January weather forecast
Glenwood, IA

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Weather in January

January, like December, is another subzero cold winter month in Glenwood, Iowa, with an average temperature ranging between max 30.6°F (-0.8°C) and min 17.1°F (-8.3°C).

Temperature

In Glenwood, Iowa, the lowest temperatures are generally noted in January, averaging a high of 30.6°F (-0.8°C) and a low of 17.1°F (-8.3°C).

Humidity

January is the most humid month, with an average relative humidity of 80%.

Rainfall

The months with the least rainfall in Glenwood are January and February Rain falls for 5 days and accumulates 0.83" (21mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 8.4 days. Throughout January, 3.19" (81mm) of snow is accumulated. In Glenwood, during the entire year, snow falls for 31.3 days and aggregates up to 12.56" (319mm) of snow.

Daylight

In January, the average length of the day in Glenwood, Iowa, is 9h and 37min.
On the first day of January in Glenwood, sunrise is at 7:47 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:38 pm CST.

Sunshine

January has the least sunshine of the year in Glenwood, with an average of 4.7h of sunshine.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the UV index of 2 transforms into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What is the coldest month in Glenwood?

January is the coldest month, with the temperature often reaching an average high of 30.6°F (-0.8°C) and an average low of 17.1°F (-8.3°C).

How cold is it in Glenwood in January?

The high-temperature during January is 30.6°F (-0.8°C) and the low-temperature is 17.1°F (-8.3°C).

What is the most humid month in Glenwood?

January is the most humid month in Glenwood, with an average relative humidity of 80%.

What is the average humidity in January in Glenwood?

In January, the average relative humidity in Glenwood, Iowa, is 80%.

What is the driest month in Glenwood?

The months with the least rainfall in Glenwood, Iowa, are January and February Rain falls for 5 days and accumulates 0.83" (21mm) of rain.

How much does it rain in Glenwood in January?

In Glenwood, Iowa, in January, it is raining for 5 days, with typically 0.83" (21mm) of accumulated precipitation.

How many days does it snow in January in Glenwood?

In Glenwood, during January, snow falls for 8.4 days and regularly aggregates up to 3.19" (81mm) of snow.

How many hours of daylight does Glenwood have in January?

The average day length in January is 9h and 37min.

When is the sunrise / sunset in January in Glenwood?

In January, on the first day of the month, sunrise is at 7:47 am and sunset at 5:04 pm. On the last day of the month, in Glenwood, sunrise is at 7:34 am and sunset at 5:38 pm CST.

What is the month with the least sunshine in Glenwood?

January has the least sunshine of the year, with an average of 4.7h of sunshine.

How long on average sun shines in January in Glenwood?

In January, the average sunshine duration in Glenwood, Iowa, is 4.7h.

When is the lowest UV index in Glenwood?

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

What is the UV index reading in January in Glenwood?

In January, the average daily maximum UV index in Glenwood, Iowa, is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Glenwood, IA

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

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in January: 17.1°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in January
Glenwood, IA

Average pressure in January - Glenwood, 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
Glenwood, IA

Average wind speed in January - Glenwood, IA
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in January
Glenwood, IA

Average humidity in January - Glenwood, IA
  • Average humidity in January: 80%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in January
Glenwood, IA

Average rainfall in January - Glenwood, IA
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is June (4.57").
The driest months (with the least rainfall) are January and February (0.83").

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Average rainfall days in January
Glenwood, IA

Average rainfall days in January - Glenwood, IA
  • Average rainfall days in January: 5 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in January
Glenwood, IA

Average snowfall in January - Glenwood, IA
  • Average snowfall in January: 3.19"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Glenwood, IA

Average snowfall days in January - Glenwood, 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
Glenwood, IA

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

The month with the longest days is June (Average daylight: 15h and 6min).
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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in January
Glenwood, IA

Average sunshine days in January - Glenwood, IA
  • Average sunshine days in January: 18.6 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is June (10.6 days).

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Average UV index in January
Glenwood, IA

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

The months with the highest UV index are June, July and August (UV index 6).
The 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
Glenwood, IA

Average cloud cover in January - Glenwood, IA
  • Average cloud cover in January: 49

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in January
Glenwood, IA

Average visibility in January - Glenwood, 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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Glenwood, Iowa, USA

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