Delano, Minnesota climate: Normal weather by month, frost dates and records
Delano's normal year runs from 4°F January nights to 83°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 6.9°C, January lows of −16°C, July highs of 28°C.
- NOAA stationDelano
- Station IDUSC00212088
- Location45.05°N 93.78°W
- Elevation975 ft (297 m)
- From the center1 miles
- Population7,513
On October 22, the normal high in Delano is 55°F and the normal low 35°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Delano.
- Jan 23° 4°
- Feb 28° 7°
- Mar 40° 21°
- Apr 56° 33°
- May 69° 47°
- Jun 78° 57°
- Jul 83° 62°
- Aug 80° 59°
- Sep 72° 50°
- Oct 58° 37°
- Nov 41° 24°
- Dec 28° 12°
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 Delano each month?
July is the warmest month, with normal highs of 83°F; January the coldest, with normal lows of 4°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 23°F | 4°F | 13.5°F | – | <1 | 31 | 9 h 10 min |
| February | 28°F | 7°F | 17.1°F | – | <1 | 28 | 10 h 20 min |
| March | 40°F | 21°F | 30.1°F | – | <1 | 27 | 11 h 50 min |
| April | 56°F | 33°F | 44.4°F | – | <1 | 14 | 13 h 30 min |
| May | 69°F | 47°F | 57.5°F | – | 1 | 2 | 14 h 50 min |
| June | 78°F | 57°F | 67.6°F | – | 2 | <1 | 15 h 40 min |
| July | 83°F | 62°F | 72.4°F | – | 3 | <1 | 15 h 20 min |
| August | 80°F | 59°F | 69.6°F | – | 2 | <1 | 14 h 10 min |
| September | 72°F | 50°F | 61.2°F | – | <1 | 1 | 12 h 40 min |
| October | 58°F | 37°F | 47.7°F | – | <1 | 10 | 11 h |
| November | 41°F | 24°F | 32.7°F | – | <1 | 24 | 9 h 40 min |
| December | 28°F | 12°F | 19.9°F | – | <1 | 30 | 8 h 50 min |
| Year (annual) | 55°F | 34°F | 44.5°F | – | 8 | 166 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | −5°C | −16°C | −10.3°C |
| February | −2°C | −14°C | −8.3°C |
| March | 4°C | −6°C | −1.1°C |
| April | 13°C | 1°C | 6.9°C |
| May | 20°C | 8°C | 14.2°C |
| June | 25°C | 14°C | 19.8°C |
| July | 28°C | 17°C | 22.4°C |
| August | 27°C | 15°C | 20.9°C |
| September | 22°C | 10°C | 16.2°C |
| October | 15°C | 3°C | 8.7°C |
| November | 5°C | −4°C | 0.4°C |
| December | −2°C | −11°C | −6.7°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Buffalo (11 miles away), gets 40 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00212088; 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 Delano?
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 USC00212088.
When is the last frost in Delano?
In Delano, the last spring frost (32°F) comes after April 30 in half of years and after May 14 in one year in ten; the first autumn frost comes before October 8 in half of years and before September 24 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
- April 301 year in 10 after May 14; 9 in 10 after April 18
- First autumn frost, half of years before
- October 81 year in 10 before September 24; 9 in 10 before October 21
NOAA puts the median frost-free season at 159 days, and the season without a hard freeze (28°F) at 181 days.
A hard freeze (28°F) comes after April 22 in half of springs and before October 19 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Delano in zone 4b in ZIP code 55328, the nearest ZIP area.
Frost dates for every NOAA station in Minnesota · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00212088; 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 Delano?
In a normal year in Delano, 8 days a year reach 90°F and 166 nights fall to 32°F or colder.
- Days at 90°F or more
- 8a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 166a normal year
- Days that stay below freezing
- 77high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00212088.
How sunny is Delano?
Over a year 73% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Delano, 3.8 kWh per square metre a day. July is the sunniest month (80%) and December the cloudiest (61%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 73% | 1.8 |
| February | 79% | 2.9 |
| March | 74% | 3.9 |
| April | 69% | 4.7 |
| May | 69% | 5.4 |
| June | 74% | 6.0 |
| July | 80% | 6.3 |
| August | 78% | 5.2 |
| September | 75% | 4.0 |
| October | 67% | 2.6 |
| November | 65% | 1.6 |
| December | 61% | 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 Delano need?
A normal year in Delano brings 8,051 heating degree days, 50% more than the median U.S. place (5,373), and 612 cooling degree days, 33% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,592 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,596 | 0 |
| February | 1,340 | 0 |
| March | 1,082 | 0 |
| April | 619 | 1 |
| May | 262 | 29 |
| June | 48 | 126 |
| July | 7 | 235 |
| August | 20 | 163 |
| September | 168 | 54 |
| October | 540 | 4 |
| November | 971 | 0 |
| December | 1,398 | 0 |
| Year (annual) | 8,051 | 612 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00212088. 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.
How does Delano's climate compare?
Delano is warmer than 90 of the other 128 places with their own NOAA record in Minnesota. Across the 7,247 U.S. stations with normals, its annual mean of 44.5°F is warmer than 17%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Delano share this climate record?
12 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.
- Minnetrista, MN9,091 people · 8 mi SE
- Corcoran, MN8,378 people · 11 mi NE
- Rockford, MN4,796 people · 3 mi NE
- Watertown, MN4,774 people · 7 mi SW
- Montrose, MN3,925 people · 7 mi W
- Independence, MN3,710 people · 3 mi SE
- Greenfield, MN2,908 people · 5 mi NE
- Mayer, MN2,534 people · 12 mi SW
- Waverly, MN2,241 people · 9 mi W
- Maple Plain, MN1,648 people · 6 mi SE
- Loretto, MN610 people · 7 mi E
- New Germany, MN448 people · 15 mi SW
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 Delano's climate
What is the coldest month in Delano?
January, with a normal high of 23°F and a normal low of 4°F. The warmest is July (83°F by day, 62°F at night).
Does it snow in Delano?
Yes. NOAA publishes no 1991-2020 snowfall normal for Delano's NOAA station; the nearest record that keeps one, Buffalo (11 miles away), records 40 inches of snow in a normal year.
What plant hardiness zone is Delano in?
The USDA's 2023 map puts Delano in zone 4b in ZIP code 55328, the nearest ZIP area.
How late can frost come in Delano?
In half of years the last 32°F night comes after April 30; in one year in ten it comes after May 14. Waiting until May 14 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Minnesota climateThe statewide normals and every place in the state
- Buffalo, MN11 miles from this station, 43.8°F a year
- Chanhassen, MN17 miles from this station, 44.6°F a year
- Chaska, MN17 miles from this station, 44.1°F a year
- New Hope, MN20 miles from this station, 45.7°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made