March weather forecast
Opal, SD

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Weather in March

March, the first month of the spring in Opal, is a frosty month, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 43.2°F (6.2°C).

Temperature

March's arrival coincides with a temperature rise, moving from February's subzero cold 29.1°F (-1.6°C) to a chilly 43.2°F (6.2°C). Opal experiences a mean temperature of 27.9°F (-2.3°C) during March nights.

Humidity

In Opal, the average relative humidity in March is 73%.

Rainfall

In March, in Opal, South Dakota, the rain falls for 8 days. Throughout March, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Opal, South Dakota, there are 99.7 rainfall days, and 16.06" (408mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In March, in Opal, it is snowing for 9.3 days. Throughout March, 4.13" (105mm) of snow is accumulated. Throughout the year, in Opal, South Dakota, there are 58.3 snowfall days, and 22.95" (583mm) of snow is accumulated.

Daylight

In Opal, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:25 am and sunset at 5:38 pm MST. On the last day of March, in Opal, sunrise is at 6:30 am and sunset at 7:16 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

In March, the average sunshine is 6.4h.

UV index

The average daily maximum UV index in March in Opal, South Dakota, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 3 during March translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is March in Opal?

During March, Opal experiences an average high-temperature of 43.2°F (6.2°C) and a low-temperature of 27.9°F (-2.3°C).

What is the average humidity in March in Opal?

In Opal, the average relative humidity in March is 73%.

How much does it rain in Opal in March?

In Opal, South Dakota, in March, it is raining for 8 days, with typically 1.1" (28mm) of accumulated precipitation.

How much does it snow in Opal in March?

In Opal, South Dakota, in March, during 9.3 snowfall days, 4.13" (105mm) of snow is typically accumulated.

What is the average length of the day in March in Opal?

In March, the average day length in Opal is 11h and 58min.

When are sunrise and sunset in March in Opal?

On the first day of March in Opal, South Dakota, sunrise is at 6:25 am and sunset at 5:38 pm MST. On the last day of the month, sunrise is at 6:30 am and sunset at 7:16 pm MDT.

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

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

How many hours of sunshine does Opal have in March?

In March, the average sunshine duration is 6.4h.

How high is the UV index in March in Opal?

The average daily maximum UV index in March in Opal, South Dakota, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 March
Opal, SD

Average temperature in March - Opal, SD
  • Average high temperature in March: 43.2°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in March: 27.9°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in March
Opal, SD

Average pressure in March - Opal, SD
  • Average pressure in March: 30.04"Hg

The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in March
Opal, SD

Average wind speed in March - Opal, SD
  • Average wind speed in March: 11.2mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest months (with the lowest average wind speed) are February and August (10.4mph).

Average humidity in March
Opal, SD

Average humidity in March - Opal, SD
  • Average humidity in March: 73%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (49%).

Average rainfall in March
Opal, SD

Average rainfall in March - Opal, SD
  • Average rainfall in March: 1.1"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in March
Opal, SD

Average rainfall days in March - Opal, SD
  • Average rainfall days in March: 8 days

The month with the highest number of rainy days is May (14.7 days).
The months with the least rainy days are January and February (3.3 days).

Average snowfall in March
Opal, SD

Average snowfall in March - Opal, SD
  • Average snowfall in March: 4.13"

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Opal, SD

Average snowfall days in March - Opal, SD
  • Average snowfall days in March: 9.3 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Opal, SD

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in March: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in March
Opal, SD

Average sunshine days in March - Opal, SD
  • Average sunshine days in March: 14.3 days

The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is April (12.4 days).

Average UV index in March
Opal, SD

Average UV index in March - Opal, SD
  • Average UV index in March: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in March
Opal, SD

Average cloud cover in March - Opal, SD
  • Average cloud cover in March: 47

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).

Average visibility in March
Opal, SD

Average visibility in March - Opal, 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).

Opal, South Dakota, USA

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