January weather forecast
Alexandria, SD

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Weather in January

January, like December, is a freezing cold winter month in Alexandria, South Dakota, with temperature in the range of an average high of 24.4°F (-4.2°C) and an average low of 10.2°F (-12.1°C).

Temperature

January is the month when Alexandria sees the lowest average temperatures, with a high of 24.4°F (-4.2°C) and a low of 10.2°F (-12.1°C).

Humidity

January is the most humid month, with an average relative humidity of 87%.

Rainfall

In January, the rain falls for 2.6 days. Throughout January, 0.31" (8mm) of precipitation is accumulated. In Alexandria, during the entire year, the rain falls for 93.2 days and collects up to 11.3" (287mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Alexandria, during January, snow falls for 8.7 days and regularly aggregates up to 1.38" (35mm) of snow. Throughout the year, there are 35.3 snowfall days, and 7.17" (182mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 23min.
On the first day of the month, sunrise is at 8:04 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:48 am and sunset at 5:40 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.4h of sunshine.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 1 during January leads to these instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Alexandria's coldest month, January, generally records average temperatures ranging from a high of 24.4°F (-4.2°C) to a low of 10.2°F (-12.1°C).

How cold is January?

The average high-temperature and low-temperature during January are 24.4°F (-4.2°C) and 10.2°F (-12.1°C) respectively.

What is the most humid month?

The most humid month is January, with an average relative humidity of 87%.

What is the average humidity in January?

In Alexandria, the average relative humidity in January is 87%.

How many days does it rain in January?

In January, the rain falls for 2.6 days. Throughout January, 0.31" (8mm) of precipitation is accumulated.

How many days does it snow in January?

In Alexandria, during January, snow falls for 8.7 days and regularly aggregates up to 1.38" (35mm) of snow.

How many hours of daylight does Alexandria have in January?

In January, the average day length is 9h and 23min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 8:04 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:40 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.4h of sunshine.

How many hours of sunshine does Alexandria have in January?

In January, the average sunshine duration in Alexandria is 4.4h.

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?

In Alexandria, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health threat 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
Alexandria, SD

Average temperature in January - Alexandria, SD
  • Average high temperature in January: 24.4°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 (24.4°F).

  • Average low temperature in January: 10.2°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).

Average pressure in January
Alexandria, SD

Average pressure in January - Alexandria, 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 (29.85"Hg).

Average wind speed in January
Alexandria, SD

Average wind speed in January - Alexandria, SD
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).

Average humidity in January
Alexandria, SD

Average humidity in January - Alexandria, SD
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are September and October (63%).

Average rainfall in January
Alexandria, SD

Average rainfall in January - Alexandria, SD
  • Average rainfall in January: 0.31"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and November (0.28").

Average rainfall days in January
Alexandria, SD

Average rainfall days in January - Alexandria, SD
  • Average rainfall days in January: 2.6 days

The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in January
Alexandria, SD

Average snowfall in January - Alexandria, SD
  • Average snowfall in January: 1.38"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Alexandria, SD

Average snowfall days in January - Alexandria, SD
  • Average snowfall days in January: 8.7 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Alexandria, 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 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in January
Alexandria, SD

Average sunshine days in January - Alexandria, SD
  • Average sunshine days in January: 21.6 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in January
Alexandria, SD

Average UV index in January - Alexandria, SD
  • 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
Alexandria, SD

Average cloud cover in January - Alexandria, SD
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 22).

Average visibility in January
Alexandria, SD

Average visibility in January - Alexandria, 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).

Alexandria, South Dakota, USA

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