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Monthly climate in Swanton, Vermont, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Swanton features a humid continental climate (Dfb).Temperatures typically range between -7 °C (20 °F) and 22 °C (71 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1204 mm (47.4 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually.Swanton enjoys an average of 2766 hours of sunshine throughout the year, and daylight varies from 8 hours 48 minutes to 15 hours 33 minutes per day.

Monthly average temperatures in Swanton, Vermont, United States §

The warmest months in Swanton are June, July and August, with daily mean temperatures ranging from 18 to 22 °C (65 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -3 °C (20 - 26 °F) throughout the day. On average each year, Swanton experiences 46 days above 25 °C (77.0 °F) and 124 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Swanton, Vermont, 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 12°C
(55°F)		 14°C
(58°F)		 22°C
(71°F)		 23°C
(73°F)		 32°C
(91°F)		 32°C
(89°F)		 33°C
(91°F)		 32°C
(89°F)		 31°C
(88°F)		 25°C
(78°F)		 21°C
(70°F)		 15°C
(58°F)
Mean maximum 7°C
(44°F)		 8°C
(47°F)		 13°C
(57°F)		 20°C
(69°F)		 28°C
(83°F)		 29°C
(84°F)		 31°C
(88°F)		 30°C
(87°F)		 28°C
(82°F)		 23°C
(73°F)		 16°C
(61°F)		 11°C
(52°F)
Average high -3°C
(26°F)		 -2°C
(29°F)		 3°C
(37°F)		 10°C
(51°F)		 18°C
(64°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(78°F)		 21°C
(70°F)		 14°C
(58°F)		 5°C
(42°F)		 -0°C
(32°F)
Daily mean -7°C
(20°F)		 -6°C
(22°F)		 -1°C
(30°F)		 6°C
(43°F)		 13°C
(56°F)		 18°C
(65°F)		 22°C
(71°F)		 21°C
(70°F)		 16°C
(62°F)		 10°C
(51°F)		 2°C
(36°F)		 -3°C
(26°F)
Average low -10°C
(13°F)		 -10°C
(15°F)		 -5°C
(23°F)		 2°C
(36°F)		 8°C
(47°F)		 14°C
(57°F)		 17°C
(64°F)		 17°C
(63°F)		 12°C
(55°F)		 7°C
(45°F)		 -1°C
(30°F)		 -7°C
(20°F)
Mean minimum -22°C
(-8°F)		 -21°C
(-5°F)		 -17°C
(1°F)		 -5°C
(24°F)		 2°C
(35°F)		 8°C
(47°F)		 12°C
(54°F)		 11°C
(51°F)		 5°C
(41°F)		 -1°C
(31°F)		 -12°C
(11°F)		 -19°C
(-2°F)
Minimum -28°C
(-18°F)		 -23°C
(-9°F)		 -20°C
(-4°F)		 -7°C
(19°F)		 0°C
(32°F)		 3°C
(38°F)		 11°C
(52°F)		 8°C
(47°F)		 1°C
(35°F)		 -4°C
(25°F)		 -15°C
(5°F)		 -26°C
(-14°F)

Compare climate in Swanton with other places

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

Monthly average precipitation in Swanton, Vermont, United States §

Swanton usually has the most precipitation in April, October and November, with an average of 15 rainy days and 127 mm (5.0 inches) of precipitation per month.The driest months in Swanton are March, September and December. On average, 80 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Swanton, Vermont, 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) 87 (3.4) 83 (3.3) 83 (3.3) 112 (4.4) 94 (3.7) 104 (4.1) 111 (4.4) 105 (4.1) 76 (3.0) 148 (5.8) 123 (4.8) 81 (3.2)
Average precipitation days (≥ 1 mm) 12 14 13 15 12 12 15 13 10 16 16 14

Monthly sunshine hours in Swanton, Vermont, United States §

The sunniest months in Swanton are June, July and August, when the sun shines an average of 10 hours 49 minutes a day.Least sunny months in Swanton: January, November and December receive an average of 4 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Swanton, Vermont, 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 115 153 230 219 282 323 338 333 287 193 144 142
Mean daily daylight hours 9h 11m 10h 24m 11h 57m 13h 32m 14h 52m 15h 33m 15h 11m 13h 59m 12h 28m 10h 53m 9h 30m 8h 48m

Solar UV radiation in Swanton, Vermont, United States §

Swanton experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Swanton UV Index data.

Average daily maximum UV levels by month for Swanton, Vermont, 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) 2 4 5 7 9 9 8 8 7 5 3 2