January weather forecast
Witten, SD

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Weather in January

January, the same as December, in Witten, South Dakota, is a freezing cold winter month, with an average temperature varying between 15.6°F (-9.1°C) and 28.8°F (-1.8°C).

Temperature

The month of January, characterized by an average high of 28.8°F (-1.8°C) and a low of 15.6°F (-9.1°C), is recognized as the coldest.

Humidity

The most humid month in Witten is January, with an average relative humidity of 82%.

Rainfall

January is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.47" (12mm) of precipitation.

Snowfall

Months with snowfall in Witten are January through May, October through December. In Witten, in January, during 9.6 snowfall days, 2.64" (67mm) of snow is typically accumulated. In Witten, South Dakota, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.

Daylight

The average length of the day in January in Witten is 9h and 24min.
On the first day of the month, sunrise is at 8:13 am and sunset at 5:14 pm. On the last day of January, sunrise is at 7:57 am and sunset at 5:49 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.9h of sunshine.

UV index

In Witten, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during January translates into the following directions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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 are the coldest months in Witten?

January, with an average high of 28.8°F (-1.8°C) and a low of 15.6°F (-9.1°C), signifies the coldest month of the year.

How cold is January in Witten?

An average high-temperature, in January, in Witten, is 28.8°F (-1.8°C) and the average low-temperature is 15.6°F (-9.1°C).

What is the most humid month in Witten?

January is the most humid month in Witten, South Dakota, with an average relative humidity of 82%.

What is the average humidity in January in Witten?

In Witten, South Dakota, the average relative humidity in January is 82%.

What is the driest month in Witten?

January is the month with the least rainfall in Witten. Rain falls for 2.7 days and accumulates 0.47" (12mm) of precipitation.

How much does it rain in Witten in January?

In Witten, during January, the rain falls for 2.7 days and regularly aggregates up to 0.47" (12mm) of precipitation.

How much does it snow in Witten in January?

In January, in Witten, South Dakota, it is snowing for 9.6 days. Throughout January, 2.64" (67mm) of snow is accumulated.

What is the average length of the day in January in Witten?

In Witten, South Dakota, the average day length in January is 9h and 24min.

When is the sunrise / sunset in January in Witten?

On the first day of January in Witten, South Dakota, sunrise is at 8:13 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:49 pm CST.

What is the month with the least sunshine in Witten?

The month with the least sunshine in Witten is January, with an average of 4.9h of sunshine.

How long on average sun shines in January in Witten?

In January, the average sunshine duration in Witten, South Dakota, is 4.9h.

How high is the UV index in January in Witten?

In Witten, South Dakota, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
31.1°F -0.5°C
28.8°F -1.8°C
32.5°F 0.3°C
Average low temperature
18.3°F -7.6°C
15.6°F -9.1°C
18.1°F -7.7°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.14" 766mmHg
Average wind speed
10.9mph 17.5km/h
11.1mph 17.9km/h
10.6mph 17.1km/h
Average max. wind speed
11.6mph 18.7km/h
11.9mph 19.2km/h
11.3mph 18.2km/h
Average wind speed gusts
18.5mph 29.8km/h
18.9mph 30.4km/h
17mph 27.4km/h
Average humidity
79%
82%
76%
Average rainfall
0.79" 20mm
0.47" 12mm
0.51" 13mm
Average rainfall days
3.5
2.7
2.7
Average snowfall
3.19" 81mm
2.64" 67mm
2.52" 64mm
Average snowfall days
8
9.6
8
Average daylight
9h 0min
9h 2min
10h 3min
Average sunshine
5h 1min
4h 5min
6h 1min
Average sunshine days
20.2
19.7
18.3
Average UV index
1
2
2
Average cloud cover
44%
47%
46%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Witten, SD

Average temperature in January - Witten, SD
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 15.6°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in January
Witten, SD

Average pressure in January - Witten, SD
  • 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 (29.84"Hg).

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Average wind speed in January
Witten, SD

Average wind speed in January - Witten, SD
  • Average wind speed in January: 11.1mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

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Average humidity in January
Witten, SD

Average humidity in January - Witten, SD
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).

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Average rainfall in January
Witten, SD

Average rainfall in January - Witten, SD
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in January
Witten, SD

Average rainfall days in January - Witten, SD
  • Average rainfall days in January: 2.7 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).

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Average snowfall in January
Witten, SD

Average snowfall in January - Witten, SD
  • Average snowfall in January: 2.64"

The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Witten, SD

Average snowfall days in January - Witten, SD
  • 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 June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Witten, SD

Average daylight in January / Average sunshine in January - Witten, SD
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in January
Witten, SD

Average sunshine days in January - Witten, SD
  • Average sunshine days in January: 19.7 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in January
Witten, SD

Average UV index in January - Witten, SD
  • Average UV index in January: 2

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

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Average cloud cover in January
Witten, SD

Average cloud cover in January - Witten, SD
  • Average cloud cover in January: 47

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).

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Average visibility in January
Witten, SD

Average visibility in January - Witten, SD
  • 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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Witten, South Dakota, USA

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