Climate and monthly 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). 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). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Belle Fourche, South Dakota, with an average temperature ranging between min 17.1°F (-8.3°C) and max 31.3°F (-0.4°C). In Belle Fourche, the average high-temperature in February is practically the same as in January - a still subzero cold 31.3°F (-0.4°C). Weather in February »

Weather in March

March, the first month of the spring in Belle Fourche, is a frosty month, with an average temperature ranging between max 44.2°F (6.8°C) and min 27.9°F (-2.3°C). In March, the average high-temperature rises from a subzero cold 31.3°F (-0.4°C) in February to a chilly 44.2°F (6.8°C). Weather in March »

Weather in April

April in Belle Fourche, South Dakota, is a cool spring month, with an average temperature ranging between max 52.9°F (11.6°C) and min 34.9°F (1.6°C). In Belle Fourche, South Dakota, the average high-temperature in April slightly increases from a chilly 44.2°F (6.8°C) in March to a fresh 52.9°F (11.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Belle Fourche, South Dakota, with an average temperature fluctuating between 63.5°F (17.5°C) and 44.6°F (7°C). In May, the average high-temperature increases from a fresh 52.9°F (11.6°C) in April to an enjoyable 63.5°F (17.5°C). Weather in May »

Weather in June

June, the first month of the summer in Belle Fourche, is a warm month, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 55.2°F (12.9°C). In Belle Fourche, the average high-temperature in June rises from a comfortable 63.5°F (17.5°C) in May to a moderately hot 76.3°F (24.6°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Belle Fourche, South Dakota, with an average temperature ranging between max 85.8°F (29.9°C) and min 63°F (17.2°C). July is the warmest month, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 63°F (17.2°C). The average heat index in July is calculated to be a hot 87.4°F (30.8°C). Weather in July »

Weather in August

August, the last month of the summer in Belle Fourche, is also a moderately hot month, with an average temperature varying between 83.1°F (28.4°C) and 61.5°F (16.4°C). In August, the average high-temperature is essentially the same as in July - a still warm 83.1°F (28.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Belle Fourche, South Dakota, with an average temperature varying between 73.9°F (23.3°C) and 53.6°F (12°C). In September, the average high-temperature decreases from a moderately hot 83.1°F (28.4°C) in August to a still warm 73.9°F (23.3°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Belle Fourche, South Dakota, with an average temperature ranging between max 55.9°F (13.3°C) and min 39.4°F (4.1°C). In Belle Fourche, the average high-temperature in October significantly decreases from a warm 73.9°F (23.3°C) in September to a moderate 55.9°F (13.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Belle Fourche, is also a frosty month, with an average temperature varying between 28.9°F (-1.7°C) and 43.9°F (6.6°C). In November, the average high-temperature drops from a moderate 55.9°F (13.3°C) in October to a chilly 43.9°F (6.6°C). Weather in November »

Weather in December

December, the first month of the winter in Belle Fourche, is still a freezing cold month, with an average temperature fluctuating between 18.1°F (-7.7°C) and 30.4°F (-0.9°C). December is the coldest month, with an average high-temperature of 30.4°F (-0.9°C) and an average low-temperature of 18.1°F (-7.7°C). Weather in December »
[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 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 much does it rain in Belle Fourche?

In Belle Fourche, South Dakota, during the entire year, the rain falls for 100 days and collects up to 12.83" (326mm) of precipitation.

When does it snow in Belle Fourche?

January through May, September through December are months with snowfall.

How much does it snow in Belle Fourche?

Throughout the year, in Belle Fourche, South Dakota, there are 52.1 snowfall days, and 23.54" (598mm) of snow is accumulated.

When is the lowest UV index in Belle Fourche?

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

What is the month with the least sunshine in Belle Fourche?

With an average of 5.5h of sunshine, February has the least sunshine of the year in Belle Fourche.

When is Daylight Saving Time (DST) in Belle Fourche?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

When does it snow the most in Belle Fourche?

The month with the most snowfall is April, when snow falls for 5.1 days and typically aggregates up to 4.88" (124mm) of snow.

What is the rainiest month in Belle Fourche?

May is the month with the most rainfall in Belle Fourche, South Dakota. Rain falls for 14.3 days and accumulates 2.05" (52mm) of precipitation.

When it does not snow in Belle Fourche?

June through August are months without snowfall.

When are the longest days in Belle Fourche?

The month with the longest days in Belle Fourche, South Dakota, is June, with an average of 15h and 31min of daylight.

When is the highest UV index in Belle Fourche?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Belle Fourche, South Dakota.

What is the warmest month in Belle Fourche?

With an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 63°F (17.2°C), July is the warmest month in Belle Fourche, South Dakota.

What is the least humid month in Belle Fourche?

August is the least humid month in Belle Fourche, South Dakota, with an average relative humidity of 47%.

What month has the most sunshine in Belle Fourche?

August has the most sunshine of the year in Belle Fourche, with an average of 11.9h of sunshine.

What is the coldest month in Belle Fourche?

December is the coldest month, with an average high-temperature of 30.4°F (-0.9°C) and an average low-temperature of 18.1°F (-7.7°C).

What is the month with the shortest days in Belle Fourche?

With an average of 8h and 53min of daylight, December has the shortest days of the year in Belle Fourche, South Dakota.

Average temperature
Belle Fourche, SD

Average temperature - Belle Fourche, SD

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).

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
Belle Fourche, SD

Average pressure - Belle Fourche, SD

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
Belle Fourche, SD

Average wind speed - Belle Fourche, SD

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
Belle Fourche, SD

Average humidity - Belle Fourche, SD

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

[Resources]

Average rainfall
Belle Fourche, SD

Average rainfall - Belle Fourche, SD

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
Belle Fourche, SD

Average rainfall days - Belle Fourche, SD

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
Belle Fourche, SD

Average snowfall - Belle Fourche, SD

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
Belle Fourche, SD

Average snowfall days - Belle Fourche, SD

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 / Average sunshine
Belle Fourche, SD

Average daylight / Average sunshine - Belle Fourche, SD

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).

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
Belle Fourche, SD

Average sunshine days - Belle Fourche, SD

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
Belle Fourche, SD

Average UV index - Belle Fourche, SD

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 visibility
Belle Fourche, SD

Average visibility - Belle Fourche, SD

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