Sioux Falls weather in March: Sioux Falls, South Dakota: normal highs, lows, rain and records for March
Sioux Falls in March has a normal high of 45°F and a normal low of 24°F, a daily mean of 35°F, rising from 37°F on the 1st to 53°F by the 31st. Measurable precipitation falls on 8 days in a normal March, 1.60 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −4°C, 41 mm of precipitation and 18 cm of snow in March.
- NOAA stationSioux Falls Foss Field
- Station IDUSW00014944
- Location43.59°N 96.73°W
- Elevation1,430 ft (436 m)
- From the center3 miles
- Population209,289
- Jan 27° 9°
- Feb 32° 13°
- Mar 45° 24°
- Apr 59° 36°
- May 71° 48°
- Jun 81° 59°
- Jul 85° 63°
- Aug 83° 61°
- Sep 76° 52°
- Oct 61° 38°
- Nov 45° 25°
- Dec 32° 13°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Sioux Falls in March?
The normal high is 45°F and the normal low 24°F, for a daily mean of 34.7°F. March is 12.4°F warmer than February and 12.5°F cooler than April. March is the 9th warmest month of the year in Sioux Falls and the 8th wettest. Across the month the normal high rises 16°F, from 37°F on March 1 to 53°F on March 31. From one year to the next March's mean temperature typically moves about 5.4°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 29°F and 40°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 37°F | 18°F | 26% | 10% |
| March 8 | 41°F | 21°F | 26% | 11% |
| March 15 | 45°F | 24°F | 26% | 12% |
| March 22 | 48°F | 27°F | 27% | 13% |
| March 31 | 53°F | 30°F | 30% | 16% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 37°F | 18°F | 26% | 10% | 11 h 10 min |
| March 2 | 38°F | 18°F | 26% | 10% | 11 h 10 min |
| March 3 | 38°F | 19°F | 26% | 11% | 11 h 10 min |
| March 4 | 39°F | 19°F | 26% | 11% | 11 h 20 min |
| March 5 | 39°F | 20°F | 26% | 11% | 11 h 20 min |
| March 6 | 40°F | 20°F | 26% | 11% | 11 h 20 min |
| March 7 | 40°F | 21°F | 26% | 11% | 11 h 30 min |
| March 8 | 41°F | 21°F | 26% | 11% | 11 h 30 min |
| March 9 | 41°F | 22°F | 26% | 11% | 11 h 30 min |
| March 10 | 42°F | 22°F | 26% | 11% | 11 h 40 min |
| March 11 | 42°F | 22°F | 26% | 11% | 11 h 40 min |
| March 12 | 43°F | 23°F | 26% | 11% | 11 h 40 min |
| March 13 | 43°F | 23°F | 26% | 12% | 11 h 40 min |
| March 14 | 44°F | 24°F | 26% | 12% | 11 h 50 min |
| March 15 | 45°F | 24°F | 26% | 12% | 11 h 50 min |
| March 16 | 45°F | 25°F | 26% | 12% | 11 h 50 min |
| March 17 | 46°F | 25°F | 26% | 12% | 12 h |
| March 18 | 46°F | 25°F | 27% | 12% | 12 h |
| March 19 | 47°F | 26°F | 27% | 12% | 12 h |
| March 20 | 47°F | 26°F | 27% | 13% | 12 h 10 min |
| March 21 | 48°F | 27°F | 27% | 13% | 12 h 10 min |
| March 22 | 48°F | 27°F | 27% | 13% | 12 h 10 min |
| March 23 | 49°F | 27°F | 28% | 13% | 12 h 10 min |
| March 24 | 49°F | 28°F | 28% | 14% | 12 h 20 min |
| March 25 | 50°F | 28°F | 28% | 14% | 12 h 20 min |
| March 26 | 50°F | 28°F | 28% | 14% | 12 h 20 min |
| March 27 | 51°F | 29°F | 29% | 14% | 12 h 30 min |
| March 28 | 51°F | 29°F | 29% | 15% | 12 h 30 min |
| March 29 | 52°F | 30°F | 29% | 15% | 12 h 30 min |
| March 30 | 52°F | 30°F | 29% | 15% | 12 h 40 min |
| March 31 | 53°F | 30°F | 30% | 16% | 12 h 40 min |
- Normal high
- 45°FMarch average
- Normal low
- 24°FMarch average
- Precipitation
- 1.60 inmonth total
- Days with precipitation
- 80.01 inch or more
- Snowfall
- 7.2 inmonth total
- Nights at 32°F or colder
- 25
- Daylight
- 11 h 10 min to 12 h 40 minMarch 1 to March 31
- Days at 70°F or more
- 2
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014944; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Sioux Falls in March?
On a given March day the chance of 0.01 inch or more is 27% on average, highest around March 31 (30%). In all, 1.60 in falls on 8 days of a normal March.
In a normal March in Sioux Falls, 25 nights fall to freezing, 6 days stay below freezing all day and snowfall averages 7.2 inches.
Snow falls on 5 days in a normal March, and an inch or more covers the ground on 10 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014944.
How humid and windy is Sioux Falls in March?
At 3 p.m. the normal temperature is 50°F with 46% relative humidity and a dew point of 30°F; at 6 a.m. it is 33°F with 80% humidity. The wind averages 12.0 mph, most often from the north-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 33°F | 28°F | 80% | 9.7 mph | 47% |
| 9 a.m. | 39°F | 29°F | 67% | 12.9 mph | 50% |
| noon | 47°F | 30°F | 52% | 14.8 mph | 43% |
| 3 p.m. | 50°F | 30°F | 46% | 15.1 mph | 41% |
| 6 p.m. | 48°F | 30°F | 50% | 13.4 mph | 40% |
| 9 p.m. | 40°F | 30°F | 66% | 10.7 mph | 54% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014944. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for March in Sioux Falls?
The warmest March temperature on Sioux Falls's official record (since 1893) is 89°F, on March 21, 2026; the coldest is −23°F, on March 11, 1948. The wettest March brought 4.97 in (2007); the snowiest, 31.5 inches (1951).
The March mean against the 1991-2020 normal of 34.7°F: 2021 40.9°F (+6.2), 2022 34.6°F (−0.1), 2023 27.2°F (−7.5), 2024 38.5°F (+3.8), 2025 41.3°F (+6.6), 2026 39.3°F (+4.6). 4 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 40.9°F | +6.2°F | 2.63 in |
| 2022 | 34.6°F | −0.1°F | 0.78 in |
| 2023 | 27.2°F | −7.5°F | 1.17 in |
| 2024 | 38.5°F | +3.8°F | 1.09 in |
| 2025 | 41.3°F | +6.6°F | 1.58 in |
| 2026 | 39.3°F | +4.6°F | 0.69 in |
Source: records: ACIS, NWS threaded record FSDthr; recent months: ACIS, station USW00014944. Records and recent months use complete months only.
How does March in Sioux Falls compare across South Dakota?
Across the 100 places PlainClimate covers in South Dakota, March normal highs run from 37°F in Astoria to 54°F in Hot Springs; Sioux Falls's is 45°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Sioux Falls in February32°F by day, 13°F at night
- Sioux Falls in April59°F by day, 36°F at night
- Sioux Falls through the yearEvery month, frost dates, records and recent years
- South Dakota in MarchThe statewide normal and the warmest and coolest places
- Hot Springs: South Dakota's warmest Marchnormal high 54°F