January weather forecast
Webster City, IA

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Weather in January

January, the same as December, in Webster City, Iowa, is another subzero cold winter month, with an average temperature varying between 12.6°F (-10.8°C) and 25.2°F (-3.8°C).

Temperature

In Webster City, January is the coldest month, with temperatures averaging a high of 25.2°F (-3.8°C) and a low of 12.6°F (-10.8°C).

Humidity

The most humid month is January, with an average relative humidity of 86%.

Rainfall

January is the month with the least rainfall in Webster City, Iowa. Rain falls for 4.1 days and accumulates 0.98" (25mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 10.5 days. Throughout January, 4.29" (109mm) of snow is accumulated. In Webster City, Iowa, during the entire year, snow falls for 41.8 days and aggregates up to 16.61" (422mm) of snow.

Daylight

In January, the average length of the day is 9h and 29min.
On the first day of January, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:27 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3.8h of sunshine.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 1. 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: During January, 1 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To guard against the harmful effects of the Sun, minimize exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Webster City records the coldest temperatures in January, averaging a high of 25.2°F (-3.8°C) and a low of 12.6°F (-10.8°C).

How cold is it in January?

Webster City in January has an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 12.6°F (-10.8°C).

What is the most humid month in Webster City?

The most humid month is January, with an average relative humidity of 86%.

What is the average humidity in January?

In January, the average relative humidity is 86%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 4.1 days and typically collects 0.98" (25mm) of precipitation.

How much does it rain in Webster City in January?

In January, the rain falls for 4.1 days. Throughout January, 0.98" (25mm) of precipitation is accumulated.

How many days does it snow in January?

In Webster City, Iowa, during January, snow falls for 10.5 days and regularly aggregates up to 4.29" (109mm) of snow.

How many hours of daylight does Webster City have in January?

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

When is the sunrise / sunset in January in Webster City?

On the first day of January, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:27 pm CST.

What is the month with the least sunshine?

The month with the least sunshine in Webster City, Iowa, is January, with an average of 3.8h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.8h.

When is the lowest UV index in Webster City?

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

How high is the UV index in January?

In January, the average daily maximum UV index 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
Webster City, IA

Average temperature in January - Webster City, IA
  • Average high temperature in January: 25.2°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in January: 12.6°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in January
Webster City, IA

Average pressure in January - Webster City, 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 (29.88"Hg).

Average wind speed in January
Webster City, IA

Average wind speed in January - Webster City, IA
  • Average wind speed in January: 10.9mph

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in January
Webster City, IA

Average humidity in January - Webster City, IA
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (69%).

Average rainfall in January
Webster City, IA

Average rainfall in January - Webster City, IA
  • Average rainfall in January: 0.98"

The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in January
Webster City, IA

Average rainfall days in January - Webster City, IA
  • Average rainfall days in January: 4.1 days

The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in January
Webster City, IA

Average snowfall in January - Webster City, IA
  • Average snowfall in January: 4.29"

The month with the highest snowfall is February (4.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Webster City, IA

Average snowfall days in January - Webster City, IA
  • Average snowfall days in January: 10.5 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Webster City, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Webster City, IA

Average sunshine days in January - Webster City, IA
  • Average sunshine days in January: 17.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in January
Webster City, IA

Average UV index in January - Webster City, IA
  • Average UV index in January: 1

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

Average cloud cover in January
Webster City, IA

Average cloud cover in January - Webster City, IA
  • Average cloud cover in January: 58

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in January
Webster City, IA

Average visibility in January - Webster City, IA
  • Average visibility in January: 5mi

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

Webster City, Iowa, USA

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