January weather forecast
Glasgow, IA

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Weather in January

January, the same as December, in Glasgow, Iowa, is another subzero cold winter month, with temperature in the range of an average low of 17.4°F (-8.1°C) and an average high of 29.7°F (-1.3°C).

Temperature

January, on average, is the coldest month, registering a high temperature of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C).

Humidity

In Glasgow, the average relative humidity in January is 81%.

Rainfall

In Glasgow, in January, it is raining for 5.3 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 140.1 rainfall days, and 29.92" (760mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 9.6 days and accumulates 4.76" (121mm) of snow.

Daylight

The average length of the day in January is 9h and 38min.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:49 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:22 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4h of sunshine.

UV index

With an average maximum UV index of 1, January is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 1 in January converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

During the coldest month in Glasgow, January, temperatures average a high of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C).

How cold is January?

In January, in Glasgow, the average high-temperature is 29.7°F (-1.3°C), and the average low-temperature is 17.4°F (-8.1°C).

What is the average humidity in January?

In January, the average relative humidity is 81%.

How many days does it rain in January?

In Glasgow, in January, it is raining for 5.3 days, with typically 1.42" (36mm) of accumulated precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 9.6 days and typically aggregates up to 4.76" (121mm) of snow.

How much does it snow in January?

In Glasgow, in January, snow falls for 9.6 days, with typically accumulated 4.76" (121mm) of snow.

How many hours of daylight does Glasgow have in January?

In January, the average day length is 9h and 38min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:31 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:22 pm CST.

What is the month with the least sunshine?

With an average of 4h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Glasgow have in January?

In Glasgow, the average sunshine duration in January is 4h.

When is the lowest UV index?

January is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index reading in January?

The average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health risk 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
Glasgow, IA

Average temperature in January - Glasgow, IA
  • Average high temperature in January: 29.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in January: 17.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in January
Glasgow, IA

Average pressure in January - Glasgow, IA
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in January
Glasgow, IA

Average wind speed in January - Glasgow, IA
  • Average wind speed in January: 10.7mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

Average humidity in January
Glasgow, IA

Average humidity in January - Glasgow, IA
  • Average humidity in January: 81%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Glasgow, IA

Average rainfall in January - Glasgow, IA
  • Average rainfall in January: 1.42"

The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").

Average rainfall days in January
Glasgow, IA

Average rainfall days in January - Glasgow, IA
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in January
Glasgow, IA

Average snowfall in January - Glasgow, IA
  • Average snowfall in January: 4.76"

The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Glasgow, IA

Average snowfall days in January - Glasgow, IA
  • Average snowfall days in January: 9.6 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Glasgow, IA

Average daylight in January / Average sunshine in January - Glasgow, 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

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

Average sunshine days in January
Glasgow, IA

Average sunshine days in January - Glasgow, IA
  • Average sunshine days in January: 16.2 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in January
Glasgow, IA

Average UV index in January - Glasgow, 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).

Average cloud cover in January
Glasgow, IA

Average cloud cover in January - Glasgow, IA
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility in January
Glasgow, IA

Average visibility in January - Glasgow, IA
  • Average visibility in January: 6mi

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

Glasgow, Iowa, USA

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