West Scarborough climate — normals and trends
West Scarborough (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.7 °C and it receives 1,051 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (21.3 °C on average) and the coldest is January (-4.3 °C). Rainfall peaks in November.
West Scarborough averages 111 frost days, 8 hot days (≥ 30 °C) and 115 rainy days per year.
West Scarborough has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 119 to 103 per year over the period.
The hottest day of the period reached 37.5 °C (on 24 June 2025) and the coldest -27.3 °C (on 13 February 1967).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
West ScarboroughMaine
- coords
- 43.57°, -70.39°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.7°C
Average daily high
12.7°C
Average daily low
4.8°C
Annual rainfall
1,051mm
Sunshine / day
8.9h
Mean relative humidity
73%
Average peak wind
18.6km/h
Seasonal range
25.6°C
Frost days (< 0 °C)
111 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
115 d/yr
Annual snowfall
129.6 cm
Average feels-like high
10.8 °C
Average feels-like low
1.7 °C
Average peak gust
39.6 km/h
Tropical nights (≥ 20 °C)
11 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.38 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
37.5 °C
24 June 2025
Coldest day
-27.3 °C
13 February 1967
Wettest day
124 mm
11 September 1954
Windiest day
64.2 km/h
31 August 1954
Strongest gust
135.0 km/h
31 August 1954
Hottest feels-like
44.1 °C
2 August 1975
Coldest feels-like
-33.2 °C
4 February 2023
Snowiest day
37.7 cm
18 February 1952
Sunniest day
14.9 h
21 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -0.4 °C | 0.0 °C | 41 mm | -46 mm |
| Feb | 0.0 °C | -0.7 °C | 85 mm | +3 mm |
| Mar | 7.0 °C | +2.2 °C | 102 mm | +4 mm |
| Apr | 12.7 °C | +1.6 °C | 124 mm | +31 mm |
| May | 16.3 °C | -0.7 °C | 154 mm | +72 mm |
| Jun | 23.4 °C | +1.1 °C | 38 mm | -43 mm |
| Jul | 26.8 °C | +1.3 °C | 70 mm | -7 mm |
| Aug | 25.1 °C | +0.3 °C | 24 mm | -52 mm |
| Sep | 22.3 °C | +1.6 °C | 53 mm | -26 mm |
| Oct | 16.4 °C | +1.5 °C | 91 mm | -2 mm |
| Nov | 8.2 °C | -0.5 °C | 61 mm | -42 mm |
| Dec | 1.0 °C | -1.6 °C | 91 mm | -11 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of West Scarborough?
West Scarborough has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.7 °C and it receives 1,051 mm of precipitation per year.
What is the hottest day ever recorded in West Scarborough?
The hottest day measured in West Scarborough between 1940 and 2025 was 24 June 2025, reaching 37.5 °C.
What is the coldest day in West Scarborough?
The coldest day measured in West Scarborough between 1940 and 2025 was 13 February 1967, at -27.3 °C.
Does it snow in West Scarborough?
Yes. West Scarborough gets on average 129.6 cm of snow per year and has around 111 frost days.
Has the climate of West Scarborough warmed?
Yes: West Scarborough warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in West Scarborough?
The wettest day measured in West Scarborough between 1940 and 2025 was 11 September 1954, with 124 mm of rain in 24 hours.
What was the windiest day in West Scarborough?
The windiest day measured in West Scarborough between 1940 and 2025 was 31 August 1954, with winds reaching 64.2 km/h.
What is the warmest month in West Scarborough?
The warmest month in West Scarborough is July (21.3 °C on average); the coldest is January (-4.3 °C).
How much does it rain in West Scarborough?
West Scarborough receives on average 1,051 mm of precipitation per year, spread over about 115 rainy days.
Is it sunny in West Scarborough?
West Scarborough gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in West Scarborough?
The heaviest 24-hour snowfall measured in West Scarborough between 1940 and 2025 was 18 February 1952, with 37.7 cm.
Are there tropical nights in West Scarborough?
Yes: West Scarborough has on average 11 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in West Scarborough?
In West Scarborough, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 2 August 1975, and the lowest was -33.2 °C on 4 February 2023.
Compare West Scarborough with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around West Scarborough