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Monthly climate in Port Jervis, New York, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Port Jervis features a humid continental climate (Dfb).Temperatures typically range between -2 °C (29 °F) and 23 °C (74 °F) through the year, but rarely can drop to -24 °C (-10 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1259 mm (49.6 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually.Port Jervis enjoys an average of 2853 hours of sunshine throughout the year, and daylight varies from 9 hours 13 minutes to 15 hours 6 minutes per day.

Monthly average temperatures in Port Jervis, New York, United States §

The warmest months in Port Jervis are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (68 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (29 - 33 °F) throughout the day. On average each year, Port Jervis experiences 68 days above 25 °C (77.0 °F) and 100 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Port Jervis, 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 17°C
(62°F)		 23°C
(74°F)		 24°C
(75°F)		 28°C
(83°F)		 32°C
(90°F)		 33°C
(92°F)		 35°C
(95°F)		 33°C
(92°F)		 32°C
(89°F)		 30°C
(86°F)		 24°C
(75°F)		 16°C
(61°F)
Mean maximum 13°C
(55°F)		 17°C
(62°F)		 20°C
(68°F)		 25°C
(77°F)		 30°C
(86°F)		 32°C
(89°F)		 34°C
(93°F)		 32°C
(89°F)		 30°C
(87°F)		 26°C
(80°F)		 21°C
(69°F)		 14°C
(58°F)
Average high 2°C
(36°F)		 4°C
(40°F)		 8°C
(46°F)		 14°C
(57°F)		 20°C
(68°F)		 25°C
(77°F)		 28°C
(82°F)		 27°C
(80°F)		 23°C
(74°F)		 17°C
(64°F)		 9°C
(49°F)		 4°C
(40°F)
Daily mean -2°C
(29°F)		 -0°C
(32°F)		 3°C
(37°F)		 9°C
(48°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 22°C
(72°F)		 18°C
(65°F)		 13°C
(55°F)		 5°C
(41°F)		 1°C
(33°F)
Average low -5°C
(22°F)		 -4°C
(24°F)		 -2°C
(29°F)		 4°C
(40°F)		 10°C
(50°F)		 15°C
(59°F)		 18°C
(65°F)		 18°C
(64°F)		 14°C
(57°F)		 9°C
(48°F)		 1°C
(33°F)		 -3°C
(27°F)
Mean minimum -16°C
(3°F)		 -17°C
(3°F)		 -12°C
(11°F)		 -2°C
(28°F)		 2°C
(36°F)		 10°C
(50°F)		 13°C
(56°F)		 11°C
(53°F)		 6°C
(44°F)		 1°C
(34°F)		 -8°C
(18°F)		 -12°C
(10°F)
Minimum -24°C
(-10°F)		 -23°C
(-8°F)		 -17°C
(1°F)		 -5°C
(23°F)		 -1°C
(30°F)		 6°C
(43°F)		 11°C
(53°F)		 10°C
(50°F)		 3°C
(38°F)		 -0°C
(32°F)		 -14°C
(6°F)		 -15°C
(5°F)

Compare climate in Port Jervis with other places

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

Monthly average precipitation in Port Jervis, New York, United States §

Port Jervis usually has the most precipitation in May, August and October, with an average of 12 rainy days and 130 mm (5.1 inches) of precipitation per month.The driest months in Port Jervis are January, March and November. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Jervis, 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) 71 (2.8) 98 (3.9) 91 (3.6) 111 (4.4) 125 (4.9) 100 (3.9) 113 (4.5) 121 (4.8) 100 (3.9) 144 (5.7) 88 (3.5) 98 (3.8)
Average precipitation days (≥ 1 mm) 9 12 10 14 14 11 13 12 9 11 10 11

Monthly sunshine hours in Port Jervis, New York, United States §

The sunniest months in Port Jervis are June, July and August, when the sun shines an average of 10 hours 27 minutes a day.Least sunny months in Port Jervis: January, February and December receive an average of 5 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Jervis, 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 135 172 238 235 267 314 335 312 273 217 191 158
Mean daily daylight hours 9h 33m 10h 37m 11h 58m 13h 21m 14h 31m 15h 6m 14h 47m 13h 44m 12h 25m 11h 2m 9h 50m 9h 13m

Solar UV radiation in Port Jervis, New York, United States §

Port Jervis experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 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 4. For more detailed information, check out our hourly Port Jervis UV Index data.

Average daily maximum UV levels by month for Port Jervis, 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 5 6 9 10 10 10 9 8 6 4 2