climigo

When to go?

The best months are July–September. Avoid December–March (freezing).

Climate zones

MassachusettsNew HampshireCanadaPortlandPortlandPortlandBangorBangorBangorAugustaAugustaAugustaLewistonLewistonLewistonBar HarborBar HarborAcadia National ParkAcadia National Park

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January −4°−14° snow likely
February −2°−13° snow likely
March 3°−8° snow likely
April 10°−2°
May 18°5°
June 23°11°
July 26°14°
August 25°13°
September 21°9°
October 13°3°
November 6°−3°
December 0°−10° snow likely

Monthly min and max temperature (°C)

−20°−15°−10°−5°0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec−14.4 · −3.6 °CJanuary: −14.4 · −3.6 °C−13.0 · −1.7 °CFebruary: −13.0 · −1.7 °C−8.0 · 3.3 °CMarch: −8.0 · 3.3 °C−1.5 · 10.1 °CApril: −1.5 · 10.1 °C5.4 · 17.8 °CMay: 5.4 · 17.8 °C10.7 · 22.7 °CJune: 10.7 · 22.7 °C13.7 · 25.8 °CJuly: 13.7 · 25.8 °C12.5 · 24.9 °CAugust: 12.5 · 24.9 °C8.7 · 20.8 °CSeptember: 8.7 · 20.8 °C2.8 · 13.2 °COctober: 2.8 · 13.2 °C−3.1 · 5.8 °CNovember: −3.1 · 5.8 °C−9.8 · −0.3 °CDecember: −9.8 · −0.3 °C

Monthly min and max temperature (°C)

Jan −14.4 – −3.6 °C
Feb −13.0 – −1.7 °C
Mar −8.0 – 3.3 °C
Apr −1.5 – 10.1 °C
May 5.4 – 17.8 °C
Jun 10.7 – 22.7 °C
Jul 13.7 – 25.8 °C
Aug 12.5 – 24.9 °C
Sep 8.7 – 20.8 °C
Oct 2.8 – 13.2 °C
Nov −3.1 – 5.8 °C
Dec −9.8 – −0.3 °C

How much it rains

January 83 mm9 d
February 77 mm8 d
March 92 mm9 d
April 98 mm10 d
May 94 mm11 d
June 107 mm11 d
July 107 mm10 d
August 95 mm9 d
September 97 mm8 d
October 118 mm9 d
November 95 mm9 d
December 114 mm10 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec83 mm · 9 rain days · 9 mm a dayJanuary: 83 mm · 9 rain days · 9 mm a day77 mm · 8 rain days · 10 mm a dayFebruary: 77 mm · 8 rain days · 10 mm a day92 mm · 9 rain days · 10 mm a dayMarch: 92 mm · 9 rain days · 10 mm a day98 mm · 10 rain days · 10 mm a dayApril: 98 mm · 10 rain days · 10 mm a day94 mm · 11 rain days · 9 mm a dayMay: 94 mm · 11 rain days · 9 mm a day107 mm · 11 rain days · 10 mm a dayJune: 107 mm · 11 rain days · 10 mm a day107 mm · 10 rain days · 11 mm a dayJuly: 107 mm · 10 rain days · 11 mm a day95 mm · 9 rain days · 11 mm a dayAugust: 95 mm · 9 rain days · 11 mm a day97 mm · 8 rain days · 12 mm a daySeptember: 97 mm · 8 rain days · 12 mm a day118 mm · 9 rain days · 13 mm a dayOctober: 118 mm · 9 rain days · 13 mm a day95 mm · 9 rain days · 11 mm a dayNovember: 95 mm · 9 rain days · 11 mm a day114 mm · 10 rain days · 11 mm a dayDecember: 114 mm · 10 rain days · 11 mm a day

Rain days and how much water

Jan 83 mm9 d
Feb 77 mm8 d
Mar 92 mm9 d
Apr 98 mm10 d
May 94 mm11 d
Jun 107 mm11 d
Jul 107 mm10 d
Aug 95 mm9 d
Sep 97 mm8 d
Oct 118 mm9 d
Nov 95 mm9 d
Dec 114 mm10 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 9 h 08
February 10 h 25
March 11 h 52
April 13 h 30
May 14 h 52
June 15 h 37
July 15 h 18
August 14 h 07
September 12 h 34
October 11 h 00
November 9 h 33
December 8 h 46

Mean daylight hours over the whole territory.

Snow on the ground

January 35 cm
February 48 cm
March 48 cm
April 25 cm
May 1 cm
June –
July –
August –
September –
October –
November 4 cm
December 17 cm

Mean snow depth on the ground (cm)

02550 cmJanFebMarAprMayJunJulAugSepOctNovDec35 cmJanuary: 35 cm48 cmFebruary: 48 cm48 cmMarch: 48 cm25 cmApril: 25 cm1 cmMay: 1 cm0 cmJune: 0 cm0 cmJuly: 0 cm0 cmAugust: 0 cm0 cmSeptember: 0 cm0 cmOctober: 0 cm4 cmNovember: 4 cm17 cmDecember: 17 cm

Mean snow depth on the ground (cm)

Jan 35 cm
Feb 48 cm
Mar 48 cm
Apr 25 cm
May 1 cm
Jun 0 cm
Jul 0 cm
Aug 0 cm
Sep 0 cm
Oct 0 cm
Nov 4 cm
Dec 17 cm

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Tourist areas

Cities