Dunn Center, North Dakota climate: Normal weather by month, frost dates and records
Dunn Center's normal year runs from 0°F January nights to 84°F July afternoons, with 16.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 5.2°C, January lows of −18°C, July highs of 29°C, 427 mm of precipitation a year.
- NOAA stationDunn Center (1 mi E)
- Station IDUSC00322365
- Location47.35°N 102.59°W
- Elevation2,187 ft (667 m)
- Population229
On October 14, the normal high in Dunn Center is 58°F and the normal low 31°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Dunn Center.
- Jan 24° 0°
- Feb 29° 4°
- Mar 41° 15°
- Apr 55° 28°
- May 66° 40°
- Jun 76° 50°
- Jul 84° 54°
- Aug 84° 52°
- Sep 73° 43°
- Oct 56° 30°
- Nov 40° 16°
- Dec 28° 6°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Dunn Center each month?
July is the warmest month, with normal highs of 84°F; January the coldest, with normal lows of 0°F. The most precipitation falls in June (3.25 in), the least in January (0.36 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 24°F | 0°F | 12.3°F | 0.36 | – | <1 | 31 | 8 h 50 min |
| February | 29°F | 4°F | 16.2°F | 0.36 | – | <1 | 27 | 10 h 10 min |
| March | 41°F | 15°F | 28.2°F | 0.73 | – | <1 | 29 | 11 h 50 min |
| April | 55°F | 28°F | 41.5°F | 1.36 | – | <1 | 20 | 13 h 30 min |
| May | 66°F | 40°F | 53.1°F | 2.62 | – | 1 | 7 | 15 h |
| June | 76°F | 50°F | 62.7°F | 3.25 | – | 2 | <1 | 15 h 50 min |
| July | 84°F | 54°F | 68.6°F | 2.46 | – | 7 | <1 | 15 h 40 min |
| August | 84°F | 52°F | 68.3°F | 1.84 | – | 10 | <1 | 14 h 20 min |
| September | 73°F | 43°F | 58.0°F | 1.72 | – | 3 | 3 | 12 h 40 min |
| October | 56°F | 30°F | 43.0°F | 1.17 | – | <1 | 18 | 11 h |
| November | 40°F | 16°F | 27.9°F | 0.55 | – | <1 | 28 | 9 h 20 min |
| December | 28°F | 6°F | 16.6°F | 0.41 | – | <1 | 31 | 8 h 30 min |
| Year (annual) | 55°F | 28°F | 41.4°F | 16.83 | – | 23 | 194 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −4°C | −18°C | −10.9°C | 9 mm |
| February | −2°C | −16°C | −8.8°C | 9 mm |
| March | 5°C | −9°C | −2.1°C | 19 mm |
| April | 13°C | −2°C | 5.3°C | 35 mm |
| May | 19°C | 4°C | 11.7°C | 67 mm |
| June | 24°C | 10°C | 17.1°C | 83 mm |
| July | 29°C | 12°C | 20.3°C | 62 mm |
| August | 29°C | 11°C | 20.2°C | 47 mm |
| September | 23°C | 6°C | 14.4°C | 44 mm |
| October | 14°C | −1°C | 6.1°C | 30 mm |
| November | 5°C | −9°C | −2.3°C | 14 mm |
| December | −2°C | −15°C | −8.6°C | 10 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Killdeer (8 miles away), gets 39 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00322365; 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.
When is the best weather to visit Dunn Center?
Normal highs sit between 65°F and 85°F in May, June, July, August and September.
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 USC00322365.
When is the last frost in Dunn Center?
In Dunn Center, the last spring frost (32°F) comes after May 20 in half of years and after June 1 in one year in ten; the first autumn frost comes before September 21 in half of years and before September 7 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 201 year in 10 after June 1; 9 in 10 after May 7
- First autumn frost, half of years before
- September 211 year in 10 before September 7; 9 in 10 before October 3
NOAA puts the median frost-free season at 125 days, and the season without a hard freeze (28°F) at 143 days.
A hard freeze (28°F) comes after May 9 in half of springs and before September 30 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Dunn Center in zone 4a in ZIP code 58626, the nearest ZIP area.
Frost dates for every NOAA station in North Dakota · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00322365; 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 in Dunn Center?
In a normal year in Dunn Center, 23 days a year reach 90°F (2 of them 100°F or more) and 194 nights fall to 32°F or colder.
- Days at 90°F or more
- 23a normal year
- Days at 100°F or more
- 2a normal year
- Nights at 32°F or colder
- 194a normal year
- Days that stay below freezing
- 75high of 32°F or less
The highest temperature in this station's record (since 1919) is 111°F, on July 5, 1936; the lowest is −52°F, on February 15, 1936.
The wettest calendar year on that record is 1982, with 25.50 in; the snowiest season is 1966–67, with 73.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00322365; records: ACIS (NOAA Regional Climate Centers), station USC00322365. Records use complete months only; a month missing more than three days is left out.
How sunny is Dunn Center?
Over a year 77% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Dunn Center, 4.0 kWh per square metre a day. July is the sunniest month (86%) and December the cloudiest (66%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 77% | 1.7 |
| February | 78% | 2.7 |
| March | 74% | 3.8 |
| April | 72% | 4.8 |
| May | 73% | 5.8 |
| June | 77% | 6.5 |
| July | 86% | 6.9 |
| August | 83% | 5.7 |
| September | 78% | 4.2 |
| October | 71% | 2.6 |
| November | 70% | 1.6 |
| December | 66% | 1.2 |
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 much heating and cooling does Dunn Center need?
A normal year in Dunn Center brings 8,965 heating degree days, 67% more than the median U.S. place (5,373), and 389 cooling degree days, 57% 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 2,038 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,634 | 0 |
| February | 1,366 | 0 |
| March | 1,141 | 0 |
| April | 704 | 0 |
| May | 379 | 10 |
| June | 121 | 51 |
| July | 36 | 147 |
| August | 47 | 148 |
| September | 241 | 31 |
| October | 685 | 2 |
| November | 1,111 | 0 |
| December | 1,499 | 0 |
| Year (annual) | 8,965 | 389 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00322365. 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.
Has Dunn Center been warmer than normal lately?
2025 averaged 42.3°F, 0.9°F above the 1991-2020 normal of 41.4°F.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2025 | 42.3°F | +0.9°F | – |
Over 59 complete years from 1921 to 2025, the station's annual mean temperature rose at a fitted 1.9°F per century (+0.10°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00322365; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Dunn Center's climate compare?
Dunn Center is warmer than 49 of the other 91 places with their own NOAA record in North Dakota, and wetter than 12. Across the 7,247 U.S. stations with normals, its annual mean of 41.4°F is warmer than 8%.
In the Köppen classification computed from these normals, Dunn Center 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 Dunn Center share this climate record?
2 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.
- Halliday, ND233 people · 12 mi E
- Dodge, ND83 people · 18 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 Dunn Center's climate
What is the coldest month in Dunn Center?
January, with a normal high of 24°F and a normal low of 0°F. The warmest is July (84°F by day, 54°F at night).
Does it snow in Dunn Center?
Yes. NOAA publishes no 1991-2020 snowfall normal for Dunn Center's NOAA station; the nearest record that keeps one, Killdeer (8 miles away), records 39 inches of snow in a normal year.
What is the rainiest month in Dunn Center?
June, with 3.25 in of precipitation in a normal year; the driest is January with 0.36 in.
What plant hardiness zone is Dunn Center in?
The USDA's 2023 map puts Dunn Center in zone 4a in ZIP code 58626, the nearest ZIP area.
How late can frost come in Dunn Center?
In half of years the last 32°F night comes after May 20; in one year in ten it comes after June 1. Waiting until June 1 leaves about a one-in-ten chance of a later frost.
Nearby and next
- North Dakota climateThe statewide normals and every place in the state
- Killdeer, ND8 miles from this station, 42.3°F a year
- Taylor, ND25 miles from this station, 42.5°F a year
- Grassy Butte (2 mi ENE), ND29 miles from this station, 42.4°F a year
- Fairfield, ND32 miles from this station, 42.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made