January weather forecast
Storm Lake, IA

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Weather in January

Kickstarting the new year, Storm Lake, Iowa paints a picture of a typical Midwestern winter. The chill persists as temperatures remain low and snowfall is notable. Amongst the hushed white landscape, 0.51" (13mm) to 0.98" (25mm) temperature range prevails and approximately 4.65" (118mm) of snow grace the city. Ensuing the colder end of the year, February is likely to continue the same course with a similar wintry charm. Residents and visitors alike should prepare for the winter weather and consider indoor activities.

Temperature

January brings the lowest temperatures in Storm Lake, Iowa, with an average high of 24.6°F (-4.1°C) and an average low of 12.6°F (-10.8°C).

Humidity

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

Rainfall

The month with the least rainfall in Storm Lake is January, when the rain falls for 4.1 days and typically collects 0.91" (23mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, in Storm Lake, it is snowing for 12.6 days. Throughout January, 4.65" (118mm) of snow is accumulated. Throughout the year, in Storm Lake, there are 50 snowfall days, and 20.04" (509mm) of snow is accumulated.

Daylight

In Storm Lake, the average length of the day in January is 9h and 29min.
On the first day of January, sunrise is at 7:50 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:32 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.1h of sunshine.

UV index

January and February, with an average maximum UV index of 1, are months with the lowest UV index in Storm Lake. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 1 during January translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What time of the year is the coldest in Storm Lake?

January brings the lowest temperatures in Storm Lake, Iowa, with an average high of 24.6°F (-4.1°C) and an average low of 12.6°F (-10.8°C).

How cold is it in Storm Lake in January?

Storm Lake in January has an average high-temperature of 24.6°F (-4.1°C) and an average low-temperature of 12.6°F (-10.8°C).

What is the most humid month in Storm Lake?

The most humid month is January, with an average relative humidity of 85%.

What is the average humidity in January in Storm Lake?

The average relative humidity in January in Storm Lake, Iowa, is 85%.

What is the driest month in Storm Lake?

The month with the least rainfall in Storm Lake, Iowa, is January, when the rain falls for 4.1 days and typically collects 0.91" (23mm) of precipitation.

How much does it rain in Storm Lake in January?

In Storm Lake, Iowa, in January, it is raining for 4.1 days, with typically 0.91" (23mm) of accumulated precipitation.

How much does it snow in Storm Lake in January?

In Storm Lake, during January, snow falls for 12.6 days and regularly aggregates up to 4.65" (118mm) of snow.

How many hours of daylight does Storm Lake have in January?

In January, the average day length in Storm Lake is 9h and 29min.

What time are sunrise and sunset in January in Storm Lake?

On the first day of January in Storm Lake, Iowa, sunrise is at 7:50 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:32 pm CST.

What is the month with the least sunshine in Storm Lake?

January has the least sunshine of the year, with an average of 4.1h of sunshine.

How long on average sun shines in January in Storm Lake?

The average sunshine duration in January in Storm Lake is 4.1h.

What are the months with the lowest UV index in Storm Lake?

The months with the lowest UV index in Storm Lake, Iowa, are January and February, with an average maximum UV index of 1.

How high is the UV index in January in Storm Lake?

The average daily maximum UV index in January is 1. A UV Index reading 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
Storm Lake, IA

Average temperature in January - Storm Lake, IA
  • Average high temperature in January: 24.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in January: 12.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in January
Storm Lake, IA

Average pressure in January - Storm Lake, 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 (29.87"Hg).

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Average wind speed in January
Storm Lake, IA

Average wind speed in January - Storm Lake, IA
  • Average wind speed in January: 11.2mph

The windiest months (with the highest average wind speed) are January and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

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Average humidity in January
Storm Lake, IA

Average humidity in January - Storm Lake, IA
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).

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Average rainfall in January
Storm Lake, IA

Average rainfall in January - Storm Lake, IA
  • Average rainfall in January: 0.91"

The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in January
Storm Lake, IA

Average rainfall days in January - Storm Lake, IA
  • Average rainfall days in January: 4.1 days

The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.7 days).

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Average snowfall in January
Storm Lake, IA

Average snowfall in January - Storm Lake, IA
  • Average snowfall in January: 4.65"

The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Storm Lake, IA

Average snowfall days in January - Storm Lake, IA
  • Average snowfall days in January: 12.6 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Storm Lake, IA

Average daylight in January / Average sunshine in January - Storm Lake, IA
  • Average daylight in January: 9h and 3min

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: 4h 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: 4h and 6min).

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Average sunshine days in January
Storm Lake, IA

Average sunshine days in January - Storm Lake, IA
  • Average sunshine days in January: 16.6 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (8.1 days).

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Average UV index in January
Storm Lake, IA

Average UV index in January - Storm Lake, IA
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).

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Average cloud cover in January
Storm Lake, IA

Average cloud cover in January - Storm Lake, IA
  • Average cloud cover in January: 55

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in January
Storm Lake, IA

Average visibility in January - Storm Lake, IA
  • Average visibility in January: 5mi

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

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Storm Lake, Iowa, USA

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