Gunflint Lake (10 mi NW), Minnesota climate: Climate normals at a NOAA weather station
Gunflint Lake (10 mi NW)'s normal year runs from −6°F January nights to 76°F July afternoons, with 26.7 inches of precipitation and 65 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 2.6°C, January lows of −21°C, July highs of 24°C, 677 mm of precipitation a year.
- NOAA stationGunflint Lake (10 mi NW)
- Station IDUSC00213417
- Location48.16°N 90.88°W
- Elevation1,455 ft (444 m)
On October 23, the normal high in Gunflint Lake (10 mi NW) is 45°F and the normal low 31°F, and the chance of measurable rain or snow is 38%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Gunflint Lake (10 mi NW).
- Jan 15° -6°
- Feb 20° -5°
- Mar 33° 8°
- Apr 47° 24°
- May 62° 38°
- Jun 71° 49°
- Jul 76° 54°
- Aug 74° 52°
- Sep 64° 45°
- Oct 49° 33°
- Nov 34° 21°
- Dec 21° 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 Gunflint Lake (10 mi NW) each month?
July is the warmest month, with normal highs of 76°F; January the coldest, with normal lows of −6°F. The most precipitation falls in July (3.68 in), the least in February (0.79 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 15°F | −6°F | 4.1°F | 1.03 | 12.7 | 8 | <1 | 31 | 8 h 50 min |
| February | 20°F | −5°F | 7.7°F | 0.79 | 10.8 | 6 | <1 | 28 | 10 h 10 min |
| March | 33°F | 8°F | 20.8°F | 1.00 | 6.7 | 6 | <1 | 30 | 11 h 50 min |
| April | 47°F | 24°F | 35.0°F | 1.92 | 7.9 | 8 | <1 | 26 | 13 h 40 min |
| May | 62°F | 38°F | 49.8°F | 2.93 | 0.4 | 11 | <1 | 9 | 15 h 10 min |
| June | 71°F | 49°F | 60.0°F | 3.61 | 0.0 | 13 | <1 | <1 | 16 h |
| July | 76°F | 54°F | 64.9°F | 3.68 | 0.0 | 11 | 1 | <1 | 15 h 40 min |
| August | 74°F | 52°F | 63.2°F | 2.79 | 0.0 | 11 | 1 | <1 | 14 h 20 min |
| September | 64°F | 45°F | 54.5°F | 3.51 | 0.0 | 11 | <1 | 2 | 12 h 40 min |
| October | 49°F | 33°F | 40.9°F | 2.68 | 1.7 | 12 | <1 | 16 | 11 h |
| November | 34°F | 21°F | 27.4°F | 1.57 | 10.8 | 10 | <1 | 26 | 9 h 20 min |
| December | 21°F | 4°F | 12.2°F | 1.15 | 14.3 | 9 | <1 | 31 | 8 h 20 min |
| Year (annual) | 47°F | 26°F | 36.7°F | 26.66 | 65.3 | 116 | 3 | 200 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −10°C | −21°C | −15.5°C | 26 mm | 32 cm |
| February | −6°C | −20°C | −13.5°C | 20 mm | 27 cm |
| March | 1°C | −13°C | −6.2°C | 25 mm | 17 cm |
| April | 8°C | −5°C | 1.7°C | 49 mm | 20 cm |
| May | 16°C | 3°C | 9.9°C | 74 mm | 1 cm |
| June | 22°C | 9°C | 15.6°C | 92 mm | 0 cm |
| July | 24°C | 12°C | 18.3°C | 93 mm | 0 cm |
| August | 23°C | 11°C | 17.3°C | 71 mm | 0 cm |
| September | 18°C | 7°C | 12.5°C | 89 mm | 0 cm |
| October | 9°C | 1°C | 4.9°C | 68 mm | 4 cm |
| November | 1°C | −6°C | −2.6°C | 40 mm | 27 cm |
| December | −6°C | −16°C | −11.0°C | 29 mm | 36 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00213417; 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 Gunflint Lake (10 mi NW)?
Normal highs sit between 65°F and 85°F in June, July and August. Of those, August has the fewest days with rain (11).
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 USC00213417.
When is the last frost at Gunflint Lake (10 mi NW)?
In Gunflint Lake (10 mi NW), the last spring frost (32°F) comes after May 23 in half of years and after June 7 in one year in ten; the first autumn frost comes before September 26 in half of years and before September 11 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 231 year in 10 after June 7; 9 in 10 after May 8
- First autumn frost, half of years before
- September 261 year in 10 before September 11; 9 in 10 before October 8
NOAA puts the median frost-free season at 124 days, and the season without a hard freeze (28°F) at 148 days.
A hard freeze (28°F) comes after May 11 in half of springs and before October 7 in half of autumns.
By the USDA's method, the average of each year's coldest night over 1991-2020, the station is in plant hardiness zone 3b: the coldest night of a typical year reaches −33°F (20 complete years).
Frost dates for every NOAA station in Minnesota · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00213417; 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 Gunflint Lake (10 mi NW)?
In a normal year in Gunflint Lake (10 mi NW), 3 days a year reach 90°F, 200 nights fall to 32°F or colder and 116 days bring measurable precipitation.
- 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
- 200a normal year
- Days that stay below freezing
- 108high of 32°F or less
- Days with 0.01 inch of precipitation
- 116a normal year
- Days with 1 inch of snow or more
- 23a normal year
The highest temperature in this station's record (since 1961) is 99°F, on June 21, 2022; the lowest is −44°F, on January 17, 1982.
The wettest calendar year on that record is 2022, with 35.40 in; the snowiest season is 2022–23, with 122.8 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00213417; records: ACIS (NOAA Regional Climate Centers), station USC00213417. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Gunflint Lake (10 mi NW)?
Over a year 69% of the sunlight that would reach the ground under clear skies gets through the clouds at Gunflint Lake (10 mi NW), 3.5 kWh per square metre a day. July is the sunniest month (75%) and November the cloudiest (53%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 58% | 1.2 |
| February | 69% | 2.3 |
| March | 72% | 3.6 |
| April | 70% | 4.8 |
| May | 68% | 5.4 |
| June | 70% | 5.8 |
| July | 75% | 5.9 |
| August | 75% | 5.0 |
| September | 69% | 3.5 |
| October | 60% | 2.1 |
| November | 53% | 1.2 |
| December | 55% | 0.9 |
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 Gunflint Lake (10 mi NW) record?
A normal year at Gunflint Lake (10 mi NW) brings 10,443 heating degree days, 94% more than the median U.S. place (5,373), and 176 cooling degree days, 81% fewer than the median (908). Nine months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,513 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,886 | 0 |
| February | 1,604 | 0 |
| March | 1,372 | 0 |
| April | 899 | 0 |
| May | 479 | 6 |
| June | 176 | 28 |
| July | 79 | 76 |
| August | 111 | 54 |
| September | 327 | 12 |
| October | 746 | 0 |
| November | 1,128 | 0 |
| December | 1,635 | 0 |
| Year (annual) | 10,443 | 176 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00213417. 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 Gunflint Lake (10 mi NW) been warmer than normal?
2024 averaged 41.0°F, 4.3°F above the 1991-2020 normal of 36.7°F. 3 of the 4 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 39.7°F | +3.0°F | 25.11 | 63.9 |
| 2022 | 34.5°F | −2.2°F | 35.40 | 120.5 |
| 2023 | 39.0°F | +2.3°F | 22.09 | 80.6 |
| 2024 | 41.0°F | +4.3°F | 24.89 | 64.9 |
Over 32 complete years from 1962 to 2024, the station's annual mean temperature rose at a fitted 6.4°F per century (+0.36°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00213417; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Gunflint Lake (10 mi NW)'s climate compare?
Gunflint Lake (10 mi NW) is warmer than 2 of the 129 places with their own NOAA record in Minnesota, and wetter than 24. Across the 7,247 U.S. stations with normals, its annual mean of 36.7°F is warmer than 2%.
In the Köppen classification computed from these normals, Gunflint Lake (10 mi NW) 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 Gunflint Lake (10 mi NW)'s climate
What is the coldest month at Gunflint Lake (10 mi NW)?
January, with a normal high of 15°F and a normal low of −6°F. The warmest is July (76°F by day, 54°F at night).
Does it snow at Gunflint Lake (10 mi NW)?
Yes: 65 inches in a normal year, falling on 38 days with 0.1 inch or more, the most in December (14.3 inches).
What is the rainiest month at Gunflint Lake (10 mi NW)?
July, with 3.68 in of precipitation in a normal year; the driest is February with 0.79 in.
What plant hardiness zone is Gunflint Lake (10 mi NW) in?
By the same method at the station, the coldest night of a typical year reaches −33°F (20 years, 1991-2020): zone 3b.
How late can frost come at Gunflint Lake (10 mi NW)?
In half of years the last 32°F night comes after May 23; 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
- Lutsen, MN34 miles from this station, 36.7°F a year
- Grand Marais, MN38 miles from this station, 39.5°F a year
- Ely, MN47 miles from this station, 38.6°F a year
- Wolf Ridge Environmental Learning Center, MN52 miles from this station, 38.9°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made