.
On the first day of the month, sunrise is at 7:39 am and sunset at 4:43 pm. On the last day of January, in Jackson Junction, sunrise is at 7:24 am and sunset at 5:18 pm CST.

Sunshine

With an average of 3.5h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January brings the lowest temperatures, with an average high of 22.8°F (-5.1°C) and an average low of 10.6°F (-11.9°C).

How cold is it in Jackson Junction in January?

The high-temperature, in January, in Jackson Junction, is 22.8°F (-5.1°C), while the low-temperature averages to 10.6°F (-11.9°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 89%.

What is the average humidity in January?

In Jackson Junction, the average relative humidity in January is 89%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 4.5 days and typically collects 1.18" (30mm) of precipitation.

How much does it rain in January?

In Jackson Junction, in January, during 4.5 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Jackson Junction, during January, snow falls for 14.5 days and regularly aggregates up to 5.31" (135mm) of snow.

How many hours of daylight does Jackson Junction have in January?

The average day length in January is 9h and 26min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:39 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:18 pm CST.

What is the month with the least sunshine?

With an average of 3.5h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Jackson Junction have in January?

In January, the average sunshine duration is 3.5h.

When is the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in January?

In Jackson Junction, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Jackson Junction, IA

Average temperature in January - Jackson Junction, IA
  • Average high temperature in January: 22.8°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in January: 10.6°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

Average pressure in January
Jackson Junction, IA

Average pressure in January - Jackson Junction, IA
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Jackson Junction, IA

Average wind speed in January - Jackson Junction, IA
  • Average wind speed in January: 10.4mph

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

Average humidity in January
Jackson Junction, IA

Average humidity in January - Jackson Junction, IA
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (75%).

Average rainfall in January
Jackson Junction, IA

Average rainfall in January - Jackson Junction, IA
  • Average rainfall in January: 1.18"

The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in January
Jackson Junction, IA

Average rainfall days in January - Jackson Junction, IA
  • Average rainfall days in January: 4.5 days

The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in January
Jackson Junction, IA

Average snowfall in January - Jackson Junction, IA
  • Average snowfall in January: 5.31"

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Jackson Junction, IA

Average snowfall days in January - Jackson Junction, IA
  • Average snowfall days in January: 14.5 days

The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Jackson Junction, IA

Average daylight in January / Average sunshine in January - Jackson Junction, IA
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 3h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in January
Jackson Junction, IA

Average sunshine days in January - Jackson Junction, IA
  • Average sunshine days in January: 13.6 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.9 days).

Average UV index in January
Jackson Junction, IA

Average UV index in January - Jackson Junction, IA
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Jackson Junction, IA

Average cloud cover in January - Jackson Junction, IA
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in January
Jackson Junction, IA

Average visibility in January - Jackson Junction, IA
  • Average visibility in January: 5mi

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

Jackson Junction, Iowa, USA

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