Hazelton, North Dakota climate: Normal weather by month, frost dates and records
Hazelton's normal year runs from 2°F January nights to 81°F July afternoons, with 19.0 inches of precipitation and 45 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 5.0°C, January lows of −17°C, July highs of 27°C, 483 mm of precipitation a year.
- NOAA stationHazelton (4 mi NW)
- Station IDUSC00324083
- Location46.52°N 100.35°W
- Elevation1,982 ft (604 m)
- Population217
On October 22, the normal high in Hazelton is 51°F and the normal low 29°F, and the chance of measurable rain or snow is 21%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Hazelton.
- Jan 20° 2°
- Feb 25° 5°
- Mar 37° 17°
- Apr 53° 28°
- May 66° 41°
- Jun 75° 52°
- Jul 81° 56°
- Aug 80° 54°
- Sep 71° 45°
- Oct 55° 32°
- Nov 38° 18°
- Dec 25° 8°
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 Hazelton each month?
July is the warmest month, with normal highs of 81°F; January the coldest, with normal lows of 2°F. The most precipitation falls in June (3.35 in), the least in January (0.44 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 20°F | 2°F | 11.0°F | 0.44 | 8.9 | 5 | <1 | 31 | 9 h |
| February | 25°F | 5°F | 14.9°F | 0.49 | 6.8 | 5 | <1 | 28 | 10 h 20 min |
| March | 37°F | 17°F | 26.9°F | 0.85 | 6.5 | 5 | <1 | 29 | 11 h 50 min |
| April | 53°F | 28°F | 40.7°F | 1.40 | 4.3 | 7 | <1 | 20 | 13 h 30 min |
| May | 66°F | 41°F | 53.3°F | 2.78 | 0.2 | 10 | <1 | 5 | 15 h |
| June | 75°F | 52°F | 63.3°F | 3.35 | 0.0 | 11 | 1 | <1 | 15 h 50 min |
| July | 81°F | 56°F | 68.7°F | 3.01 | 0.0 | 9 | 4 | <1 | 15 h 30 min |
| August | 80°F | 54°F | 67.1°F | 2.20 | 0.0 | 7 | 4 | <1 | 14 h 20 min |
| September | 71°F | 45°F | 57.9°F | 1.61 | 0.0 | 7 | 1 | 2 | 12 h 40 min |
| October | 55°F | 32°F | 43.4°F | 1.69 | 2.6 | 7 | <1 | 16 | 11 h |
| November | 38°F | 18°F | 28.3°F | 0.56 | 6.9 | 5 | <1 | 28 | 9 h 30 min |
| December | 25°F | 8°F | 16.5°F | 0.62 | 8.5 | 5 | <1 | 31 | 8 h 40 min |
| Year (annual) | 52°F | 30°F | 41.0°F | 19.00 | 44.7 | 83 | 10 | 188 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −7°C | −17°C | −11.7°C | 11 mm | 23 cm |
| February | −4°C | −15°C | −9.5°C | 12 mm | 17 cm |
| March | 3°C | −9°C | −2.8°C | 22 mm | 17 cm |
| April | 12°C | −2°C | 4.8°C | 36 mm | 11 cm |
| May | 19°C | 5°C | 11.8°C | 71 mm | 1 cm |
| June | 24°C | 11°C | 17.4°C | 85 mm | 0 cm |
| July | 27°C | 13°C | 20.4°C | 76 mm | 0 cm |
| August | 27°C | 12°C | 19.5°C | 56 mm | 0 cm |
| September | 22°C | 7°C | 14.4°C | 41 mm | 0 cm |
| October | 13°C | 0°C | 6.3°C | 43 mm | 7 cm |
| November | 3°C | −8°C | −2.1°C | 14 mm | 18 cm |
| December | −4°C | −13°C | −8.6°C | 16 mm | 22 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00324083; 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 Hazelton?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, September has the fewest days with rain (7).
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 USC00324083.
When is the last frost in Hazelton?
In Hazelton, the last spring frost (32°F) comes after May 12 in half of years and after May 27 in one year in ten; the first autumn frost comes before September 27 in half of years and before September 15 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 121 year in 10 after May 27; 9 in 10 after May 2
- First autumn frost, half of years before
- September 271 year in 10 before September 15; 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 4 in half of springs and before October 6 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Hazelton in zone 4a in ZIP code 58544, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Hazelton's NOAA station is in zone 4a: the coldest night of a typical year reaches −25°F (24 complete years).
Frost dates for every NOAA station in North Dakota · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00324083; 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 in Hazelton?
In a normal year in Hazelton, 10 days a year reach 90°F (1 of them 100°F or more), 188 nights fall to 32°F or colder and 83 days bring measurable precipitation.
- Days at 90°F or more
- 10a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 188a normal year
- Days that stay below freezing
- 91high of 32°F or less
- Days with 0.01 inch of precipitation
- 83a normal year
- Days with 1 inch of snow or more
- 18a normal year
The highest temperature in this station's record (since 1991) is 107°F, on July 31, 2006; the lowest is −35°F, on February 3, 1996.
The wettest calendar year on that record is 2025, with 26.05 in; the snowiest season is 1996–97, with 86.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00324083; records: ACIS (NOAA Regional Climate Centers), station USC00324083. Records use complete months only; a month missing more than three days is left out.
How sunny is Hazelton?
Over a year 77% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Hazelton, 4.0 kWh per square metre a day. July is the sunniest month (85%) and December the cloudiest (68%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 78% | 1.8 |
| February | 81% | 2.9 |
| March | 73% | 3.8 |
| April | 73% | 5.0 |
| May | 73% | 5.8 |
| June | 78% | 6.5 |
| July | 85% | 6.8 |
| August | 83% | 5.6 |
| September | 79% | 4.3 |
| October | 71% | 2.7 |
| November | 71% | 1.8 |
| December | 68% | 1.3 |
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 Hazelton need?
A normal year in Hazelton brings 9,084 heating degree days, 69% more than the median U.S. place (5,373), and 375 cooling degree days, 59% 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 2,039 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,675 | 0 |
| February | 1,403 | 0 |
| March | 1,181 | 0 |
| April | 731 | 0 |
| May | 372 | 11 |
| June | 112 | 60 |
| July | 32 | 148 |
| August | 56 | 121 |
| September | 244 | 33 |
| October | 672 | 2 |
| November | 1,103 | 0 |
| December | 1,503 | 0 |
| Year (annual) | 9,084 | 375 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00324083. 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 Hazelton been warmer than normal lately?
2025 averaged 41.9°F, 0.9°F above the 1991-2020 normal of 41.0°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 43.8°F | +2.8°F | 19.96 | – |
| 2022 | 39.3°F | −1.7°F | 17.08 | – |
| 2023 | 41.4°F | +0.4°F | 24.08 | – |
| 2024 | 43.2°F | +2.2°F | 22.26 | – |
| 2025 | 41.9°F | +0.9°F | 26.05 | – |
Source: observed years: ACIS, station USC00324083. A year counts only with all twelve months complete.
How does Hazelton's climate compare?
Hazelton is warmer than 40 of the other 91 places with their own NOAA record in North Dakota, and wetter than 38. Across the 7,247 U.S. stations with normals, its annual mean of 41.0°F is warmer than 7%.
In the Köppen classification computed from these normals, Hazelton 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.
Questions about Hazelton's climate
What is the coldest month in Hazelton?
January, with a normal high of 20°F and a normal low of 2°F. The warmest is July (81°F by day, 56°F at night).
Does it snow in Hazelton?
Yes: 45 inches in a normal year, falling on 28 days with 0.1 inch or more, the most in January (8.9 inches).
What is the rainiest month in Hazelton?
June, with 3.35 in of precipitation in a normal year; the driest is January with 0.44 in.
What plant hardiness zone is Hazelton in?
The USDA's 2023 map puts Hazelton in zone 4a in ZIP code 58544, the nearest ZIP area. By the same method at Hazelton's NOAA station, the coldest night of a typical year reaches −25°F (24 years, 1991-2020): zone 4a.
How late can frost come in Hazelton?
In half of years the last 32°F night comes after May 12; 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
- North Dakota climateThe statewide normals and every place in the state
- Moffit (3 mi SE), ND12 miles from this station, 43.6°F a year
- Linton, ND19 miles from this station, 42.9°F a year
- Bismarck, ND26 miles from this station, 43.1°F a year
- Napoleon, ND27 miles from this station, 41.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made