January weather forecast
Clinton, IA

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Weather in January

January weather in Clinton, Iowa, typically presents a true Midwestern winter experience. The chill of the season kicks in full gear with the coldest temperatures reaching as low as 14.5°F (-9.7°C). This stands in contrast to the relatively milder climate of the ensuing months. The city also faces an increased likelihood of snowfall, resulting in a frosty landscape. Cold, crisp, and snowy, January marks the peak of Clinton's winter season.

Temperature

January, with average temperatures reaching a high of 26.8°F (-2.9°C) and a low of 14.5°F (-9.7°C), is the coldest month in Clinton.

Humidity

With an average relative humidity of 85%, January is the most humid month.

Rainfall

The months with the least rainfall in Clinton are January and February Rain falls for 4.3 days and accumulates 0.79" (20mm) of rain.

Snowfall

Months with snowfall in Clinton are January through April, October through December. The month with the most snowfall in Clinton is January, when snow falls for 9.3 days and typically aggregates up to 2.8" (71mm) of snow.

Daylight

In January, the average length of the day in Clinton is 9h and 33min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:40 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:14 pm CST.

Sunshine

With an average of 3.9h of sunshine, January has the least sunshine of the year in Clinton.

UV index

With an average maximum UV index of 1, January is the month with the lowest UV index in Clinton, Iowa. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 1 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the coldest time of year in Clinton?

Clinton's January weather, marked by an average high temperature of 26.8°F (-2.9°C) and an average low temperature of 14.5°F (-9.7°C), is the coldest in the year.

How cold is it in Clinton in January?

January temperatures in Clinton, Iowa, vary between a high-temperature of 26.8°F (-2.9°C) and a low-temperature of 14.5°F (-9.7°C).

What is the most humid month in Clinton?

January is the most humid month, with an average relative humidity of 85%.

What is the average humidity in January in Clinton?

The average relative humidity in January in Clinton is 85%.

What is the driest month in Clinton?

January and February are months with the least rain when the rain falls for 4.3 days and typically aggregates up to 0.79" (20mm) of rain.

How many days does it rain in January in Clinton?

In January, in Clinton, the rain falls for 4.3 days. Throughout January, 0.79" (20mm) of precipitation is accumulated.

What is the snowiest month in Clinton?

January is the month with the most snowfall in Clinton, Iowa. Snow falls for 9.3 days and accumulates 2.8" (71mm) of snow.

How much does it snow in Clinton in January?

In Clinton, in January, snow falls for 9.3 days, with typically accumulated 2.8" (71mm) of snow.

How many hours of daylight does Clinton have in January?

The average day length in January in Clinton is 9h and 33min.

When is the sunrise / sunset in January in Clinton?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:40 pm. On the last day of the month, in Clinton, Iowa, sunrise is at 7:14 am and sunset at 5:14 pm CST.

What is the month with the least sunshine in Clinton?

The month with the least sunshine in Clinton, Iowa, is January, with an average of 3.9h of sunshine.

How long on average sun shines in January in Clinton?

In January, the average sunshine duration is 3.9h.

What is the month with the lowest UV index in Clinton?

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

What is the UV index reading in January in Clinton?

In Clinton, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
33.6°F 0.9°C
26.8°F -2.9°C
31.5°F -0.3°C
Average low temperature
22.8°F -5.1°C
14.5°F -9.7°C
18.3°F -7.6°C
Average pressure
30.1" 765mmHg
30.13" 765mmHg
30.11" 765mmHg
Average wind speed
9.6mph 15.4km/h
10mph 16.1km/h
10.1mph 16.3km/h
Average max. wind speed
10.1mph 16.3km/h
10.7mph 17.2km/h
10.8mph 17.4km/h
Average wind speed gusts
15.2mph 24.5km/h
16mph 25.7km/h
16.1mph 25.9km/h
Average humidity
82%
85%
84%
Average rainfall
0.87" 22mm
0.79" 20mm
0.79" 20mm
Average rainfall days
5.9
4.3
4.8
Average snowfall
1.54" 39mm
2.8" 71mm
2.2" 56mm
Average snowfall days
6.7
9.3
8.3
Average daylight
9h 1min
9h 4min
10h 4min
Average sunshine
4h 1min
3h 5min
4h 1min
Average sunshine days
18.9
17.7
16.3
Average UV index
2
1
2
Average cloud cover
56%
59%
56%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Clinton, IA

Average temperature in January - Clinton, IA
  • Average high temperature in January: 26.8°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in January: 14.5°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 (14.5°F).

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Average pressure in January
Clinton, IA

Average pressure in January - Clinton, IA
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Clinton, IA

Average wind speed in January - Clinton, IA
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in January
Clinton, IA

Average humidity in January - Clinton, IA
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
Clinton, IA

Average rainfall in January - Clinton, IA
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January and February (0.79").

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Average rainfall days in January
Clinton, IA

Average rainfall days in January - Clinton, IA
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in January
Clinton, IA

Average snowfall in January - Clinton, IA
  • Average snowfall in January: 2.8"

The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Clinton, IA

Average snowfall days in January - Clinton, IA
  • Average snowfall days in January: 9.3 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

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 12min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in January
Clinton, IA

Average sunshine days in January - Clinton, IA
  • Average sunshine days in January: 17.7 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in January
Clinton, IA

Average UV index in January - Clinton, IA
  • Average UV index in January: 1

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

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Average cloud cover in January
Clinton, IA

Average cloud cover in January - Clinton, IA
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).

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Average visibility in January
Clinton, IA

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

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

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Clinton, Iowa, USA

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