March weather forecast
Rapid City, SD

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A scenic panorama of the Rapid City in South Dakota
A scenic panorama of the Rapid City in South Dakota

Weather in March

The arrival of March ushers in subtle signs of spring in Rapid City. The days become noticeably longer, and temperatures start to climb, mirroring the seasonal transition. Snowfall starts to dwindle with highest temperature now sitting comfortably at 45.5°F (7.5°C). A slight dip in relative humidity occurs offering a less damp atmosphere. As the month progresses, the city experiences a tangible increase in rainfall, a trend that continues into the following month.

Temperature

In Rapid City, the average high-temperature in March increases from a cold 33.4°F (0.8°C) in February to a chilly 45.5°F (7.5°C). Rapid City's average low-temperature is measured at a subzero cold 28.8°F (-1.8°C) during March.

Humidity

The average relative humidity in March is 69%.

Rainfall

In Rapid City, in March, it is raining for 9.4 days, with typically 1.14" (29mm) of accumulated precipitation. In Rapid City, during the entire year, the rain falls for 118.8 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Rapid City. In Rapid City, in March, during 7.5 snowfall days, 4.21" (107mm) of snow is typically accumulated. Throughout the year, in Rapid City, South Dakota, there are 50.4 snowfall days, and 24.41" (620mm) of snow is accumulated.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 6:28 am and sunset at 5:41 pm MST. On the last day of March, in Rapid City, sunrise is at 6:34 am and sunset at 7:19 pm MDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from MDT to MST.

Sunshine

The average sunshine in March in Rapid City, South Dakota, is 7.7h.

UV index

In Rapid City, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 3 in March transforms into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Rapid City in March?

March temperatures vary between a high-temperature of 45.5°F (7.5°C) and a low-temperature of 28.8°F (-1.8°C).

What is the average humidity in March in Rapid City?

In Rapid City, South Dakota, the average relative humidity in March is 69%.

How much does it rain in Rapid City in March?

In Rapid City, during March, the rain falls for 9.4 days and regularly aggregates up to 1.14" (29mm) of precipitation.

How much does it snow in Rapid City in March?

In March, in Rapid City, South Dakota, it is snowing for 7.5 days. Throughout March, 4.21" (107mm) of snow is accumulated.

How many hours of daylight does Rapid City have in March?

In March, the average day length in Rapid City, South Dakota, is 11h and 58min.

When are sunrise and sunset in March in Rapid City?

On the first day of March, sunrise is at 6:28 am and sunset at 5:41 pm MST. On the last day of the month, sunrise is at 6:34 am and sunset at 7:19 pm MDT.

When does Daylight Saving Time (DST) start in March in Rapid City?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rapid City, South Dakota, and the time zone changes from MST to MDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Rapid City?

The average sunshine duration in March in Rapid City is 7.7h.

How high is the UV index in March in Rapid City?

The average daily maximum UV index in March in Rapid City is 3. A UV Index estimate of 3 to 5 represents a medium 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 March
Rapid City, SD

Average temperature in March - Rapid City, SD
  • Average high temperature in March: 45.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in March: 28.8°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

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Average pressure in March
Rapid City, SD

Average pressure in March - Rapid City, SD
  • Average pressure in March: 30.01"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).

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Average wind speed in March
Rapid City, SD

Average wind speed in March - Rapid City, SD
  • Average wind speed in March: 9.5mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).

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Average humidity in March
Rapid City, SD

Average humidity in March - Rapid City, SD
  • Average humidity in March: 69%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).

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Average rainfall in March
Rapid City, SD

Average rainfall in March - Rapid City, SD
  • Average rainfall in March: 1.14"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in March
Rapid City, SD

Average rainfall days in March - Rapid City, SD
  • Average rainfall days in March: 9.4 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).

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Average snowfall in March
Rapid City, SD

Average snowfall in March - Rapid City, SD
  • Average snowfall in March: 4.21"

The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in March
Rapid City, SD

Average snowfall days in March - Rapid City, SD
  • Average snowfall days in March: 7.5 days

The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in March /
Average sunshine in March
Rapid City, SD

Average daylight in March / Average sunshine in March - Rapid City, SD
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in March: 7h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

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Average sunshine days in March
Rapid City, SD

Average sunshine days in March - Rapid City, SD
  • Average sunshine days in March: 16.2 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).

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Average UV index in March
Rapid City, SD

Average UV index in March - Rapid City, SD
  • Average UV index in March: 3

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

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Average cloud cover in March
Rapid City, SD

Average cloud cover in March - Rapid City, SD
  • Average cloud cover in March: 37

The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in March
Rapid City, SD

Average visibility in March - Rapid City, SD
  • Average visibility in March: 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).

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Rapid City, South Dakota, USA

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