Morenci, Michigan climate: Normal weather by month, frost dates and records
Morenci's normal year runs from 15°F January nights to 86°F July afternoons, with 38.1 inches of precipitation and 32 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 9.1°C, January lows of −10°C, July highs of 30°C, 967 mm of precipitation a year.
- NOAA stationMorenci
- Station IDUSC00205603
- Location41.72°N 84.21°W
- Elevation770 ft (235 m)
- From the centerunder 1 mile
- Population2,220
On October 23, the normal high in Morenci is 59°F and the normal low 36°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 Morenci.
- Jan 33° 15°
- Feb 36° 16°
- Mar 47° 24°
- Apr 60° 34°
- May 72° 46°
- Jun 82° 56°
- Jul 86° 58°
- Aug 83° 56°
- Sep 76° 49°
- Oct 63° 38°
- Nov 49° 29°
- Dec 37° 20°
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 Morenci each month?
July is the warmest month, with normal highs of 86°F; January the coldest, with normal lows of 15°F. The most precipitation falls in May (4.05 in), the least in January (2.33 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 33°F | 15°F | 23.8°F | 2.33 | 9.8 | 12 | <1 | 29 | 9 h 30 min |
| February | 36°F | 16°F | 25.8°F | 2.33 | 8.1 | 10 | <1 | 27 | 10 h 30 min |
| March | 47°F | 24°F | 35.3°F | 2.77 | 5.2 | 10 | <1 | 24 | 11 h 50 min |
| April | 60°F | 34°F | 46.8°F | 3.58 | 0.8 | 12 | <1 | 11 | 13 h 20 min |
| May | 72°F | 46°F | 58.8°F | 4.05 | 0.0 | 12 | 1 | 1 | 14 h 30 min |
| June | 82°F | 56°F | 68.5°F | 3.84 | 0.0 | 10 | 4 | <1 | 15 h 10 min |
| July | 86°F | 58°F | 71.8°F | 3.82 | 0.0 | 9 | 8 | <1 | 15 h |
| August | 83°F | 56°F | 69.7°F | 3.76 | 0.0 | 9 | 4 | <1 | 13 h 50 min |
| September | 76°F | 49°F | 62.4°F | 3.14 | 0.0 | 9 | 2 | <1 | 12 h 30 min |
| October | 63°F | 38°F | 50.3°F | 2.95 | 0.0 | 10 | <1 | 7 | 11 h 10 min |
| November | 49°F | 29°F | 38.8°F | 3.04 | 1.5 | 10 | <1 | 20 | 9 h 50 min |
| December | 37°F | 20°F | 28.8°F | 2.48 | 6.6 | 11 | <1 | 27 | 9 h 10 min |
| Year (annual) | 60°F | 37°F | 48.4°F | 38.09 | 32.0 | 123 | 19 | 148 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 0°C | −10°C | −4.6°C | 59 mm | 25 cm |
| February | 2°C | −9°C | −3.4°C | 59 mm | 21 cm |
| March | 8°C | −4°C | 1.8°C | 70 mm | 13 cm |
| April | 16°C | 1°C | 8.2°C | 91 mm | 2 cm |
| May | 22°C | 8°C | 14.9°C | 103 mm | 0 cm |
| June | 28°C | 13°C | 20.3°C | 98 mm | 0 cm |
| July | 30°C | 14°C | 22.1°C | 97 mm | 0 cm |
| August | 28°C | 14°C | 20.9°C | 96 mm | 0 cm |
| September | 25°C | 9°C | 16.9°C | 80 mm | 0 cm |
| October | 17°C | 3°C | 10.2°C | 75 mm | 0 cm |
| November | 9°C | −2°C | 3.8°C | 77 mm | 4 cm |
| December | 3°C | −6°C | −1.8°C | 63 mm | 17 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00205603; 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 Morenci?
Normal highs sit between 65°F and 85°F in May, June, August and September. Of those, September has the fewest days with rain (9).
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 USC00205603.
When is the last frost in Morenci?
In Morenci, the last spring frost (32°F) comes after May 4 in half of years and after May 19 in one year in ten; the first autumn frost comes before October 7 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
- May 41 year in 10 after May 19; 9 in 10 after April 22
- First autumn frost, half of years before
- October 71 year in 10 before September 24; 9 in 10 before October 20
NOAA puts the median frost-free season at 156 days, and the season without a hard freeze (28°F) at 178 days.
A hard freeze (28°F) comes after April 25 in half of springs and before October 20 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Morenci in zone 6a in ZIP code 49256, the nearest ZIP area.
Frost dates for every NOAA station in Michigan · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00205603; 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 Morenci?
In a normal year in Morenci, 19 days a year reach 90°F (1 of them 100°F or more), 148 nights fall to 32°F or colder and 123 days bring measurable precipitation.
- Days at 90°F or more
- 19a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 148a normal year
- Days that stay below freezing
- 41high of 32°F or less
- Days with 0.01 inch of precipitation
- 123a normal year
- Days with 1 inch of snow or more
- 10a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00205603.
How sunny is Morenci?
Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Morenci, 3.9 kWh per square metre a day. July is the sunniest month (81%) and December the cloudiest (56%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 58% | 1.6 |
| February | 63% | 2.5 |
| March | 65% | 3.5 |
| April | 69% | 4.7 |
| May | 71% | 5.5 |
| June | 77% | 6.2 |
| July | 81% | 6.2 |
| August | 80% | 5.4 |
| September | 78% | 4.4 |
| October | 69% | 2.9 |
| November | 65% | 1.9 |
| December | 56% | 1.4 |
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 Morenci need?
A normal year in Morenci brings 6,637 heating degree days, 24% more than the median U.S. place (5,373), and 626 cooling degree days, 31% 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 2,727 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,277 | 0 |
| February | 1,096 | 0 |
| March | 921 | 1 |
| April | 547 | 2 |
| May | 230 | 37 |
| June | 38 | 143 |
| July | 8 | 217 |
| August | 17 | 164 |
| September | 134 | 56 |
| October | 461 | 5 |
| November | 788 | 0 |
| December | 1,121 | 0 |
| Year (annual) | 6,637 | 626 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00205603. 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 Morenci's climate compare?
Morenci is warmer than 110 of the other 139 places with their own NOAA record in Michigan, and wetter than 109. Across the 7,247 U.S. stations with normals, its annual mean of 48.4°F is warmer than 34%.
In the Köppen classification computed from these normals, Morenci is Dfa: continental, no dry season, hot 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 Morenci share this climate record?
10 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.
- Archbold, OH4,445 people · 15 mi S
- Delta, OH3,312 people · 14 mi SE
- Hudson, MI2,361 people · 11 mi NW
- West Unity, OH1,731 people · 14 mi SW
- Fayette, OH1,282 people · 7 mi SW
- Lyons, OH589 people · 8 mi E
- Pettisville, OH488 people · 13 mi S
- Kunkle, OH263 people · 16 mi W
- Tedrow, OH240 people · 8 mi S
- Alvordton, OH135 people · 12 mi W
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 Morenci's climate
What is the coldest month in Morenci?
January, with a normal high of 33°F and a normal low of 15°F. The warmest is July (86°F by day, 58°F at night).
Does it snow in Morenci?
Yes: 32 inches in a normal year, falling on 28 days with 0.1 inch or more, the most in January (9.8 inches).
What is the rainiest month in Morenci?
May, with 4.05 in of precipitation in a normal year; the driest is January with 2.33 in.
What plant hardiness zone is Morenci in?
The USDA's 2023 map puts Morenci in zone 6a in ZIP code 49256, the nearest ZIP area.
How late can frost come in Morenci?
In half of years the last 32°F night comes after May 4; in one year in ten it comes after May 19. Waiting until May 19 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Michigan climateThe statewide normals and every place in the state
- Adrian, MI12 miles from this station, 49.3°F a year
- Wauseon, OH14 miles from this station, 49.2°F a year
- Blissfield, MI20 miles from this station, 48.6°F a year
- Tipton (2 mi WNW), MI22 miles from this station, 47.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made