January weather forecast
Andover, SD

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Weather in January

January, like December, is a freezing cold winter month in Andover, South Dakota, with temperature in the range of an average high of 18.9°F (-7.3°C) and an average low of 5°F (-15°C).

Temperature

January stands out as Andover's coldest month, with an average high-temperature of 18.9°F (-7.3°C) and a low-temperature of 5°F (-15°C).

Humidity

January is the most humid month in Andover, with an average relative humidity of 91%.

Rainfall

In January, in Andover, South Dakota, the rain falls for 2.5 days. Throughout January, 0.71" (18mm) of precipitation is accumulated. In Andover, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.

Snowfall

Months with snowfall in Andover are January through May, October through December. In Andover, in January, snow falls for 15.1 days, with typically accumulated 4.45" (113mm) of snow. Throughout the year, there are 68.4 snowfall days, and 23.74" (603mm) of snow is accumulated.

Daylight

The average length of the day in January in Andover is 9h and 12min.
On the first day of the month, sunrise is at 8:11 am and sunset at 4:58 pm. On the last day of January, in Andover, sunrise is at 7:53 am and sunset at 5:36 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3.2h of sunshine.

UV index

The months with the lowest UV index in Andover are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Andover?

Andover reaches its average lowest temperatures in January, measuring 18.9°F (-7.3°C) at the peak and 5°F (-15°C) at the lowest.

How cold is January in Andover?

In January, the average high-temperature and low-temperature in Andover are 18.9°F (-7.3°C) and 5°F (-15°C) respectively.

What is the most humid month in Andover?

January is the most humid month in Andover, South Dakota, with an average relative humidity of 91%.

What is the average humidity in January in Andover?

The average relative humidity in January in Andover, South Dakota, is 91%.

How many days does it rain in January in Andover?

In Andover, South Dakota, during January, the rain falls for 2.5 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How much does it snow in Andover in January?

In Andover, South Dakota, in January, snow falls for 15.1 days, with typically accumulated 4.45" (113mm) of snow.

How many hours of daylight does Andover have in January?

The average day length in January in Andover is 9h and 12min.

When are sunrise and sunset in January in Andover?

On the first day of January in Andover, South Dakota, sunrise is at 8:11 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:36 pm CST.

What is the month with the least sunshine in Andover?

With an average of 3.2h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Andover have in January?

In Andover, the average sunshine duration in January is 3.2h.

What are the months with the lowest UV index in Andover?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Andover.

How high is the UV index in January in Andover?

In Andover, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Andover, SD

Average temperature in January - Andover, SD
  • Average high temperature in January: 18.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in January: 5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).

Average pressure in January
Andover, SD

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

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Andover, SD

Average wind speed in January - Andover, SD
  • Average wind speed in January: 11mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

Average humidity in January
Andover, SD

Average humidity in January - Andover, SD
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).

Average rainfall in January
Andover, SD

Average rainfall in January - Andover, SD
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").

Average rainfall days in January
Andover, SD

Average rainfall days in January - Andover, SD
  • Average rainfall days in January: 2.5 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in January
Andover, SD

Average snowfall in January - Andover, SD
  • Average snowfall in January: 4.45"

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Andover, SD

Average snowfall days in January - Andover, SD
  • Average snowfall days in January: 15.1 days

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Andover, SD
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in January
Andover, SD

Average sunshine days in January - Andover, SD
  • Average sunshine days in January: 14.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in January
Andover, SD

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

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

Average cloud cover in January
Andover, SD

Average cloud cover in January - Andover, SD
  • Average cloud cover in January: 66

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in January
Andover, SD

Average visibility in January - Andover, SD
  • Average visibility in January: 5mi

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

Andover, South Dakota, USA

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