Redig (11 mi NE), South Dakota climate: Climate normals at a NOAA weather station
Redig (11 mi NE)'s normal year runs from 9°F January nights to 87°F July afternoons, with 16.0 inches of precipitation and 51 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 7.3°C, January lows of −13°C, July highs of 31°C, 406 mm of precipitation a year.
- NOAA stationRedig (11 mi NE)
- Station IDUSC00397062
- Location45.38°N 103.37°W
- Elevation3,070 ft (936 m)
On October 23, the normal high in Redig (11 mi NE) is 56°F and the normal low 29°F, and the chance of measurable rain or snow is 12%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Redig (11 mi NE).
- Jan 32° 9°
- Feb 35° 12°
- Mar 46° 20°
- Apr 57° 30°
- May 67° 41°
- Jun 78° 50°
- Jul 87° 56°
- Aug 87° 54°
- Sep 77° 45°
- Oct 60° 32°
- Nov 45° 21°
- Dec 34° 12°
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 Redig (11 mi NE) each month?
July is the warmest month, with normal highs of 87°F; January the coldest, with normal lows of 9°F. The most precipitation falls in June (2.95 in), the least in January (0.34 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 32°F | 9°F | 20.0°F | 0.34 | 6.8 | 3 | <1 | 31 | 9 h 10 min |
| February | 35°F | 12°F | 23.2°F | 0.41 | 8.2 | 5 | <1 | 28 | 10 h 20 min |
| March | 46°F | 20°F | 33.0°F | 0.64 | 8.5 | 5 | <1 | 28 | 11 h 50 min |
| April | 57°F | 30°F | 43.6°F | 1.42 | 7.5 | 6 | <1 | 18 | 13 h 30 min |
| May | 67°F | 41°F | 53.7°F | 2.67 | 2.3 | 7 | <1 | 5 | 14 h 50 min |
| June | 78°F | 50°F | 64.0°F | 2.95 | 0.0 | 7 | 2 | <1 | 15 h 40 min |
| July | 87°F | 56°F | 71.8°F | 2.15 | 0.0 | 6 | 11 | <1 | 15 h 20 min |
| August | 87°F | 54°F | 70.3°F | 2.12 | 0.0 | 4 | 11 | <1 | 14 h 10 min |
| September | 77°F | 45°F | 60.5°F | 1.01 | 0.0 | 3 | 3 | 2 | 12 h 40 min |
| October | 60°F | 32°F | 46.0°F | 1.36 | 3.4 | 4 | <1 | 15 | 11 h |
| November | 45°F | 21°F | 32.6°F | 0.48 | 8.1 | 4 | <1 | 27 | 9 h 30 min |
| December | 34°F | 12°F | 22.9°F | 0.43 | 6.4 | 3 | <1 | 31 | 8 h 50 min |
| Year (annual) | 59°F | 32°F | 45.1°F | 15.98 | 51.2 | 58 | 28 | 183 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 0°C | −13°C | −6.7°C | 9 mm | 17 cm |
| February | 1°C | −11°C | −4.9°C | 10 mm | 21 cm |
| March | 8°C | −6°C | 0.6°C | 16 mm | 22 cm |
| April | 14°C | −1°C | 6.4°C | 36 mm | 19 cm |
| May | 19°C | 5°C | 12.1°C | 68 mm | 6 cm |
| June | 26°C | 10°C | 17.8°C | 75 mm | 0 cm |
| July | 31°C | 13°C | 22.1°C | 55 mm | 0 cm |
| August | 30°C | 12°C | 21.3°C | 54 mm | 0 cm |
| September | 25°C | 7°C | 15.8°C | 26 mm | 0 cm |
| October | 15°C | 0°C | 7.8°C | 35 mm | 9 cm |
| November | 7°C | −6°C | 0.3°C | 12 mm | 21 cm |
| December | 1°C | −11°C | −5.1°C | 11 mm | 16 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00397062; 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 Redig (11 mi NE)?
Normal highs sit between 65°F and 85°F in May, June and September. Of those, September has the fewest days with rain (3).
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 USC00397062.
When is the last frost at Redig (11 mi NE)?
In Redig (11 mi NE), the last spring frost (32°F) comes after May 15 in half of years and after May 27 in one year in ten; the first autumn frost comes before September 24 in half of years and before September 9 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 151 year in 10 after May 27; 9 in 10 after May 3
- First autumn frost, half of years before
- September 241 year in 10 before September 9; 9 in 10 before October 6
NOAA puts the median frost-free season at 131 days, and the season without a hard freeze (28°F) at 149 days.
A hard freeze (28°F) comes after May 5 in half of springs and before October 2 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Redig (11 mi NE) in zone 4b in ZIP code 57776, 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 −22°F (20 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 USC00397062; 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 Redig (11 mi NE)?
In a normal year in Redig (11 mi NE), 28 days a year reach 90°F (4 of them 100°F or more), 183 nights fall to 32°F or colder and 58 days bring measurable precipitation.
- Days at 90°F or more
- 28a normal year
- Days at 100°F or more
- 4a normal year
- Nights at 32°F or colder
- 183a normal year
- Days that stay below freezing
- 55high of 32°F or less
- Days with 0.01 inch of precipitation
- 58a normal year
- Days with 1 inch of snow or more
- 19a normal year
The highest temperature in this station's record (since 1915) is 111°F, on July 6, 1936; the lowest is −46°F, on January 12, 1916.
The wettest calendar year on that record is 1998, with 25.14 in; the snowiest season is 2008–09, with 119.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00397062; records: ACIS (NOAA Regional Climate Centers), station USC00397062. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Redig (11 mi NE)?
Over a year 79% of the sunlight that would reach the ground under clear skies gets through the clouds at Redig (11 mi NE), 4.2 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% | 1.9 |
| February | 79% | 2.9 |
| March | 74% | 3.9 |
| April | 73% | 5.0 |
| May | 74% | 6.0 |
| June | 80% | 6.8 |
| July | 87% | 7.0 |
| August | 86% | 6.0 |
| September | 82% | 4.5 |
| October | 75% | 3.0 |
| November | 75% | 2.0 |
| December | 73% | 1.5 |
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 Redig (11 mi NE) record?
A normal year at Redig (11 mi NE) brings 7,758 heating degree days, 44% more than the median U.S. place (5,373), and 554 cooling degree days, 39% 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 2,355 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,393 | 0 |
| February | 1,170 | 0 |
| March | 994 | 0 |
| April | 644 | 0 |
| May | 357 | 7 |
| June | 101 | 71 |
| July | 18 | 228 |
| August | 29 | 195 |
| September | 186 | 51 |
| October | 591 | 3 |
| November | 972 | 0 |
| December | 1,303 | 0 |
| Year (annual) | 7,758 | 554 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00397062. 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 Redig (11 mi NE)'s climate compare?
Redig (11 mi NE) is warmer than 39 of the 100 places with their own NOAA record in South Dakota, and wetter than 2. 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, Redig (11 mi NE) is BSk: cold semi-arid steppe. 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 Redig (11 mi NE)'s climate
What is the coldest month at Redig (11 mi NE)?
January, with a normal high of 32°F and a normal low of 9°F. The warmest is July (87°F by day, 56°F at night).
Does it snow at Redig (11 mi NE)?
Yes: 51 inches in a normal year, falling on 20 days with 0.1 inch or more, the most in March (8.5 inches).
What is the rainiest month at Redig (11 mi NE)?
June, with 2.95 in of precipitation in a normal year; the driest is January with 0.34 in.
What plant hardiness zone is Redig (11 mi NE) in?
The USDA's 2023 map puts Redig (11 mi NE) in zone 4b in ZIP code 57776, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −22°F (20 years, 1991-2020): zone 4b.
How late can frost come at Redig (11 mi NE)?
In half of years the last 32°F night comes after May 15; 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
- Antelope Ranger Station, SD11 miles from this station, 43.4°F a year
- Buffalo, SD18 miles from this station, 45.5°F a year
- Hoover, SD19 miles from this station, 43.8°F a year
- Zeona (10 mi SSW), SD28 miles from this station, 45.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made