March weather forecast
Erwin, SD

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Weather in March

March, the first month of the spring in Erwin, is an icy month, with temperature in the range of an average low of 23.7°F (-4.6°C) and an average high of 38.1°F (3.4°C).

Temperature

In Erwin, the average high-temperature in March soars, from a freezing cold 22.5°F (-5.3°C) in February, to a cold 38.1°F (3.4°C). Erwin observes an average nighttime temperature of 23.7°F (-4.6°C) during March.

Humidity

In March, the average relative humidity in Erwin is 82%.

Rainfall

In Erwin, in March, during 7.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in Erwin, there are 112.3 rainfall days, and 18.78" (477mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Erwin, in March, during 10 snowfall days, 2.2" (56mm) of snow is typically accumulated. Throughout the year, in Erwin, there are 64.3 snowfall days, and 17.56" (446mm) of snow is accumulated.

Daylight

In Erwin, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 7:05 am and sunset at 6:18 pm CST. On the last day of March, sunrise is at 7:10 am and sunset at 7:56 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

In Erwin, the average sunshine in March is 5.4h.

UV index

In March, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 2 in March translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

Is March cold in Erwin?

The average high-temperature, in March, in Erwin, is 38.1°F (3.4°C), while the average low-temperature is 23.7°F (-4.6°C).

What is the average humidity in March in Erwin?

In March, the average relative humidity in Erwin is 82%.

How many days does it rain in March in Erwin?

In Erwin, during March, the rain falls for 7.8 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How much does it snow in Erwin in March?

In March, in Erwin, it is snowing for 10 days. Throughout March, 2.2" (56mm) of snow is accumulated.

How many hours of daylight does Erwin have in March?

The average day length in March is 11h and 58min.

When is the sunrise / sunset in March in Erwin?

On the first day of March in Erwin, South Dakota, sunrise is at 7:05 am and sunset at 6:18 pm CST. On the last day of the month, sunrise is at 7:10 am and sunset at 7:56 pm CDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Erwin, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Erwin have in March?

In Erwin, the average sunshine duration in March is 5.4h.

What is the UV index reading in March in Erwin?

In Erwin, South Dakota, the average daily maximum UV index in March 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Erwin, SD

Average temperature in March - Erwin, SD
  • Average high temperature in March: 38.1°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in March: 23.7°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).

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Average pressure in March
Erwin, SD

Average pressure in March - Erwin, SD
  • Average pressure in March: 30.08"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in March
Erwin, SD

Average wind speed in March - Erwin, SD
  • Average wind speed in March: 10.9mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity in March
Erwin, SD

Average humidity in March - Erwin, SD
  • Average humidity in March: 82%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).

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Average rainfall in March
Erwin, SD

Average rainfall in March - Erwin, SD
  • Average rainfall in March: 1.02"

The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").

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Average rainfall days in March
Erwin, SD

Average rainfall days in March - Erwin, SD
  • Average rainfall days in March: 7.8 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).

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Average snowfall in March
Erwin, SD

Average snowfall in March - Erwin, SD
  • Average snowfall in March: 2.2"

The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Erwin, SD

Average snowfall days in March - Erwin, SD
  • Average snowfall days in March: 10 days

The month with the highest number of snowfall days is January (14.4 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
Erwin, SD

Average daylight in March / Average sunshine in March - Erwin, 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: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in March
Erwin, SD

Average sunshine days in March - Erwin, SD
  • Average sunshine days in March: 14.2 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in March
Erwin, SD

Average UV index in March - Erwin, SD
  • Average UV index in March: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in March
Erwin, SD

Average cloud cover in March - Erwin, SD
  • Average cloud cover in March: 56

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in March
Erwin, SD

Average visibility in March - Erwin, SD
  • Average visibility in March: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Erwin, South Dakota, USA

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