Windham (2 mi NW), Maine climate: Climate normals at a NOAA weather station
Windham (2 mi NW)'s normal year runs from 11°F January nights to 80°F July afternoons, with 49.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 7.6°C, January lows of −12°C, July highs of 27°C, 1,265 mm of precipitation a year.
- NOAA stationWindham (2 mi NW)
- Station IDUSC00179720
- Location43.86°N 70.47°W
- Elevation443 ft (135 m)
On October 22, the normal high in Windham (2 mi NW) is 55°F and the normal low 38°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Windham (2 mi NW).
- Jan 29° 11°
- Feb 32° 11°
- Mar 41° 20°
- Apr 53° 33°
- May 65° 44°
- Jun 75° 54°
- Jul 80° 60°
- Aug 80° 59°
- Sep 72° 52°
- Oct 58° 40°
- Nov 45° 30°
- Dec 35° 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 at Windham (2 mi NW) each month?
July is the warmest month, with normal highs of 80°F; January the coldest, with normal lows of 11°F. The most precipitation falls in October (5.37 in), the least in February (3.47 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 29°F | 11°F | 19.8°F | 3.49 | – | <1 | 30 | 9 h 10 min |
| February | 32°F | 11°F | 21.6°F | 3.47 | – | <1 | 28 | 10 h 30 min |
| March | 41°F | 20°F | 30.3°F | 3.99 | – | <1 | 27 | 11 h 50 min |
| April | 53°F | 33°F | 42.9°F | 4.40 | – | <1 | 14 | 13 h 20 min |
| May | 65°F | 44°F | 54.6°F | 3.61 | – | <1 | <1 | 14 h 40 min |
| June | 75°F | 54°F | 64.6°F | 4.48 | – | 1 | <1 | 15 h 30 min |
| July | 80°F | 60°F | 70.2°F | 4.29 | – | 4 | <1 | 15 h 10 min |
| August | 80°F | 59°F | 69.4°F | 3.64 | – | 2 | <1 | 14 h |
| September | 72°F | 52°F | 61.7°F | 4.10 | – | 1 | <1 | 12 h 40 min |
| October | 58°F | 40°F | 49.0°F | 5.37 | – | <1 | 3 | 11 h 10 min |
| November | 45°F | 30°F | 37.6°F | 4.34 | – | <1 | 18 | 9 h 40 min |
| December | 35°F | 20°F | 27.2°F | 4.64 | – | <1 | 27 | 9 h |
| Year (annual) | 55°F | 36°F | 45.7°F | 49.82 | – | 8 | 147 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −2°C | −12°C | −6.8°C | 89 mm |
| February | 0°C | −12°C | −5.8°C | 88 mm |
| March | 5°C | −7°C | −0.9°C | 101 mm |
| April | 12°C | 0°C | 6.1°C | 112 mm |
| May | 18°C | 7°C | 12.6°C | 92 mm |
| June | 24°C | 12°C | 18.1°C | 114 mm |
| July | 27°C | 16°C | 21.2°C | 109 mm |
| August | 26°C | 15°C | 20.8°C | 92 mm |
| September | 22°C | 11°C | 16.5°C | 104 mm |
| October | 14°C | 5°C | 9.4°C | 136 mm |
| November | 7°C | −1°C | 3.1°C | 110 mm |
| December | 2°C | −7°C | −2.7°C | 118 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Gray (11 miles away), gets 84 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00179720; 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 Windham (2 mi NW)?
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 USC00179720.
When is the last frost at Windham (2 mi NW)?
In Windham (2 mi NW), the last spring frost (32°F) comes after April 30 in half of years and after May 12 in one year in ten; the first autumn frost comes before October 20 in half of years and before October 5 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 12; 9 in 10 after April 18
- First autumn frost, half of years before
- October 201 year in 10 before October 5; 9 in 10 before November 3
NOAA puts the median frost-free season at 172 days, and the season without a hard freeze (28°F) at 197 days.
A hard freeze (28°F) comes after April 17 in half of springs and before November 1 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Windham (2 mi NW) in zone 5b in ZIP code 04071, the nearest ZIP area.
Frost dates for every NOAA station in Maine · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00179720; 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 at Windham (2 mi NW)?
In a normal year in Windham (2 mi NW), 8 days a year reach 90°F and 147 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
- 147a normal year
- Days that stay below freezing
- 48high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00179720.
How sunny is it at Windham (2 mi NW)?
Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds at Windham (2 mi NW), 3.8 kWh per square metre a day. August is the sunniest month (79%) and December the cloudiest (64%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 67% | 1.7 |
| February | 69% | 2.5 |
| March | 69% | 3.6 |
| April | 70% | 4.7 |
| May | 69% | 5.3 |
| June | 70% | 5.6 |
| July | 77% | 5.9 |
| August | 79% | 5.3 |
| September | 78% | 4.3 |
| October | 70% | 2.8 |
| November | 68% | 1.8 |
| December | 64% | 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 many heating and cooling degree days does Windham (2 mi NW) record?
A normal year at Windham (2 mi NW) brings 7,434 heating degree days, 38% more than the median U.S. place (5,373), and 447 cooling degree days, 51% 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 2,308 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,401 | 0 |
| February | 1,215 | 0 |
| March | 1,077 | 0 |
| April | 663 | 0 |
| May | 332 | 8 |
| June | 82 | 70 |
| July | 10 | 171 |
| August | 11 | 147 |
| September | 148 | 49 |
| October | 499 | 1 |
| November | 824 | 0 |
| December | 1,172 | 0 |
| Year (annual) | 7,434 | 447 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00179720. 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 Windham (2 mi NW) been warmer than normal?
2025 averaged 47.3°F, 1.6°F above the 1991-2020 normal of 45.7°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 47.2°F | +1.5°F | 43.24 |
| 2022 | 47.2°F | +1.5°F | 49.51 |
| 2023 | 49.0°F | +3.3°F | 59.21 |
| 2024 | 49.7°F | +4.0°F | 49.49 |
| 2025 | 47.3°F | +1.6°F | 40.58 |
Source: observed years: ACIS, station USC00179720. A year counts only with all twelve months complete.
How does Windham (2 mi NW)'s climate compare?
Windham (2 mi NW) is warmer than 32 of the 42 places with their own NOAA record in Maine, and wetter than 33. Across the 7,247 U.S. stations with normals, its annual mean of 45.7°F is warmer than 22%.
In the Köppen classification computed from these normals, Windham (2 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.
Which places near Windham (2 mi NW) share this climate record?
3 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.
- North Windham, ME5,633 people · 3 mi SE
- South Windham, ME1,047 people · 8 mi S
- Little Falls, ME735 people · 9 mi S
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 Windham (2 mi NW)'s climate
What is the coldest month at Windham (2 mi NW)?
January, with a normal high of 29°F and a normal low of 11°F. The warmest is July (80°F by day, 60°F at night).
Does it snow at Windham (2 mi NW)?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Gray (11 miles away), records 84 inches of snow in a normal year.
What is the rainiest month at Windham (2 mi NW)?
October, with 5.37 in of precipitation in a normal year; the driest is February with 3.47 in.
What plant hardiness zone is Windham (2 mi NW) in?
The USDA's 2023 map puts Windham (2 mi NW) in zone 5b in ZIP code 04071, the nearest ZIP area.
How late can frost come at Windham (2 mi NW)?
In half of years the last 32°F night comes after April 30; in one year in ten it comes after May 12. Waiting until May 12 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Maine climateThe statewide normals and every place in the state
- Gray, ME11 miles from this station, 46.3°F a year
- Poland, ME12 miles from this station, 44.1°F a year
- West Buxton (2 mi NNW), ME14 miles from this station, 45.6°F a year
- East Hiram, ME14 miles from this station, 43.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made