January weather forecast
Nisland, SD

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Weather in January

January, the same as December, in Nisland, South Dakota, is a freezing cold winter month, with an average temperature varying between 17.6°F (-8°C) and 30.7°F (-0.7°C).

Temperature

With January's advent, Nisland sees an average high-temperature of a still freezing cold 30.7°F (-0.7°C), subtly shifted from December's 30.4°F (-0.9°C). During January, Nisland records an average temperature of 17.6°F (-8°C) at night.

Humidity

The most humid month in Nisland is January, with an average relative humidity of 80%.

Rainfall

The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

Months with snowfall in Nisland are January through May, September through December. In Nisland, South Dakota, in January, snow falls for 9 days, with typically accumulated 2.32" (59mm) of snow. In Nisland, during the entire year, snow falls for 52.1 days and aggregates up to 23.54" (598mm) of snow.

Daylight

The average length of the day in January is 9h and 17min.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:24 pm. On the last day of January, in Nisland, South Dakota, sunrise is at 7:14 am and sunset at 5:00 pm MST.

Sunshine

In January, the average sunshine is 5.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 2 during January translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January in Nisland?

January temperatures in Nisland vary between a high-temperature of 30.7°F (-0.7°C) and a low-temperature of 17.6°F (-8°C).

What is the most humid month in Nisland?

January is the most humid month, with an average relative humidity of 80%.

What is the average humidity in January in Nisland?

In Nisland, the average relative humidity in January is 80%.

What is the driest month in Nisland?

January is the month with the least rainfall. Rain falls for 2.8 days and accumulates 0.43" (11mm) of precipitation.

How many days does it rain in January in Nisland?

In January, in Nisland, South Dakota, the rain falls for 2.8 days. Throughout January, 0.43" (11mm) of precipitation is accumulated.

How much does it snow in Nisland in January?

In Nisland, South Dakota, during January, snow falls for 9 days and regularly aggregates up to 2.32" (59mm) of snow.

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

In Nisland, South Dakota, the average day length in January is 9h and 17min.

When is the sunrise / sunset in January in Nisland?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 4:24 pm. On the last day of the month, in Nisland, sunrise is at 7:14 am and sunset at 5:00 pm MST.

How many hours of sunshine does Nisland have in January?

In Nisland, South Dakota, the average sunshine duration in January is 5.7h.

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Nisland, South Dakota.

How high is the UV index in January in Nisland?

In January, the average daily maximum UV index in Nisland, South Dakota, is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Nisland, SD

Average temperature in January - Nisland, SD
  • Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in January: 17.6°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).

Average pressure in January
Nisland, SD

Average pressure in January - Nisland, SD
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in January
Nisland, SD

Average wind speed in January - Nisland, SD
  • Average wind speed in January: 10.4mph

The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in January
Nisland, SD

Average humidity in January - Nisland, SD
  • Average humidity in January: 80%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (47%).

Average rainfall in January
Nisland, SD

Average rainfall in January - Nisland, SD
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in January
Nisland, SD

Average rainfall days in January - Nisland, SD
  • Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in January
Nisland, SD

Average snowfall in January - Nisland, SD
  • Average snowfall in January: 2.32"

The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Nisland, SD

Average snowfall days in January - Nisland, SD
  • Average snowfall days in January: 9 days

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Nisland, 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: 5h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in January
Nisland, SD

Average sunshine days in January - Nisland, SD
  • Average sunshine days in January: 19.1 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).

Average UV index in January
Nisland, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Nisland, SD

Average cloud cover in January - Nisland, SD
  • Average cloud cover in January: 41

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in January
Nisland, SD

Average visibility in January - Nisland, 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).

Nisland, South Dakota, USA

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