Thorhult, Minnesota climate: Climate normals at a NOAA weather station
Thorhult's normal year runs from −4°F January nights to 79°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 4.2°C, January lows of −20°C, July highs of 26°C.
- NOAA stationThorhult
- Station IDUSC00218254
- Location48.21°N 95.25°W
- Elevation1,237 ft (377 m)
On October 24, the normal high in Thorhult is 48°F and the normal low 30°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Thorhult.
- Jan 17° -4°
- Feb 23° 0°
- Mar 37° 15°
- Apr 53° 28°
- May 66° 40°
- Jun 75° 51°
- Jul 79° 55°
- Aug 78° 53°
- Sep 69° 45°
- Oct 53° 33°
- Nov 35° 19°
- Dec 22° 4°
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 Thorhult each month?
July is the warmest month, with normal highs of 79°F; January the coldest, with normal lows of −4°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 17°F | −4°F | 6.2°F | – | <1 | 31 | 8 h 50 min |
| February | 23°F | 0°F | 11.5°F | – | <1 | 28 | 10 h 10 min |
| March | 37°F | 15°F | 25.8°F | – | <1 | 28 | 11 h 50 min |
| April | 53°F | 28°F | 40.5°F | – | <1 | 21 | 13 h 40 min |
| May | 66°F | 40°F | 53.0°F | – | <1 | 8 | 15 h 10 min |
| June | 75°F | 51°F | 62.8°F | – | 1 | 1 | 16 h |
| July | 79°F | 55°F | 67.4°F | – | 2 | <1 | 15 h 40 min |
| August | 78°F | 53°F | 65.6°F | – | 1 | <1 | 14 h 20 min |
| September | 69°F | 45°F | 57.2°F | – | <1 | 3 | 12 h 40 min |
| October | 53°F | 33°F | 42.9°F | – | <1 | 16 | 11 h |
| November | 35°F | 19°F | 27.1°F | – | <1 | 27 | 9 h 20 min |
| December | 22°F | 4°F | 13.4°F | – | <1 | 31 | 8 h 20 min |
| Year (annual) | 51°F | 28°F | 39.5°F | – | 3 | 192 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | −9°C | −20°C | −14.3°C |
| February | −5°C | −18°C | −11.4°C |
| March | 3°C | −10°C | −3.4°C |
| April | 11°C | −2°C | 4.7°C |
| May | 19°C | 5°C | 11.7°C |
| June | 24°C | 11°C | 17.1°C |
| July | 26°C | 13°C | 19.7°C |
| August | 26°C | 12°C | 18.7°C |
| September | 21°C | 7°C | 14.0°C |
| October | 12°C | 1°C | 6.1°C |
| November | 2°C | −7°C | −2.7°C |
| December | −5°C | −15°C | −10.3°C |
NOAA publishes no 1991-2020 snowfall normal for this station, and no record within 25 miles keeps one, so snow is left out here rather than estimated.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00218254; 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 Thorhult?
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 USC00218254.
When is the last frost at Thorhult?
In Thorhult, the last spring frost (32°F) comes after May 24 in half of years and after June 7 in one year in ten; the first autumn frost comes before September 20 in half of years and before September 4 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 241 year in 10 after June 7; 9 in 10 after May 7
- First autumn frost, half of years before
- September 201 year in 10 before September 4; 9 in 10 before October 3
NOAA puts the median frost-free season at 120 days, and the season without a hard freeze (28°F) at 141 days.
A hard freeze (28°F) comes after May 12 in half of springs and before October 1 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Thorhult in zone 3b in ZIP code 56727, 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 3a: the coldest night of a typical year reaches −36°F (24 complete years); the map interpolates between stations and terrain, so the station and the ZIP area can differ by half a zone.
Frost dates for every NOAA station in Minnesota · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00218254; 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 Thorhult?
In a normal year in Thorhult, 3 days a year reach 90°F and 192 nights fall to 32°F or colder.
- Days at 90°F or more
- 3a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 192a normal year
- Days that stay below freezing
- 99high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00218254.
How sunny is it at Thorhult?
Over a year 73% of the sunlight that would reach the ground under clear skies gets through the clouds at Thorhult, 3.6 kWh per square metre a day. February is the sunniest month (80%) and November the cloudiest (61%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 71% | 1.4 |
| February | 80% | 2.6 |
| March | 76% | 3.8 |
| April | 72% | 4.8 |
| May | 69% | 5.5 |
| June | 71% | 5.8 |
| July | 79% | 6.2 |
| August | 78% | 5.2 |
| September | 73% | 3.8 |
| October | 64% | 2.3 |
| November | 61% | 1.3 |
| December | 62% | 1.0 |
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 Thorhult record?
A normal year at Thorhult brings 9,570 heating degree days, 78% more than the median U.S. place (5,373), and 298 cooling degree days, 67% 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 1,896 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,821 | 0 |
| February | 1,498 | 0 |
| March | 1,215 | 0 |
| April | 737 | 0 |
| May | 381 | 11 |
| June | 120 | 56 |
| July | 43 | 117 |
| August | 67 | 86 |
| September | 263 | 27 |
| October | 687 | 2 |
| November | 1,137 | 0 |
| December | 1,601 | 0 |
| Year (annual) | 9,570 | 298 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00218254. 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 Thorhult been warmer than normal?
2025 averaged 40.6°F, 1.1°F above the 1991-2020 normal of 39.5°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal |
|---|---|---|
| 2021 | 42.7°F | +3.2°F |
| 2022 | 37.9°F | −1.6°F |
| 2023 | 41.8°F | +2.3°F |
| 2024 | 43.5°F | +4.0°F |
| 2025 | 40.6°F | +1.1°F |
Source: observed years: ACIS, station USC00218254. A year counts only with all twelve months complete.
How does Thorhult's climate compare?
Thorhult is warmer than 20 of the 129 places with their own NOAA record in Minnesota. Across the 7,247 U.S. stations with normals, its annual mean of 39.5°F is warmer than 5%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Questions about Thorhult's climate
What is the coldest month at Thorhult?
January, with a normal high of 17°F and a normal low of −4°F. The warmest is July (79°F by day, 55°F at night).
What plant hardiness zone is Thorhult in?
The USDA's 2023 map puts Thorhult in zone 3b in ZIP code 56727, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −36°F (24 years, 1991-2020): zone 3a.
How late can frost come at Thorhult?
In half of years the last 32°F night comes after May 24; in one year in ten it comes after June 7. Waiting until June 7 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Minnesota climateThe statewide normals and every place in the state
- Red Lake, MN25 miles from this station, 39.3°F a year
- Camp Norris DNR, MN28 miles from this station, 37.1°F a year
- Goodridge (12 mi NNW), MN30 miles from this station, 37.7°F a year
- Agassiz Refuge, MN34 miles from this station, 40.7°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made