Maurine (12 mi SW), South Dakota climate: Climate normals at a NOAA weather station
Maurine (12 mi SW)'s normal year runs from 7°F January nights to 88°F July afternoons, with 19.1 inches of precipitation and 43 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 7.3°C, January lows of −14°C, July highs of 31°C, 485 mm of precipitation a year.
- NOAA stationMaurine (12 mi SW)
- Station IDUSC00395325
- Location44.87°N 102.57°W
- Elevation2,629 ft (801 m)
On October 23, the normal high in Maurine (12 mi SW) is 57°F and the normal low 28°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 Maurine (12 mi SW).
- Jan 31° 7°
- Feb 35° 9°
- Mar 45° 19°
- Apr 58° 30°
- May 68° 42°
- Jun 79° 52°
- Jul 88° 58°
- Aug 87° 56°
- Sep 78° 45°
- Oct 61° 31°
- Nov 46° 19°
- Dec 34° 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 Maurine (12 mi SW) each month?
July is the warmest month, with normal highs of 88°F; January the coldest, with normal lows of 7°F. The most precipitation falls in May (3.34 in), the least in January (0.61 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 31°F | 7°F | 18.5°F | 0.61 | 5.1 | 4 | <1 | 31 | 9 h 10 min |
| February | 35°F | 9°F | 21.9°F | 0.68 | 6.9 | 4 | <1 | 28 | 10 h 20 min |
| March | 45°F | 19°F | 32.3°F | 0.96 | 7.1 | 4 | <1 | 29 | 11 h 50 min |
| April | 58°F | 30°F | 43.8°F | 2.12 | 8.0 | 8 | <1 | 19 | 13 h 30 min |
| May | 68°F | 42°F | 54.8°F | 3.34 | 1.2 | 10 | 1 | 5 | 14 h 50 min |
| June | 79°F | 52°F | 65.3°F | 3.09 | 0.0 | 10 | 4 | <1 | 15 h 30 min |
| July | 88°F | 58°F | 72.7°F | 2.47 | 0.0 | 8 | 12 | <1 | 15 h 20 min |
| August | 87°F | 56°F | 71.4°F | 1.67 | 0.0 | 6 | 12 | <1 | 14 h 10 min |
| September | 78°F | 45°F | 61.3°F | 1.12 | 0.0 | 5 | 6 | 2 | 12 h 40 min |
| October | 61°F | 31°F | 46.0°F | 1.51 | 2.9 | 6 | 1 | 16 | 11 h |
| November | 46°F | 19°F | 32.2°F | 0.65 | 4.3 | 3 | <1 | 28 | 9 h 40 min |
| December | 34°F | 9°F | 21.4°F | 0.86 | 7.6 | 4 | <1 | 31 | 8 h 50 min |
| Year (annual) | 59°F | 31°F | 45.1°F | 19.08 | 43.1 | 71 | 35 | 188 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −1°C | −14°C | −7.5°C | 15 mm | 13 cm |
| February | 1°C | −13°C | −5.6°C | 17 mm | 18 cm |
| March | 7°C | −7°C | 0.2°C | 24 mm | 18 cm |
| April | 14°C | −1°C | 6.6°C | 54 mm | 20 cm |
| May | 20°C | 5°C | 12.7°C | 85 mm | 3 cm |
| June | 26°C | 11°C | 18.5°C | 78 mm | 0 cm |
| July | 31°C | 14°C | 22.6°C | 63 mm | 0 cm |
| August | 31°C | 13°C | 21.9°C | 42 mm | 0 cm |
| September | 25°C | 7°C | 16.3°C | 28 mm | 0 cm |
| October | 16°C | 0°C | 7.8°C | 38 mm | 7 cm |
| November | 8°C | −7°C | 0.1°C | 17 mm | 11 cm |
| December | 1°C | −13°C | −5.9°C | 22 mm | 19 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00395325; 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 Maurine (12 mi SW)?
Normal highs sit between 65°F and 85°F in May, June and September. Of those, September has the fewest days with rain (5).
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 USC00395325.
When is the last frost at Maurine (12 mi SW)?
In Maurine (12 mi SW), the last spring frost (32°F) comes after May 13 in half of years and after May 27 in one year in ten; the first autumn frost comes before September 28 in half of years and before September 13 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 131 year in 10 after May 27; 9 in 10 after May 2
- First autumn frost, half of years before
- September 281 year in 10 before September 13; 9 in 10 before October 10
NOAA puts the median frost-free season at 136 days, and the season without a hard freeze (28°F) at 154 days.
A hard freeze (28°F) comes after May 3 in half of springs and before October 5 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Maurine (12 mi SW) in zone 4b in ZIP code 57758, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 4b: the coldest night of a typical year reaches −24°F (25 complete years).
Frost dates for every NOAA station in South Dakota · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00395325; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. 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 Maurine (12 mi SW)?
In a normal year in Maurine (12 mi SW), 35 days a year reach 90°F (5 of them 100°F or more), 188 nights fall to 32°F or colder and 71 days bring measurable precipitation.
- Days at 90°F or more
- 35a normal year
- Days at 100°F or more
- 5a normal year
- Nights at 32°F or colder
- 188a normal year
- Days that stay below freezing
- 57high of 32°F or less
- Days with 0.01 inch of precipitation
- 71a normal year
- Days with 1 inch of snow or more
- 17a normal year
The highest temperature in this station's record (since 1975) is 114°F, on July 18, 1977; the lowest is −37°F, on January 1, 2018.
The wettest calendar year on that record is 1996, with 27.87 in; the snowiest season is 1985–86, with 106.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00395325; records: ACIS (NOAA Regional Climate Centers), station USC00395325. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Maurine (12 mi SW)?
Over a year 79% of the sunlight that would reach the ground under clear skies gets through the clouds at Maurine (12 mi SW), 4.3 kWh per square metre a day. July is the sunniest month (87%) and April the cloudiest (73%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 77% | 2.0 |
| February | 77% | 3.0 |
| March | 74% | 4.0 |
| April | 73% | 5.1 |
| May | 74% | 6.0 |
| June | 81% | 6.9 |
| July | 87% | 7.0 |
| August | 86% | 6.0 |
| September | 83% | 4.7 |
| October | 76% | 3.1 |
| November | 76% | 2.1 |
| December | 74% | 1.6 |
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 Maurine (12 mi SW) record?
A normal year at Maurine (12 mi SW) brings 7,859 heating degree days, 46% more than the median U.S. place (5,373), and 657 cooling degree days, 28% 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 2,540 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,441 | 0 |
| February | 1,205 | 0 |
| March | 1,014 | 0 |
| April | 635 | 1 |
| May | 332 | 16 |
| June | 84 | 93 |
| July | 15 | 254 |
| August | 24 | 222 |
| September | 179 | 68 |
| October | 594 | 3 |
| November | 984 | 0 |
| December | 1,351 | 0 |
| Year (annual) | 7,859 | 657 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00395325. 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.
Have recent years at Maurine (12 mi SW) been warmer than normal?
2025 averaged 46.5°F, 1.4°F above the 1991-2020 normal of 45.1°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 48.0°F | +2.9°F | 12.02 | 10.4 |
| 2022 | 45.0°F | −0.1°F | 13.68 | 27.5 |
| 2023 | 46.8°F | +1.7°F | 25.10 | 40.0 |
| 2024 | 48.0°F | +2.9°F | 16.48 | 25.5 |
| 2025 | 46.5°F | +1.4°F | 26.19 | 15.5 |
Over 35 complete years from 1977 to 2025, the station's annual mean temperature rose at a fitted 3.5°F per century (+0.20°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00395325; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Maurine (12 mi SW)'s climate compare?
Maurine (12 mi SW) is warmer than 39 of the 100 places with their own NOAA record in South Dakota, and wetter than 20. Across the 7,247 U.S. stations with normals, its annual mean of 45.1°F is warmer than 20%.
In the Köppen classification computed from these normals, Maurine (12 mi SW) is Dfa: continental, no dry season, hot 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.
Questions about Maurine (12 mi SW)'s climate
What is the coldest month at Maurine (12 mi SW)?
January, with a normal high of 31°F and a normal low of 7°F. The warmest is July (88°F by day, 58°F at night).
Does it snow at Maurine (12 mi SW)?
Yes: 43 inches in a normal year, falling on 20 days with 0.1 inch or more, the most in April (8.0 inches).
What is the rainiest month at Maurine (12 mi SW)?
May, with 3.34 in of precipitation in a normal year; the driest is January with 0.61 in.
What plant hardiness zone is Maurine (12 mi SW) in?
The USDA's 2023 map puts Maurine (12 mi SW) in zone 4b in ZIP code 57758, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −24°F (25 years, 1991-2020): zone 4b.
How late can frost come at Maurine (12 mi SW)?
In half of years the last 32°F night comes after May 13; in one year in ten it comes after May 27. Waiting until May 27 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
- Red Owl, SD12 miles from this station, 44.8°F a year
- Zeona (10 mi SSW), SD25 miles from this station, 45.0°F a year
- Faith, SD29 miles from this station, 45.8°F a year
- Plainview (6 mi SSW), SD30 miles from this station, 45.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made