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Monthly climate in Chestertown, New York, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Chestertown features a humid continental climate (Dfb).Temperatures typically range between -7 °C (20 °F) and 21 °C (71 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 1222 mm (48.1 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually.Chestertown enjoys an average of 2762 hours of sunshine throughout the year, and daylight varies from 8 hours 58 minutes to 15 hours 22 minutes per day.

Monthly average temperatures in Chestertown, New York, United States §

The warmest months in Chestertown are June, July and August, with daily mean temperatures ranging from 18 to 21 °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, Chestertown experiences 47 days above 25 °C (77.0 °F) and 134 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chestertown, New York, 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
(54°F)		 18°C
(65°F)		 19°C
(67°F)		 25°C
(77°F)		 31°C
(89°F)		 33°C
(91°F)		 36°C
(96°F)		 32°C
(91°F)		 32°C
(89°F)		 25°C
(78°F)		 22°C
(72°F)		 14°C
(58°F)
Mean maximum 7°C
(45°F)		 11°C
(52°F)		 15°C
(60°F)		 20°C
(69°F)		 29°C
(85°F)		 30°C
(87°F)		 32°C
(89°F)		 30°C
(86°F)		 28°C
(83°F)		 23°C
(74°F)		 17°C
(63°F)		 11°C
(52°F)
Average high -2°C
(28°F)		 -1°C
(31°F)		 3°C
(39°F)		 11°C
(51°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(80°F)		 25°C
(77°F)		 21°C
(71°F)		 14°C
(58°F)		 5°C
(42°F)		 -0°C
(32°F)
Daily mean -7°C
(20°F)		 -5°C
(23°F)		 -1°C
(30°F)		 6°C
(43°F)		 13°C
(56°F)		 18°C
(65°F)		 21°C
(71°F)		 20°C
(68°F)		 16°C
(61°F)		 10°C
(50°F)		 2°C
(35°F)		 -3°C
(26°F)
Average low -11°C
(12°F)		 -10°C
(15°F)		 -6°C
(22°F)		 2°C
(35°F)		 8°C
(46°F)		 13°C
(55°F)		 16°C
(62°F)		 15°C
(60°F)		 11°C
(53°F)		 6°C
(43°F)		 -2°C
(28°F)		 -7°C
(19°F)
Mean minimum -24°C
(-11°F)		 -21°C
(-6°F)		 -18°C
(-0°F)		 -6°C
(22°F)		 1°C
(34°F)		 8°C
(47°F)		 11°C
(52°F)		 9°C
(49°F)		 3°C
(38°F)		 -2°C
(29°F)		 -13°C
(9°F)		 -21°C
(-5°F)
Minimum -29°C
(-20°F)		 -24°C
(-12°F)		 -21°C
(-5°F)		 -8°C
(18°F)		 -1°C
(30°F)		 4°C
(40°F)		 9°C
(49°F)		 7°C
(45°F)		 -0°C
(32°F)		 -4°C
(25°F)		 -20°C
(-3°F)		 -27°C
(-15°F)

Compare climate in Chestertown with other places

Compare temperature, precipitation, sunshine, UV index in Chestertown, New York, United States with other places around the world.

Monthly average precipitation in Chestertown, New York, United States §

Chestertown usually has the most precipitation in April, July and October, with an average of 13 rainy days and 135 mm (5.3 inches) of precipitation per month.The driest months in Chestertown are January, March and September. On average, 75 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chestertown, New York, 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) 80 (3.2) 82 (3.2) 68 (2.7) 124 (4.9) 99 (3.9) 105 (4.1) 132 (5.2) 111 (4.4) 76 (3.0) 149 (5.9) 104 (4.1) 92 (3.6)
Average precipitation days (≥ 1 mm) 9 12 9 12 13 13 14 13 8 13 13 10

Monthly sunshine hours in Chestertown, New York, United States §

The sunniest months in Chestertown are June, July and August, when the sun shines an average of 10 hours 47 minutes a day.Least sunny months in Chestertown: January, February 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 Chestertown, New York, 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 113 151 225 224 269 324 336 331 291 203 156 132
Mean daily daylight hours 9h 20m 10h 29m 11h 58m 13h 27m 14h 44m 15h 22m 15h 1m 13h 53m 12h 26m 10h 57m 9h 38m 8h 58m

Solar UV radiation in Chestertown, New York, United States §

Chestertown experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, 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 Chestertown UV Index data.

Average daily maximum UV levels by month for Chestertown, New York, 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) 3 4 5 8 9 10 9 9 7 5 3 2