January weather forecast and climate
Winterset, IA

A historic Hogback Covered Bridge in Winterset in Madison County, within Iowa
A historic Hogback Covered Bridge in Winterset in Madison County, within Iowa

Weather in January

January, like December, is another subzero cold winter month in Winterset, Iowa, with average temperature fluctuating between 28.8°F (-1.8°C) and 15.3°F (-9.3°C).

Temperature

The coldest month is January, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 15.3°F (-9.3°C).

Humidity

Months with the highest humidity in Winterset are January, February and June, with an average relative humidity of 82%.

Rainfall

The month with the least rainfall is January when the rain falls for 3.8 days and typically collects 0.91" (23mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Winterset. In Winterset, in January, snow falls for 9.1 days, with typically accumulated 4.29" (109mm) of snow. In Winterset, during the entire year, snow falls for 35 days, and aggregates up to 15.04" (382mm) of snow.

Daylight

The average length of the day in Winterset, Iowa, is 9.6h.

Sunshine

With an average of 4.4h of sunshine, January has the least sunshine of the year in Winterset.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Winterset. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Winterset?

With an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 15.3°F (-9.3°C), January is the coldest month in Winterset.

What are the most humid months in Winterset?

January, February and June, with an average relative humidity of 82%, are most humid months in Winterset, Iowa.

What is the average humidity in January in Winterset?

The average relative humidity in January is 82%.

What is the driest month in Winterset?

The month with the least rainfall in Winterset is January when the rain falls for 3.8 days and typically collects 0.91" (23mm) of precipitation.

How many days does it rain in January in Winterset?

In January, in Winterset, the rain falls for 3.8 days. Throughout January, 0.91" (23mm) of precipitation is accumulated.

How many days does it snow in January in Winterset?

In Winterset, Iowa, in January, snow falls for 9.1 days, with typically accumulated 4.29" (109mm) of snow.

What is the average length of the day in January in Winterset?

The average length of the day in January in Winterset, Iowa, is 9.6h.

What is the month with the least sunshine in Winterset?

The month with the least sunshine in Winterset, Iowa, is January, with an average of 4.4h of sunshine.

How many hours of sunshine does Winterset have in January?

In Winterset, Iowa, the average sunshine in January is 4.4h.

When is the lowest UV index in Winterset?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in January in Winterset?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.

Average temperature in January
Winterset, IA

Average temperature in January - Winterset, IA
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 15.3°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in January
Winterset, IA

Average pressure in January - Winterset, IA
  • Average pressure in January: 30.16"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in January
Winterset, IA

Average wind speed in January - Winterset, IA
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in January
Winterset, IA

Average humidity in January - Winterset, IA
  • Average humidity in January: 82%

Months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Winterset, IA

Average rainfall in January - Winterset, IA
  • Average rainfall in January: 0.91"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in January
Winterset, IA

Average rainfall days in January - Winterset, IA
  • Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is June (17.9 days).
Months with the least rainy days are January and February (3.8 days).

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Average snowfall in January
Winterset, IA

Average snowfall in January - Winterset, IA
  • Average snowfall in January: 4.29"

The month with the highest snowfall is February (4.53").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Winterset, IA

Average snowfall days in January - Winterset, IA
  • Average snowfall days in January: 9.1 days

The month with the highest number of snowfall days is January (9.1 days).
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
Winterset, IA

Average daylight in January / Average sunshine in January - Winterset, IA
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in January: 4.4h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 4.4h).

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Average sunshine days in January
Winterset, IA

Average sunshine days in January - Winterset, IA
  • Average sunshine days in January: 19.1 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index in January
Winterset, IA

Average UV index in January - Winterset, IA
  • Average UV index in January: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in January
Winterset, IA

Average cloud cover in January - Winterset, IA
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
Months with the least cloud cover are July and September (Cloud cover 29).

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Average visibility in January
Winterset, IA

Average visibility in January - Winterset, IA
  • Average visibility in January: 5mi

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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