January weather forecast
Alpena, SD

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Weather in January

January, like December, is a freezing cold winter month in Alpena, South Dakota, with temperature in the range of an average high of 23.2°F (-4.9°C) and an average low of 8.2°F (-13.2°C).

Temperature

January, marked by an average high-temperature of 23.2°F (-4.9°C) and a low-temperature of 8.2°F (-13.2°C), is the coldest month.

Humidity

January is the most humid month in Alpena, with an average relative humidity of 88%.

Rainfall

The month with the least rainfall in Alpena, South Dakota, is January, when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.

Snowfall

Months with snowfall in Alpena are January through April, October through December. In Alpena, in January, snow falls for 9.2 days, with typically accumulated 3.11" (79mm) of snow. In Alpena, during the entire year, snow falls for 42.3 days and aggregates up to 16.54" (420mm) of snow.

Daylight

In January, the average length of the day is 9h and 20min.
On the first day of the month, sunrise is at 8:08 am and sunset at 5:05 pm. On the last day of January, in Alpena, sunrise is at 7:52 am and sunset at 5:41 pm CST.

Sunshine

January has the least sunshine of the year in Alpena, South Dakota, with an average of 4.2h of sunshine.

UV index

The months with the lowest UV index in Alpena are January and November, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the coldest time of year in Alpena?

January is the month when Alpena, South Dakota, experiences its coldest temperatures, averaging a high of 23.2°F (-4.9°C) and a low of 8.2°F (-13.2°C).

How cold is January in Alpena?

In January, the average high-temperature and low-temperature in Alpena, South Dakota, are 23.2°F (-4.9°C) and 8.2°F (-13.2°C) respectively.

What is the most humid month in Alpena?

With an average relative humidity of 88%, January is the most humid month.

What is the average humidity in January in Alpena?

In January, the average relative humidity in Alpena is 88%.

What is the driest month in Alpena?

January is the month with the least rainfall in Alpena, South Dakota. Rain falls for 2.7 days and accumulates 0.55" (14mm) of precipitation.

How many days does it rain in January in Alpena?

In Alpena, South Dakota, in January, during 2.7 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How much does it snow in Alpena in January?

In Alpena, South Dakota, in January, snow falls for 9.2 days, with typically accumulated 3.11" (79mm) of snow.

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

In Alpena, the average day length in January is 9h and 20min.

What time are sunrise and sunset in January in Alpena?

On the first day of January, sunrise is at 8:08 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:41 pm CST.

What is the month with the least sunshine in Alpena?

With an average of 4.2h of sunshine, January has the least sunshine of the year in Alpena.

How long on average sun shines in January in Alpena?

In Alpena, South Dakota, the average sunshine duration in January is 4.2h.

When is the lowest UV index in Alpena?

The months with the lowest UV index in Alpena, South Dakota, are January and November, with an average maximum UV index of 1.

How high is the UV index in January in Alpena?

The average daily maximum UV index in January in Alpena is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
27.3°F -2.6°C
23.2°F -4.9°C
26.1°F -3.3°C
Average low temperature
14.7°F -9.6°C
8.2°F -13.2°C
12°F -11.1°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.16" 766mmHg
Average wind speed
9.9mph 15.9km/h
9.9mph 15.9km/h
9.9mph 15.9km/h
Average max. wind speed
10.7mph 17.2km/h
10.7mph 17.2km/h
10.6mph 17.1km/h
Average wind speed gusts
16.3mph 26.2km/h
16.8mph 27km/h
15.8mph 25.4km/h
Average humidity
84%
88%
82%
Average rainfall
0.79" 20mm
0.55" 14mm
0.59" 15mm
Average rainfall days
3
2.7
1.8
Average snowfall
2.95" 75mm
3.11" 79mm
3.54" 90mm
Average snowfall days
9.5
9.2
8.6
Average daylight
8h 5min
9h 2min
10h 3min
Average sunshine
4h 3min
4h 1min
5h 2min
Average sunshine days
20.9
19.8
18.5
Average UV index
2
1
2
Average cloud cover
50%
54%
51%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Alpena, SD

Average temperature in January - Alpena, SD
  • Average high temperature in January: 23.2°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in January: 8.2°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

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Average pressure in January
Alpena, SD

Average pressure in January - Alpena, SD
  • Average pressure in January: 30.16"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in January
Alpena, SD

Average wind speed in January - Alpena, SD
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

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Average humidity in January
Alpena, SD

Average humidity in January - Alpena, SD
  • Average humidity in January: 88%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).

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Average rainfall in January
Alpena, SD

Average rainfall in January - Alpena, SD
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in January
Alpena, SD

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

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).

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Average snowfall in January
Alpena, SD

Average snowfall in January - Alpena, SD
  • Average snowfall in January: 3.11"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Alpena, SD

Average snowfall days in January - Alpena, SD
  • Average snowfall days in January: 9.2 days

The month with the highest number of snowfall days is December (9.5 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
Alpena, SD

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in January
Alpena, SD

Average sunshine days in January - Alpena, SD
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in January
Alpena, SD

Average UV index in January - Alpena, SD
  • Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 1).

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Average cloud cover in January
Alpena, SD

Average cloud cover in January - Alpena, SD
  • Average cloud cover in January: 54

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).

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Average visibility in January
Alpena, SD

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

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