Wesley, Maine climate: Climate normals at a NOAA weather station
Wesley's normal year runs from 11°F January nights to 77°F July afternoons, with 49.4 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 6.8°C, January lows of −12°C, July highs of 25°C, 1,253 mm of precipitation a year.
- NOAA stationWesley
- Station IDUSC00179294
- Location44.95°N 67.67°W
- Elevation410 ft (125 m)
On October 23, the normal high in Wesley is 54°F and the normal low 37°F, and the chance of measurable rain or snow is 42%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Wesley.
- Jan 27° 11°
- Feb 30° 12°
- Mar 38° 21°
- Apr 51° 32°
- May 63° 43°
- Jun 71° 53°
- Jul 77° 58°
- Aug 77° 57°
- Sep 68° 50°
- Oct 57° 40°
- Nov 45° 30°
- Dec 34° 19°
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 Wesley each month?
July is the warmest month, with normal highs of 77°F; January the coldest, with normal lows of 11°F. The most precipitation falls in October (5.32 in), the least in July (3.13 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 27°F | 11°F | 19.0°F | 3.91 | 12 | <1 | 30 | 9 h 10 min |
| February | 30°F | 12°F | 21.1°F | 3.29 | 10 | <1 | 27 | 10 h 20 min |
| March | 38°F | 21°F | 29.9°F | 4.25 | 13 | <1 | 29 | 11 h 50 min |
| April | 51°F | 32°F | 41.2°F | 4.04 | 13 | <1 | 17 | 13 h 30 min |
| May | 63°F | 43°F | 53.0°F | 4.10 | 16 | <1 | 1 | 14 h 50 min |
| June | 71°F | 53°F | 62.0°F | 4.07 | 14 | 1 | <1 | 15 h 30 min |
| July | 77°F | 58°F | 67.6°F | 3.13 | 13 | <1 | <1 | 15 h 20 min |
| August | 77°F | 57°F | 66.9°F | 3.72 | 12 | 1 | <1 | 14 h 10 min |
| September | 68°F | 50°F | 59.0°F | 3.76 | 11 | <1 | <1 | 12 h 40 min |
| October | 57°F | 40°F | 48.2°F | 5.32 | 13 | <1 | 9 | 11 h |
| November | 45°F | 30°F | 37.2°F | 4.64 | 12 | <1 | 21 | 9 h 40 min |
| December | 34°F | 19°F | 26.7°F | 5.12 | 13 | <1 | 29 | 8 h 50 min |
| Year (annual) | 53°F | 36°F | 44.3°F | 49.35 | 151 | 2 | 162 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −3°C | −12°C | −7.2°C | 99 mm |
| February | −1°C | −11°C | −6.1°C | 84 mm |
| March | 4°C | −6°C | −1.2°C | 108 mm |
| April | 10°C | 0°C | 5.1°C | 103 mm |
| May | 17°C | 6°C | 11.7°C | 104 mm |
| June | 22°C | 11°C | 16.7°C | 103 mm |
| July | 25°C | 15°C | 19.8°C | 80 mm |
| August | 25°C | 14°C | 19.4°C | 94 mm |
| September | 20°C | 10°C | 15.0°C | 96 mm |
| October | 14°C | 4°C | 9.0°C | 135 mm |
| November | 7°C | −1°C | 2.9°C | 118 mm |
| December | 1°C | −7°C | −2.9°C | 130 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Grand Lake Stream (17 miles away), gets 74 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00179294; 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 Wesley?
Normal highs sit between 65°F and 85°F in June, July, August and September. Of those, September 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 USC00179294.
When is the last frost at Wesley?
In Wesley, the last spring frost (32°F) comes after May 2 in half of years and after May 12 in one year in ten; the first autumn frost comes before October 15 in half of years and before October 1 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 21 year in 10 after May 12; 9 in 10 after April 21
- First autumn frost, half of years before
- October 151 year in 10 before October 1; 9 in 10 before October 30
NOAA puts the median frost-free season at 164 days, and the season without a hard freeze (28°F) at 189 days.
A hard freeze (28°F) comes after April 21 in half of springs and before October 29 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Wesley in zone 5b in ZIP code 04686, 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 USC00179294; 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 Wesley?
In a normal year in Wesley, 2 days a year reach 90°F, 162 nights fall to 32°F or colder and 151 days bring measurable precipitation.
- Days at 90°F or more
- 2a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 162a normal year
- Days that stay below freezing
- 59high of 32°F or less
- Days with 0.01 inch of precipitation
- 151a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00179294.
How sunny is it at Wesley?
Over a year 70% of the sunlight that would reach the ground under clear skies gets through the clouds at Wesley, 3.7 kWh per square metre a day. September is the sunniest month (77%) and December the cloudiest (59%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 62% | 1.5 |
| February | 66% | 2.4 |
| March | 69% | 3.6 |
| April | 68% | 4.7 |
| May | 67% | 5.3 |
| June | 70% | 5.7 |
| July | 75% | 5.8 |
| August | 77% | 5.2 |
| September | 77% | 4.2 |
| October | 69% | 2.7 |
| November | 63% | 1.6 |
| December | 59% | 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 many heating and cooling degree days does Wesley record?
A normal year at Wesley brings 7,761 heating degree days, 44% more than the median U.S. place (5,373), and 260 cooling degree days, 71% 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 1,934 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,426 | 0 |
| February | 1,228 | 0 |
| March | 1,088 | 0 |
| April | 714 | 0 |
| May | 375 | 3 |
| June | 125 | 35 |
| July | 27 | 107 |
| August | 36 | 95 |
| September | 198 | 20 |
| October | 522 | 1 |
| November | 834 | 0 |
| December | 1,189 | 0 |
| Year (annual) | 7,761 | 260 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00179294. 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 Wesley's climate compare?
Wesley is warmer than 22 of the 42 places with their own NOAA record in Maine, and wetter than 32. Across the 7,247 U.S. stations with normals, its annual mean of 44.3°F is warmer than 17%.
In the Köppen classification computed from these normals, Wesley 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 Wesley's climate
What is the coldest month at Wesley?
January, with a normal high of 27°F and a normal low of 11°F. The warmest is July (77°F by day, 58°F at night).
Does it snow at Wesley?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Grand Lake Stream (17 miles away), records 74 inches of snow in a normal year.
What is the rainiest month at Wesley?
October, with 5.32 in of precipitation in a normal year; the driest is July with 3.13 in.
What plant hardiness zone is Wesley in?
The USDA's 2023 map puts Wesley in zone 5b in ZIP code 04686, the nearest ZIP area.
How late can frost come at Wesley?
In half of years the last 32°F night comes after May 2; 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
- Grand Lake Stream, ME17 miles from this station, 44.0°F a year
- Woodland, ME19 miles from this station, 46.6°F a year
- Jonesboro, ME21 miles from this station, 44.0°F a year
- Robbinston, ME28 miles from this station, 44.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made