Boston, Massachusetts Climate Boston, Massachusetts Temperatures Boston, Massachusetts, Usa Weather Averages

⛺ Boston, Massachusetts has a humid subtropical climate that is mild with no dry season, constantly moist (year-round rainfall). Summers are hot and muggy with thunderstorms. Winters are mild with precipitation from mid-latitude cyclones. Seasonality is moderate. (Köppen-Geiger classification: Cfa). humid subtropical climate (Cfa)

⛳ Boston, Massachusetts is situated in or near the cool temperate moist forest biome.

🌡️ The mean annual temperature is 10.7 degrees Celsius (51.3 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.

🐬 Average monthly temperatures vary by 25 °C (45°F). This indicates that the continentality type is continental, subtype subcontinental.

☔ Total annual precipitation averages 1054.3 mm (41.5 inches) which is equivalent to 1054.3 Litres/m² (25.86 Gallons/ft²).

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In the winter time records indicate temperatures by day reach 3.3°C (37.9°F) on average falling to -4.6°C (23.8°F) overnight.

In spring time temperatures climb reaching 13.4°C (56.1°F) generally in the afternoon with overnight lows of 4.7°C (40.5°F).

During summer average high temperatures are 26.3°C (79.3°F) and average low temperatures are 17.1°C (62.8°F).

Come autumn/ fall temperatures decrease achieving average highs of 17°C (62.6°F) during the day and lows of 8.5°C (47.4°F) generally shortly after sunrise.

✨ The longest day of the year is 15:06 long on the 22 of June and the shortest day is 8:53 long on the 21 of December.

🌞 On average there are 2739 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.

🐇Were you to burrow down through the centre of the Earth from Boston, Massachusetts you would pop up nearest to the climate station at Albany, Western Australia, Australia where you would find a Mediterranean climate.

🌍Boston, Massachusetts, Usa is at 42°22'N, 71°1'W, 9 m (30 ft). Check the location on the map.

Boston, Massachusetts Climate Table

Average Max Temperature °C ( °F)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
2 (36)	3 (38)	8 (46)	13 (56)	19 (67)	25 (76)	28 (82)	27 (80)	23 (73)	17 (63)	11 (52)	5 (40)		15 (59)

Average Temperature °C ( °F)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
-2 (29)	-1 (30)	4 (39)	9 (48)	15 (58)	20 (68)	23 (74)	22 (72)	18 (65)	13 (55)	7 (45)	1 (34)		11 (51)

Average Min Temperature °C ( °F)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
-6 (22)	-5 (23)	0 (31)	5 (40)	10 (50)	15 (59)	18 (65)	18 (64)	14 (57)	8 (47)	4 (38)	-3 (27)		6 (44)

Average Precipitation mm (in)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
91 (4)	92 (4)	94 (4)	91 (4)	83 (3)	79 (3)	72 (3)	82 (3)	78 (3)	84 (3)	107 (4)	102 (4)		1054 (42)

Number of Wet Days (probability of rain on a day %)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
12 (39)	11 (39)	12 (39)	12 (40)	12 (39)	11 (37)	10 (32)	10 (32)	9 (30)	9 (29)	10 (33)	10 (32)		128 (35)

Average Sunlight Hours/ Day
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
4h 52'	6h 11'	6h 48'	7h 12'	8h 48'	10h 08'	10h 30'	9h 15'	8h 16'	7h 03'	5h 28'	5h 19'		7h 29'

Average Daylight Hours/ Day
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
9h 27'	10h 29'	11h 52'	13h 20'	14h 34'	15h 13'	14h 56'	13h 51'	12h 26'	10h 58'	9h 44'	9h 07'		12h 00'

Percentage of Sunny (Cloudy) Daylight Hours
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
52 (48)	60 (40)	58 (42)	55 (45)	61 (39)	67 (33)	71 (29)	68 (32)	67 (33)	65 (35)	57 (43)	59 (41)		62 (38)

Sun altitude at solar noon on the 21st day (°).
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
27.8	37.2	48	59.6	67.9	71.1	68	59.6	48.2	36.7	27.6	24.2		47.9

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Boston, Massachusetts Climate & Temperature ⛅

Boston, Massachusetts Climate Table

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