March weather forecastPorcupine, SD
March
Weather in March
March, the first month of the spring in Porcupine, is a chilly month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 48.7°F (9.3°C).Temperature
The start of March signals a clear increase in the average high-temperature, soaring from an icy 33.8°F (1°C) in February to a frosty 48.7°F (9.3°C). During the nights in March, the temperature in Porcupine averages to a freezing cold 30.6°F (-0.8°C).Humidity
In Porcupine, the average relative humidity in March is 65%.Rainfall
In Porcupine, during March, the rain falls for 7.8 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 86.7 rainfall days, and 13.66" (347mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Porcupine, in March, during 5.8 snowfall days, 3.35" (85mm) of snow is typically accumulated. Throughout the year, in Porcupine, there are 47.4 snowfall days, and 22.72" (577mm) of snow is accumulated.Daylight
In Porcupine, the average length of the day in March is 11h and 58min.On the first day of March, sunrise is at 6:23 am and sunset at 5:39 pm MST. On the last day of the month, sunrise is at 6:31 am and sunset at 7:15 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 is 7.2h.UV index
In Porcupine, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 3 in March leads to these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Porcupine, SD
- Average high temperature in March: 48.7°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in March: 30.6°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in March
Porcupine, SD
- Average pressure in March: 30"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in March
Porcupine, SD
- Average wind speed in March: 11.2mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in March
Porcupine, SD
- Average humidity in March: 65%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).
Average rainfall in March
Porcupine, SD
- Average rainfall in March: 1.14"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in March
Porcupine, SD
- Average rainfall days in March: 7.8 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).
Average snowfall in March
Porcupine, SD
- Average snowfall in March: 3.35"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in March
Porcupine, SD
- Average snowfall days in March: 5.8 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in March /
Average sunshine in March
Porcupine, SD
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in March: 7h and 12min
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 12min).
Average sunshine days in March
Porcupine, SD
- Average sunshine days in March: 18.1 days
The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in March
Porcupine, 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
Porcupine, SD
- Average cloud cover in March: 39
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in March
Porcupine, 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).





