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West Scarborough, Maine climate
Dfb Warm-summer humid continental
West Scarborough has a strongly seasonal cool-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 27°C, while the coldest is January averaging around −12°C at night. Precipitation is fairly even year-round, totalling about 1303 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsWest Scarborough climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 0 | 2 | 6 | 14 | 20 | 25 | 27 | 27 | 23 | 16 | 9 | 3 |
| Avg temp (°C) | −6 | −5 | 0 | 6 | 12 | 17 | 20 | 20 | 16 | 9 | 3 | −3 |
| Avg low (°C) | −12 | −12 | −7 | −1 | 5 | 10 | 13 | 13 | 8 | 2 | −3 | −8 |
| Precipitation (mm) | 93 | 92 | 119 | 117 | 97 | 116 | 101 | 100 | 97 | 136 | 113 | 122 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 0 | 2 | 6 | 14 | 20 | 25 |
| Avg temp (°C) | −6 | −5 | 0 | 6 | 12 | 17 |
| Avg low (°C) | −12 | −12 | −7 | −1 | 5 | 10 |
| Precipitation (mm) | 93 | 92 | 119 | 117 | 97 | 116 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 23 | 16 | 9 | 3 |
| Avg temp (°C) | 20 | 20 | 16 | 9 | 3 | −3 |
| Avg low (°C) | 13 | 13 | 8 | 2 | −3 | −8 |
| Precipitation (mm) | 101 | 100 | 97 | 136 | 113 | 122 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 8 | 9 | 9 | 11 | 12 | 11 | 9 | 9 | 10 | 10 | 11 |
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 0.7 | 2 | 3 | 2 | 0.5 | — | — | — |
| Days with low ≤ 0°C (days) | 30 | 27 | 26 | 13 | 2 | — | — | — | 0.7 | 8 | 19 | 28 |
| Days with snowfall ≥ 2.5 cm (days) | 3 | 3 | 2 | 0.3 | — | — | — | — | — | 0.0 | 0.5 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 8 | 9 | 9 | 11 | 12 |
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 0.7 | 2 |
| Days with low ≤ 0°C (days) | 30 | 27 | 26 | 13 | 2 | — |
| Days with snowfall ≥ 2.5 cm (days) | 3 | 3 | 2 | 0.3 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 9 | 9 | 10 | 10 | 11 |
| Days with high ≥ 32°C (days) | 3 | 2 | 0.5 | — | — | — |
| Days with low ≤ 0°C (days) | — | — | 0.7 | 8 | 19 | 28 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | 0.0 | 0.5 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 64 | 63 | 63 | 66 | 64 | 57 | 54 | 54 | 60 | 63 | 64 |
| Clear days (≤ 30% cloud) | 3 | 4 | 6 | 6 | 5 | 5 | 7 | 8 | 9 | 7 | 5 | 5 |
| Partly cloudy days (30–70%) | 12 | 11 | 11 | 10 | 11 | 11 | 13 | 12 | 10 | 10 | 10 | 12 |
| Cloudy days (≥ 70%) | 15 | 13 | 15 | 14 | 16 | 14 | 12 | 11 | 11 | 14 | 14 | 15 |
| Relative humidity (%) | 91 | 89 | 85 | 81 | 81 | 81 | 80 | 78 | 78 | 80 | 83 | 88 |
| Wind speed (km/h) | 5.1 | 5.8 | 5.1 | 3.4 | 2.4 | 2.1 | 2.0 | 2.2 | 2.7 | 3.5 | 3.9 | 4.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 64 | 63 | 63 | 66 | 64 |
| Clear days (≤ 30% cloud) | 3 | 4 | 6 | 6 | 5 | 5 |
| Partly cloudy days (30–70%) | 12 | 11 | 11 | 10 | 11 | 11 |
| Cloudy days (≥ 70%) | 15 | 13 | 15 | 14 | 16 | 14 |
| Relative humidity (%) | 91 | 89 | 85 | 81 | 81 | 81 |
| Wind speed (km/h) | 5.1 | 5.8 | 5.1 | 3.4 | 2.4 | 2.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 54 | 54 | 60 | 63 | 64 |
| Clear days (≤ 30% cloud) | 7 | 8 | 9 | 7 | 5 | 5 |
| Partly cloudy days (30–70%) | 13 | 12 | 10 | 10 | 10 | 12 |
| Cloudy days (≥ 70%) | 12 | 11 | 11 | 14 | 14 | 15 |
| Relative humidity (%) | 80 | 78 | 78 | 80 | 83 | 88 |
| Wind speed (km/h) | 2.0 | 2.2 | 2.7 | 3.5 | 3.9 | 4.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Sanford 2 Nnw (NOAA GHCN station USC00177479), about 34 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.