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Population Review

Climate normals · 1970–2000

Dorchester Climate

Dorchester is a city in United States (MA) with a population of about 97,826. Its average annual temperature is 10.3°C (51°F), with roughly 1137 mm of rain per year.

10.3°C

Avg Temp

1137

Precip (mm/yr)

Jul

Hottest Month

Jan

Coldest Month


Dorchester Climate

Dorchester has an average annual temperature of 10.3°C (51°F) and receives about 1137 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.

10.3°C

Avg Temp

1137

Precip (mm/yr)

Jul

Hottest Month

Jan

Coldest Month

-10°0°10°20°30°106mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Dorchester — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January-2° / 28°102 mm
February-1° / 30°88 mm
March3° / 38°104 mm
April9° / 47°96 mm
May14° / 58°86 mm
June20° / 67°87 mm
July23° / 73°83 mm
August22° / 72°94 mm
September18° / 64°92 mm
October12° / 53°97 mm
November6° / 44°106 mm
December1° / 33°102 mm

1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.

Best time to visit Dorchester

The most comfortable months to visit Dorchester are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -7°C low). November is usually the wettest month.

AugustJuneJuly

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Frequently Asked Questions

The most comfortable months to visit Dorchester are typically August, June and July, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).

Dorchester, United States has an average annual temperature of 10.3°C and about 1137 mm of precipitation per year. The warmest month is July and the coldest is January.

In July, the hottest month, daily highs in Dorchester average about 29°C (84°F).

Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.