Rauville (2 mi W), South Dakota climate: Climate normals at a NOAA weather station
Rauville (2 mi W)'s normal year runs from 2°F January nights to 82°F July afternoons, with 23.4 inches of precipitation and 32 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 5.9°C, January lows of −17°C, July highs of 28°C, 595 mm of precipitation a year.
- NOAA stationRauville (2 mi W)
- Station IDUSC00396969
- Location44.97°N 97.15°W
- Elevation1,737 ft (529 m)
On October 23, the normal high in Rauville (2 mi W) is 53°F and the normal low 31°F, and the chance of measurable rain or snow is 16%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Rauville (2 mi W).
- Jan 21° 2°
- Feb 26° 5°
- Mar 38° 18°
- Apr 54° 31°
- May 67° 45°
- Jun 76° 55°
- Jul 82° 60°
- Aug 80° 56°
- Sep 72° 46°
- Oct 57° 34°
- Nov 41° 21°
- Dec 27° 9°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Rauville (2 mi W) each month?
July is the warmest month, with normal highs of 82°F; January the coldest, with normal lows of 2°F. The most precipitation falls in July (3.59 in), the least in January (0.65 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 21°F | 2°F | 11.5°F | 0.65 | 5.7 | 4 | <1 | 31 | 9 h 10 min |
| February | 26°F | 5°F | 15.7°F | 0.69 | 6.5 | 3 | <1 | 28 | 10 h 20 min |
| March | 38°F | 18°F | 28.3°F | 1.10 | 4.8 | 4 | <1 | 28 | 11 h 50 min |
| April | 54°F | 31°F | 42.4°F | 2.27 | 4.0 | 5 | <1 | 19 | 13 h 30 min |
| May | 67°F | 45°F | 56.0°F | 2.70 | 0.0 | 8 | 1 | 3 | 14 h 50 min |
| June | 76°F | 55°F | 65.7°F | 3.18 | 0.0 | 8 | 2 | <1 | 15 h 40 min |
| July | 82°F | 60°F | 70.8°F | 3.59 | 0.0 | 7 | 4 | <1 | 15 h 20 min |
| August | 80°F | 56°F | 68.1°F | 2.66 | 0.0 | 6 | 2 | <1 | 14 h 10 min |
| September | 72°F | 46°F | 59.2°F | 2.74 | 0.0 | 6 | 1 | 2 | 12 h 40 min |
| October | 57°F | 34°F | 45.8°F | 2.33 | 1.1 | 6 | <1 | 15 | 11 h |
| November | 41°F | 21°F | 30.9°F | 0.83 | 2.1 | 2 | <1 | 27 | 9 h 40 min |
| December | 27°F | 9°F | 18.1°F | 0.70 | 7.6 | 4 | <1 | 31 | 8 h 50 min |
| Year (annual) | 54°F | 32°F | 42.7°F | 23.44 | 31.8 | 63 | 9 | 183 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −6°C | −17°C | −11.4°C | 17 mm | 14 cm |
| February | −3°C | −15°C | −9.1°C | 18 mm | 17 cm |
| March | 3°C | −8°C | −2.1°C | 28 mm | 12 cm |
| April | 12°C | −1°C | 5.8°C | 58 mm | 10 cm |
| May | 19°C | 7°C | 13.3°C | 69 mm | 0 cm |
| June | 25°C | 13°C | 18.7°C | 81 mm | 0 cm |
| July | 28°C | 15°C | 21.6°C | 91 mm | 0 cm |
| August | 27°C | 13°C | 20.1°C | 68 mm | 0 cm |
| September | 22°C | 8°C | 15.1°C | 70 mm | 0 cm |
| October | 14°C | 1°C | 7.7°C | 59 mm | 3 cm |
| November | 5°C | −6°C | −0.6°C | 21 mm | 5 cm |
| December | −3°C | −13°C | −7.7°C | 18 mm | 19 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00396969; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Rauville (2 mi W)?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, August has the fewest days with rain (6).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00396969.
When is the last frost at Rauville (2 mi W)?
In Rauville (2 mi W), the last spring frost (32°F) comes after May 7 in half of years and after May 20 in one year in ten; the first autumn frost comes before September 28 in half of years and before September 16 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- May 71 year in 10 after May 20; 9 in 10 after April 24
- First autumn frost, half of years before
- September 281 year in 10 before September 16; 9 in 10 before October 13
NOAA puts the median frost-free season at 143 days, and the season without a hard freeze (28°F) at 163 days.
A hard freeze (28°F) comes after April 28 in half of springs and before October 8 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Rauville (2 mi W) in zone 4b in ZIP code 57201, the nearest ZIP area.
Frost dates for every NOAA station in South Dakota · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00396969; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get at Rauville (2 mi W)?
In a normal year in Rauville (2 mi W), 9 days a year reach 90°F, 183 nights fall to 32°F or colder and 63 days bring measurable precipitation.
- Days at 90°F or more
- 9a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 183a normal year
- Days that stay below freezing
- 83high of 32°F or less
- Days with 0.01 inch of precipitation
- 63a normal year
- Days with 1 inch of snow or more
- 11a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00396969.
How sunny is it at Rauville (2 mi W)?
Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds at Rauville (2 mi W), 4.1 kWh per square metre a day. July is the sunniest month (85%) and December the cloudiest (67%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 77% | 2.0 |
| February | 79% | 3.0 |
| March | 71% | 3.8 |
| April | 71% | 4.9 |
| May | 72% | 5.7 |
| June | 77% | 6.4 |
| July | 85% | 6.7 |
| August | 82% | 5.6 |
| September | 79% | 4.4 |
| October | 73% | 2.9 |
| November | 73% | 2.0 |
| December | 67% | 1.4 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Rauville (2 mi W) record?
A normal year at Rauville (2 mi W) brings 8,563 heating degree days, 59% more than the median U.S. place (5,373), and 466 cooling degree days, 49% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,309 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,660 | 0 |
| February | 1,382 | 0 |
| March | 1,140 | 0 |
| April | 678 | 0 |
| May | 303 | 22 |
| June | 67 | 87 |
| July | 13 | 191 |
| August | 37 | 133 |
| September | 206 | 30 |
| October | 600 | 3 |
| November | 1,025 | 0 |
| December | 1,454 | 0 |
| Year (annual) | 8,563 | 466 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00396969. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Rauville (2 mi W)'s climate compare?
Rauville (2 mi W) is warmer than 7 of the 100 places with their own NOAA record in South Dakota, and wetter than 56. Across the 7,247 U.S. stations with normals, its annual mean of 42.7°F is warmer than 11%.
In the Köppen classification computed from these normals, Rauville (2 mi W) is Dfb: continental, no dry season, warm summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Rauville (2 mi W) share this climate record?
3 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Florence, SD333 people · 10 mi NW
- South Shore, SD190 people · 14 mi NE
- Waverly, SD21 people · 9 mi E
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Rauville (2 mi W)'s climate
What is the coldest month at Rauville (2 mi W)?
January, with a normal high of 21°F and a normal low of 2°F. The warmest is July (82°F by day, 60°F at night).
Does it snow at Rauville (2 mi W)?
Yes: 32 inches in a normal year, falling on 15 days with 0.1 inch or more, the most in December (7.6 inches).
What is the rainiest month at Rauville (2 mi W)?
July, with 3.59 in of precipitation in a normal year; the driest is January with 0.65 in.
What plant hardiness zone is Rauville (2 mi W) in?
The USDA's 2023 map puts Rauville (2 mi W) in zone 4b in ZIP code 57201, the nearest ZIP area.
How late can frost come at Rauville (2 mi W)?
In half of years the last 32°F night comes after May 7; in one year in ten it comes after May 20. Waiting until May 20 leaves about a one-in-ten chance of a later frost.
Nearby and next
- South Dakota climateThe statewide normals and every place in the state
- Watertown, SD5 miles from this station, 43.0°F a year
- Castlewood, SD18 miles from this station, 42.7°F a year
- Summit, SD23 miles from this station, 42.6°F a year
- Clear Lake, SD27 miles from this station, 42.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made