March weather forecastSpearfish, SD
March
Weather in March
Come March, the weather in Spearfish begins to shake off its winter inertia. Featuring a substantial increase in average high temperatures, 44.1°F (6.7°C), March offers a taste of the approaching spring months. Alongside, daylight hours start to extend noticeably. Though snowfall persistently decorates the ground, it decreases compared to February's tallies. For those missing the rain, March opens up with slightly more rainfall days projecting a break from the otherwise snow-dominated weather.Temperature
March shows a rise in the average high-temperature, moving from February's subzero cold 31.1°F (-0.5°C) to a chilly 44.1°F (6.7°C). The average temperature drops to a subzero cold 27.5°F (-2.5°C) during the night in the month of March.Humidity
The average relative humidity in March in Spearfish is 73%.Rainfall
In Spearfish, South Dakota, during March, the rain falls for 7.2 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Spearfish, South Dakota, during the entire year, the rain falls for 99.6 days and collects up to 15.63" (397mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Spearfish, in March, snow falls for 8 days, with typically accumulated 5.24" (133mm) of snow. Throughout the year, there are 56.8 snowfall days, and 36.3" (922mm) of snow is accumulated.Daylight
In Spearfish, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:31 am and sunset at 5:44 pm MST. On the last day of March, in Spearfish, South Dakota, sunrise is at 6:36 am and sunset at 7:22 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 7.5h.UV index
In March, the average daily maximum UV index in Spearfish is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 3 in March leads to these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Spearfish, SD
- Average high temperature in March: 44.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in March: 27.5°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).
Average pressure in March
Spearfish, 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).
Average wind speed in March
Spearfish, SD
- Average wind speed in March: 9.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in March
Spearfish, SD
- Average humidity in March: 73%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (49%).
Average rainfall in March
Spearfish, SD
- Average rainfall in March: 1.18"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in March
Spearfish, SD
- Average rainfall days in March: 7.2 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in March
Spearfish, SD
- Average snowfall in March: 5.24"
The month with the highest snowfall is April (7.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in March
Spearfish, SD
- Average snowfall days in March: 8 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in March /
Average sunshine in March
Spearfish, 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: 7h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in March
Spearfish, SD
- Average sunshine days in March: 17.4 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in March
Spearfish, SD
- Average UV index in March: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, April, November and December (UV index 2).
Average cloud cover in March
Spearfish, SD
- Average cloud cover in March: 39
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in March
Spearfish, 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).
