Bruno, Minnesota climate: Normal weather by month, frost dates and records
Bruno's normal year runs from 0°F January nights to 78°F July afternoons, with 33.7 inches of precipitation and 64 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 4.7°C, January lows of −18°C, July highs of 26°C, 855 mm of precipitation a year.
- NOAA stationBruno (7 mi ENE)
- Station IDUSC00211074
- Location46.30°N 92.53°W
- Elevation1,253 ft (382 m)
- Population83
On October 24, the normal high in Bruno is 50°F and the normal low 31°F, and the chance of measurable rain or snow is 32%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Bruno.
- Jan 19° 0°
- Feb 25° 3°
- Mar 38° 17°
- Apr 51° 29°
- May 65° 41°
- Jun 74° 50°
- Jul 78° 56°
- Aug 76° 54°
- Sep 68° 46°
- Oct 54° 34°
- Nov 38° 22°
- Dec 24° 9°
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 Bruno each month?
July is the warmest month, with normal highs of 78°F; January the coldest, with normal lows of 0°F. The most precipitation falls in July (4.97 in), the least in January (0.95 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 19°F | 0°F | 9.5°F | 0.95 | 10.6 | 9 | <1 | 31 | 9 h |
| February | 25°F | 3°F | 14.1°F | 1.03 | 11.2 | 7 | <1 | 28 | 10 h 20 min |
| March | 38°F | 17°F | 27.2°F | 1.62 | 10.2 | 8 | <1 | 29 | 11 h 50 min |
| April | 51°F | 29°F | 40.1°F | 2.98 | 5.7 | 10 | <1 | 22 | 13 h 30 min |
| May | 65°F | 41°F | 52.8°F | 3.70 | 0.5 | 12 | <1 | 6 | 15 h |
| June | 74°F | 50°F | 61.9°F | 4.70 | 0.0 | 12 | 1 | <1 | 15 h 50 min |
| July | 78°F | 56°F | 66.9°F | 4.97 | 0.0 | 12 | 2 | <1 | 15 h 30 min |
| August | 76°F | 54°F | 65.2°F | 3.92 | 0.0 | 11 | 1 | <1 | 14 h 10 min |
| September | 68°F | 46°F | 57.1°F | 3.40 | 0.0 | 11 | <1 | 3 | 12 h 40 min |
| October | 54°F | 34°F | 44.0°F | 3.13 | 1.6 | 11 | <1 | 16 | 11 h |
| November | 38°F | 22°F | 29.8°F | 1.86 | 10.4 | 8 | <1 | 26 | 9 h 30 min |
| December | 24°F | 9°F | 16.4°F | 1.42 | 14.1 | 10 | <1 | 31 | 8 h 40 min |
| Year (annual) | 51°F | 30°F | 40.4°F | 33.68 | 64.3 | 120 | 3 | 191 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −7°C | −18°C | −12.5°C | 24 mm | 27 cm |
| February | −4°C | −16°C | −9.9°C | 26 mm | 28 cm |
| March | 3°C | −8°C | −2.7°C | 41 mm | 26 cm |
| April | 11°C | −2°C | 4.5°C | 76 mm | 14 cm |
| May | 18°C | 5°C | 11.6°C | 94 mm | 1 cm |
| June | 23°C | 10°C | 16.6°C | 119 mm | 0 cm |
| July | 26°C | 13°C | 19.4°C | 126 mm | 0 cm |
| August | 25°C | 12°C | 18.4°C | 100 mm | 0 cm |
| September | 20°C | 8°C | 13.9°C | 86 mm | 0 cm |
| October | 12°C | 1°C | 6.7°C | 80 mm | 4 cm |
| November | 3°C | −6°C | −1.2°C | 47 mm | 26 cm |
| December | −4°C | −13°C | −8.7°C | 36 mm | 36 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00211074; 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 Bruno?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. 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 USC00211074.
When is the last frost in Bruno?
In Bruno, the last spring frost (32°F) comes after May 18 in half of years and after June 1 in one year in ten; the first autumn frost comes before September 26 in half of years and before September 12 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 181 year in 10 after June 1; 9 in 10 after May 3
- First autumn frost, half of years before
- September 261 year in 10 before September 12; 9 in 10 before October 9
NOAA puts the median frost-free season at 129 days, and the season without a hard freeze (28°F) at 151 days.
A hard freeze (28°F) comes after May 5 in half of springs and before October 5 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Bruno in zone 4a in ZIP code 55704, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Bruno's NOAA station is in zone 4a: the coldest night of a typical year reaches −28°F (28 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 USC00211074; 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 Bruno?
In a normal year in Bruno, 3 days a year reach 90°F, 191 nights fall to 32°F or colder and 120 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
- 191a normal year
- Days that stay below freezing
- 95high of 32°F or less
- Days with 0.01 inch of precipitation
- 120a normal year
- Days with 1 inch of snow or more
- 19a normal year
The highest temperature in this station's record (since 1990) is 98°F, on July 16, 2006; the lowest is −46°F, on February 2, 1996.
The wettest calendar year on that record is 1991, with 48.01 in; the snowiest season is 2022–23, with 107.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00211074; records: ACIS (NOAA Regional Climate Centers), station USC00211074. Records use complete months only; a month missing more than three days is left out.
How sunny is Bruno?
Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Bruno, 3.7 kWh per square metre a day. July is the sunniest month (79%) and December the cloudiest (60%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 70% | 1.6 |
| February | 76% | 2.7 |
| March | 73% | 3.8 |
| April | 69% | 4.7 |
| May | 68% | 5.4 |
| June | 72% | 5.9 |
| July | 79% | 6.2 |
| August | 77% | 5.2 |
| September | 72% | 3.8 |
| October | 65% | 2.4 |
| November | 63% | 1.5 |
| December | 60% | 1.1 |
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 Bruno need?
A normal year in Bruno brings 9,189 heating degree days, 71% more than the median U.S. place (5,373), and 268 cooling degree days, 70% 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 1,837 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,720 | 0 |
| February | 1,424 | 0 |
| March | 1,172 | 0 |
| April | 746 | 0 |
| May | 390 | 12 |
| June | 139 | 46 |
| July | 51 | 110 |
| August | 72 | 76 |
| September | 262 | 23 |
| October | 652 | 1 |
| November | 1,056 | 0 |
| December | 1,507 | 0 |
| Year (annual) | 9,189 | 268 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00211074. 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 Bruno been warmer than normal lately?
2023 averaged 43.0°F, 2.6°F above the 1991-2020 normal of 40.4°F. 2 of the 3 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 42.9°F | +2.5°F | 30.10 | 43.1 |
| 2022 | 39.1°F | −1.3°F | 29.69 | 72.7 |
| 2023 | 43.0°F | +2.6°F | 29.15 | 73.8 |
Source: observed years: ACIS, station USC00211074. A year counts only with all twelve months complete.
How does Bruno's climate compare?
Bruno is warmer than 34 of the other 128 places with their own NOAA record in Minnesota, and wetter than 99. Across the 7,247 U.S. stations with normals, its annual mean of 40.4°F is warmer than 6%.
In the Köppen classification computed from these normals, Bruno 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 Bruno share this climate record?
Kerrick has no NOAA station with 1991-2020 normals of its 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.
- Kerrick, MN76 people · 4 mi NW
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 Bruno's climate
What is the coldest month in Bruno?
January, with a normal high of 19°F and a normal low of 0°F. The warmest is July (78°F by day, 56°F at night).
Does it snow in Bruno?
Yes: 64 inches in a normal year, falling on 40 days with 0.1 inch or more, the most in December (14.1 inches).
What is the rainiest month in Bruno?
July, with 4.97 in of precipitation in a normal year; the driest is January with 0.95 in.
What plant hardiness zone is Bruno in?
The USDA's 2023 map puts Bruno in zone 4a in ZIP code 55704, the nearest ZIP area. By the same method at Bruno's NOAA station, the coldest night of a typical year reaches −28°F (28 years, 1991-2020): zone 4a.
How late can frost come in Bruno?
In half of years the last 32°F night comes after May 18; 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
- Minnesota climateThe statewide normals and every place in the state
- Moose Lake, MN14 miles from this station, 41.4°F a year
- Foxboro, WI17 miles from this station, 39.6°F a year
- Danbury, WI22 miles from this station, 42.7°F a year
- Sandstone, MN25 miles from this station, 41.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made