January weather forecast
Belle Fourche, SD

Weather in January

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

Temperature

In Belle Fourche, the average high-temperature in January is practically the same as in December - a still freezing cold 30.7°F (-0.7°C). The average low-temperature, in Belle Fourche, is 17.6°F (-8°C).

Humidity

January is the most humid month, 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 are January through May, September through December. In Belle Fourche, snow falls for 9 days, with typically accumulated 2.32" (59mm) of snow. In Belle Fourche, South Dakota, during the entire year, snow falls for 52.1 days and aggregates up to 23.54" (598mm) of snow.

Daylight

In January, the average length of the day in Belle Fourche is 9h and 17min.
On the first day of January, sunrise is at 7:32 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:02 pm MST.

Sunshine

In January, the average sunshine in Belle Fourche is 5.7h.

UV index

The months with the lowest UV index in Belle Fourche are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the most humid month in Belle Fourche?

With an average relative humidity of 80%, January is the most humid month in Belle Fourche, South Dakota.

What is the average humidity in January in Belle Fourche?

In Belle Fourche, South Dakota, the average relative humidity in January is 80%.

What is the driest month in Belle Fourche?

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

How many days does it rain in January in Belle Fourche?

In Belle Fourche, in January, during 2.8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

How much does it snow in Belle Fourche in January?

In Belle Fourche, South Dakota, in January, during 9 snowfall days, 2.32" (59mm) of snow is typically accumulated.

What is the average length of the day in January in Belle Fourche?

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

What time are sunrise and sunset in January in Belle Fourche?

In January, on the first day of the month, sunrise is at 7:32 am and sunset at 4:25 pm. On the last day of the month, in Belle Fourche, South Dakota, sunrise is at 7:14 am and sunset at 5:02 pm MST.

How many hours of sunshine does Belle Fourche have in January?

In January, the average sunshine duration is 5.7h.

When is the lowest UV index in Belle Fourche?

The months with the lowest UV index in Belle Fourche are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in January in Belle Fourche?

In January, the average daily maximum UV index in Belle Fourche, South Dakota, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Belle Fourche, SD

Average temperature in January - Belle Fourche, 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).

[Resources]

Average pressure in January
Belle Fourche, SD

Average pressure in January - Belle Fourche, 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).

[Resources]

Average wind speed in January
Belle Fourche, SD

Average wind speed in January - Belle Fourche, 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).

[Resources]

Average humidity in January
Belle Fourche, SD

Average humidity in January - Belle Fourche, 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%).

[Resources]

Average rainfall in January
Belle Fourche, SD

Average rainfall in January - Belle Fourche, 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").

[Resources]

Average rainfall days in January
Belle Fourche, SD

Average rainfall days in January - Belle Fourche, 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).

[Resources]

Average snowfall in January
Belle Fourche, SD

Average snowfall in January - Belle Fourche, 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").

[Resources]

Average snowfall days in January
Belle Fourche, SD

Average snowfall days in January - Belle Fourche, 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).

[Resources]

Average daylight in January /
Average sunshine in January
Belle Fourche, SD

Average daylight in January / Average sunshine in January - Belle Fourche, SD
  • Average daylight in January: 9h and 17min

The month with the longest days is June (Average daylight: 15h and 31min).
The month with the shortest days is December (Average daylight: 8h and 53min).

  • Average sunshine in January: 5h and 42min

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).

[Resources]

Average sunshine days in January
Belle Fourche, SD

Average sunshine days in January - Belle Fourche, 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).

[Resources]

Average UV index in January
Belle Fourche, SD

Average UV index in January - Belle Fourche, 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).

[Resources]

Average cloud cover in January
Belle Fourche, SD

Average cloud cover in January - Belle Fourche, 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).

[Resources]

Average visibility in January
Belle Fourche, SD

Average visibility in January - Belle Fourche, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location