March weather forecast
Westport, SD

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Weather in March

March, the first month of the spring in Westport, is an icy month, with an average temperature fluctuating between 24.8°F (-4°C) and 39.7°F (4.3°C).

Temperature

The changeover to March signals a significant increase in the average high-temperature, rising from a freezing cold 23.7°F (-4.6°C) in February to a wintry 39.7°F (4.3°C). During March, Westport records an average temperature of 24.8°F (-4°C) at night.

Humidity

The average relative humidity in March is 80%.

Rainfall

In March, in Westport, the rain falls for 7.1 days. Throughout March, 1.1" (28mm) of precipitation is accumulated. In Westport, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In March, it is snowing for 8.7 days. Throughout March, 3.19" (81mm) of snow is accumulated. Throughout the year, there are 54.8 snowfall days, and 19.13" (486mm) of snow is accumulated.

Daylight

In March, the average length of the day in Westport, South Dakota, is 11h and 57min.
On the first day of March in Westport, sunrise is at 7:10 am and sunset at 6:21 pm CST. On the last day of the month, sunrise is at 7:14 am and sunset at 8:01 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 Westport, the average sunshine in March is 5.5h.

UV index

In March, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during March translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

Is it cold in Westport during March?

The average high-temperature and low-temperature in Westport, South Dakota, during March are 39.7°F (4.3°C) and 24.8°F (-4°C) respectively.

What is the average humidity in March in Westport?

In Westport, the average relative humidity in March is 80%.

How much does it rain in Westport in March?

In March, in Westport, South Dakota, the rain falls for 7.1 days. Throughout March, 1.1" (28mm) of precipitation is accumulated.

How many days does it snow in March in Westport?

In Westport, in March, snow falls for 8.7 days, with typically accumulated 3.19" (81mm) of snow.

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

In March, the average day length is 11h and 57min.

What time are sunrise and sunset in March in Westport?

In March, on the first day of the month, sunrise is at 7:10 am and sunset at 6:21 pm CST. On the last day of the month, in Westport, South Dakota, sunrise is at 7:14 am and sunset at 8:01 pm CDT.

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

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

How long on average sun shines in March in Westport?

In Westport, South Dakota, the average sunshine duration in March is 5.5h.

What is the UV index reading in March in Westport?

The average daily maximum UV index in March in Westport is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from 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
Westport, SD

Average temperature in March - Westport, SD
  • Average high temperature in March: 39.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in March: 24.8°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

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Average pressure in March
Westport, SD

Average pressure in March - Westport, SD
  • Average pressure in March: 30.07"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in March
Westport, SD

Average wind speed in March - Westport, SD
  • Average wind speed in March: 9.7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in March
Westport, SD

Average humidity in March - Westport, SD
  • Average humidity in March: 80%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

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Average rainfall in March
Westport, SD

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

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in March
Westport, SD

Average rainfall days in March - Westport, SD
  • Average rainfall days in March: 7.1 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

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Average snowfall in March
Westport, SD

Average snowfall in March - Westport, SD
  • Average snowfall in March: 3.19"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Westport, SD

Average snowfall days in March - Westport, SD
  • Average snowfall days in March: 8.7 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in March: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in March
Westport, SD

Average sunshine days in March - Westport, SD
  • Average sunshine days in March: 16.4 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

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Average UV index in March
Westport, SD

Average UV index in March - Westport, SD
  • Average UV index in March: 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 and November (UV index 1).

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Average cloud cover in March
Westport, SD

Average cloud cover in March - Westport, SD
  • Average cloud cover in March: 54

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

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Average visibility in March
Westport, SD

Average visibility in March - Westport, 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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Westport, South Dakota, USA

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