January weather forecast
Mount Ayr, IA

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Weather in January

January, the same as December, in Mount Ayr, Iowa, is a freezing cold winter month, with temperature in the range of an average high of 30.6°F (-0.8°C) and an average low of 16.9°F (-8.4°C).

Temperature

Mount Ayr reaches its lowest average temperatures in January, measuring 30.6°F (-0.8°C) at the peak and 16.9°F (-8.4°C) at the lowest.

Humidity

The average relative humidity in January is 80%.

Rainfall

In Mount Ayr, in January, during 4.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Mount Ayr, during the entire year, the rain falls for 126.9 days and collects up to 22.6" (574mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall in Mount Ayr. Snow falls for 8.4 days and accumulates 3.54" (90mm) of snow.

Daylight

The average length of the day in January in Mount Ayr is 9h and 39min.
On the first day of January in Mount Ayr, Iowa, sunrise is at 7:40 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:32 pm CST.

Sunshine

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

UV index

January is the month with the lowest UV index in Mount Ayr, Iowa, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 1 in January translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What part of the year is the coldest in Mount Ayr?

The month of January sees the average lowest temperatures, reaching 30.6°F (-0.8°C) at the peak and 16.9°F (-8.4°C) at the low.

How cold is it in Mount Ayr in January?

January temperatures vary between a high-temperature of 30.6°F (-0.8°C) and a low-temperature of 16.9°F (-8.4°C).

What is the average humidity in January in Mount Ayr?

In Mount Ayr, the average relative humidity in January is 80%.

How much does it rain in Mount Ayr in January?

In Mount Ayr, in January, it is raining for 4.1 days, with typically 0.75" (19mm) of accumulated precipitation.

What is the snowiest month in Mount Ayr?

The month with the most snowfall in Mount Ayr, Iowa, is January, when snow falls for 8.4 days and typically aggregates up to 3.54" (90mm) of snow.

How much does it snow in Mount Ayr in January?

In Mount Ayr, in January, snow falls for 8.4 days, with typically accumulated 3.54" (90mm) of snow.

What is the average length of the day in January in Mount Ayr?

The average day length in January in Mount Ayr, Iowa, is 9h and 39min.

When is the sunrise / sunset in January in Mount Ayr?

On the first day of January in Mount Ayr, Iowa, sunrise is at 7:40 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:32 pm CST.

What is the month with the least sunshine in Mount Ayr?

The month with the least sunshine in Mount Ayr, Iowa, is January, with an average of 4.6h of sunshine.

How long on average sun shines in January in Mount Ayr?

The average sunshine duration in January in Mount Ayr is 4.6h.

What is the month with the lowest UV index in Mount Ayr?

The month with the lowest UV index in Mount Ayr, Iowa, is January, with an average maximum UV index of 1.

How high is the UV index in January in Mount Ayr?

In Mount Ayr, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Mount Ayr, IA

Average temperature in January - Mount Ayr, IA
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in January: 16.9°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in January
Mount Ayr, IA

Average pressure in January - Mount Ayr, 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 (29.88"Hg).

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Average wind speed in January
Mount Ayr, IA

Average wind speed in January - Mount Ayr, IA
  • Average wind speed in January: 10.3mph

The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in January
Mount Ayr, IA

Average humidity in January - Mount Ayr, IA
  • Average humidity in January: 80%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Mount Ayr, IA

Average rainfall in January - Mount Ayr, IA
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").

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Average rainfall days in January
Mount Ayr, IA

Average rainfall days in January - Mount Ayr, IA
  • Average rainfall days in January: 4.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).

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Average snowfall in January
Mount Ayr, IA

Average snowfall in January - Mount Ayr, IA
  • Average snowfall in January: 3.54"

The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Mount Ayr, IA

Average snowfall days in January - Mount Ayr, IA
  • Average snowfall days in January: 8.4 days

The month with the highest number of snowfall days is January (8.4 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
Mount Ayr, IA

Average daylight in January / Average sunshine in January - Mount Ayr, IA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in January
Mount Ayr, IA

Average sunshine days in January - Mount Ayr, IA
  • Average sunshine days in January: 20 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in January
Mount Ayr, IA

Average UV index in January - Mount Ayr, IA
  • Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in January
Mount Ayr, IA

Average cloud cover in January - Mount Ayr, 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 28).

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Average visibility in January
Mount Ayr, IA

Average visibility in January - Mount Ayr, 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).

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Mount Ayr, Iowa, USA

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