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Monthly climate in Boston, Georgia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Boston features a humid subtropical climate (Cfa).Temperatures typically range between 12 °C (54 °F) and 27 °C (82 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 1165 mm (45.9 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually.Boston enjoys an average of 3220 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Boston, Georgia, United States §

The warmest months in Boston are June, July and August, with daily mean temperatures ranging from 27 to 27 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 15 °C (54 - 60 °F) throughout the day. On average each year, Boston experiences 207 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Boston, Georgia, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 27°C
(82°F)		 30°C
(85°F)		 33°C
(92°F)		 34°C
(93°F)		 39°C
(102°F)		 38°C
(100°F)		 37°C
(99°F)		 37°C
(99°F)		 38°C
(101°F)		 36°C
(97°F)		 31°C
(87°F)		 27°C
(81°F)
Mean maximum 26°C
(79°F)		 28°C
(83°F)		 30°C
(87°F)		 32°C
(90°F)		 35°C
(95°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(97°F)		 34°C
(93°F)		 29°C
(85°F)		 26°C
(78°F)
Average high 18°C
(65°F)		 21°C
(71°F)		 24°C
(76°F)		 27°C
(81°F)		 31°C
(88°F)		 32°C
(90°F)		 33°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 29°C
(85°F)		 22°C
(72°F)		 19°C
(67°F)
Daily mean 12°C
(54°F)		 15°C
(60°F)		 17°C
(64°F)		 20°C
(69°F)		 25°C
(76°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(82°F)		 26°C
(80°F)		 23°C
(74°F)		 16°C
(61°F)		 13°C
(56°F)
Average low 7°C
(44°F)		 10°C
(50°F)		 11°C
(53°F)		 14°C
(57°F)		 19°C
(66°F)		 22°C
(73°F)		 23°C
(74°F)		 23°C
(75°F)		 22°C
(72°F)		 18°C
(65°F)		 10°C
(51°F)		 8°C
(47°F)
Mean minimum -3°C
(26°F)		 -1°C
(31°F)		 0°C
(33°F)		 5°C
(41°F)		 12°C
(54°F)		 18°C
(65°F)		 21°C
(71°F)		 21°C
(70°F)		 17°C
(63°F)		 8°C
(47°F)		 2°C
(36°F)		 -2°C
(29°F)
Minimum -6°C
(21°F)		 -3°C
(27°F)		 -1°C
(30°F)		 2°C
(36°F)		 9°C
(49°F)		 16°C
(61°F)		 20°C
(69°F)		 19°C
(66°F)		 14°C
(57°F)		 5°C
(41°F)		 -1°C
(31°F)		 -4°C
(25°F)

Compare climate in Boston with other places

Compare temperature, precipitation, sunshine, UV index in Boston, Georgia, United States with other places around the world.

Monthly average precipitation in Boston, Georgia, United States §

Boston usually has the most precipitation in June, July and August, with an average of 19 rainy days and 147 mm (5.8 inches) of precipitation per month.The driest months in Boston are January, March and November. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Boston, Georgia, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 72 (2.8) 96 (3.8) 52 (2.1) 80 (3.1) 74 (2.9) 157 (6.2) 148 (5.8) 137 (5.4) 110 (4.3) 73 (2.9) 50 (2.0) 117 (4.6)
Average precipitation days (≥ 1 mm) 6 8 5 8 8 17 20 21 13 8 7 9

Monthly sunshine hours in Boston, Georgia, United States §

The sunniest months in Boston are May, July and August, when the sun shines an average of 10 hours 3 minutes a day.Least sunny months in Boston: January, February and December receive an average of 6 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Boston, Georgia, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 188 200 281 290 319 291 316 299 291 285 244 212
Mean daily daylight hours 10h 23m 11h 5m 12h 0m 12h 56m 13h 42m 14h 5m 13h 53m 13h 11m 12h 18m 11h 22m 10h 34m 10h 10m

Solar UV radiation in Boston, Georgia, United States §

Boston experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Boston UV Index data.

Average daily maximum UV levels by month for Boston, Georgia, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 5 8 9 10 11 11 11 11 10 8 6 4