January weather forecast
Worthing, SD

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Weather in January

January, like December, is a freezing cold winter month in Worthing, South Dakota, with an average temperature fluctuating between 24.3°F (-4.3°C) and 10.8°F (-11.8°C).

Temperature

January, with its average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 10.8°F (-11.8°C), holds the record as the coldest month.

Humidity

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

Rainfall

January, February and November are months with the least rain when the rain falls for 3.3 days and typically aggregates up to 0.47" (12mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Worthing, in January, during 9.5 snowfall days, 2.44" (62mm) of snow is typically accumulated. Throughout the year, there are 38.7 snowfall days, and 12.76" (324mm) of snow is accumulated.

Daylight

In Worthing, the average length of the day in January is 9h and 25min.
On the first day of January, sunrise is at 7:59 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:36 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.2h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January is the month that records the lowest temperatures, with averages ranging from a high of 24.3°F (-4.3°C) to a low of 10.8°F (-11.8°C).

How cold is it in January?

In Worthing, 24.3°F (-4.3°C) is the average high-temperature and 10.8°F (-11.8°C) is the average low-temperature during January.

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 Worthing, the average relative humidity in January is 87%.

What is the driest month?

The months with the least rainfall are January, February and November Rain falls for 3.3 days and accumulates 0.47" (12mm) of rain.

How many days does it rain in January?

In Worthing, during January, the rain falls for 3.3 days and regularly aggregates up to 0.47" (12mm) of precipitation.

How many days does it snow in January?

In Worthing, in January, during 9.5 snowfall days, 2.44" (62mm) of snow is typically accumulated.

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

In January, the average day length is 9h and 25min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:59 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:36 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4.2h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 4.2h.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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
Worthing, SD

Average temperature in January - Worthing, SD
  • Average high temperature in January: 24.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in January
Worthing, SD

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

Average wind speed in January
Worthing, SD

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

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity in January
Worthing, SD

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

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).

Average rainfall in January
Worthing, SD

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

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").

Average rainfall days in January
Worthing, SD

Average rainfall days in January - Worthing, SD
  • Average rainfall days in January: 3.3 days

The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in January
Worthing, SD

Average snowfall in January - Worthing, SD
  • Average snowfall in January: 2.44"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Worthing, SD

Average snowfall days in January - Worthing, SD
  • Average snowfall days in January: 9.5 days

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 4h 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: 4h and 12min).

Average sunshine days in January
Worthing, SD

Average sunshine days in January - Worthing, SD
  • Average sunshine days in January: 20.4 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in January
Worthing, SD

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

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

Average cloud cover in January
Worthing, SD

Average cloud cover in January - Worthing, 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 25).

Average visibility in January
Worthing, SD

Average visibility in January - Worthing, 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).

Worthing, South Dakota, USA

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