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Monthly climate in Califon, New Jersey, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Califon features a humid subtropical climate (Cfa).Temperatures typically range between 0 °C (32 °F) and 25 °C (77 °F) through the year, but rarely can drop to -18 °C (-1 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1323 mm (52.1 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually.Califon enjoys an average of 2877 hours of sunshine throughout the year, and daylight varies from 9 hours 16 minutes to 15 hours 2 minutes per day.

Monthly average temperatures in Califon, New Jersey, United States §

The warmest months in Califon are June, July and August, with daily mean temperatures ranging from 21 to 25 °C (71 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 2 °C (32 - 36 °F) throughout the day. On average each year, Califon experiences 85 days above 25 °C (77.0 °F) and 86 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Califon, New Jersey, 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 18°C
(65°F)		 25°C
(78°F)		 26°C
(80°F)		 29°C
(85°F)		 33°C
(92°F)		 35°C
(95°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(92°F)		 24°C
(76°F)		 18°C
(64°F)
Mean maximum 14°C
(58°F)		 19°C
(66°F)		 22°C
(71°F)		 26°C
(80°F)		 31°C
(88°F)		 33°C
(92°F)		 35°C
(96°F)		 34°C
(93°F)		 32°C
(90°F)		 28°C
(82°F)		 22°C
(72°F)		 16°C
(61°F)
Average high 4°C
(39°F)		 6°C
(43°F)		 10°C
(49°F)		 16°C
(60°F)		 21°C
(70°F)		 26°C
(80°F)		 30°C
(86°F)		 28°C
(83°F)		 25°C
(77°F)		 19°C
(66°F)		 11°C
(52°F)		 6°C
(43°F)
Daily mean 0°C
(32°F)		 2°C
(35°F)		 5°C
(41°F)		 11°C
(51°F)		 16°C
(61°F)		 21°C
(71°F)		 25°C
(77°F)		 23°C
(74°F)		 20°C
(68°F)		 14°C
(58°F)		 6°C
(44°F)		 2°C
(36°F)
Average low -3°C
(26°F)		 -2°C
(28°F)		 0°C
(33°F)		 6°C
(43°F)		 11°C
(53°F)		 16°C
(61°F)		 20°C
(68°F)		 19°C
(67°F)		 16°C
(60°F)		 10°C
(51°F)		 2°C
(35°F)		 -1°C
(30°F)
Mean minimum -14°C
(8°F)		 -13°C
(8°F)		 -9°C
(16°F)		 -1°C
(30°F)		 4°C
(39°F)		 11°C
(52°F)		 15°C
(59°F)		 13°C
(57°F)		 8°C
(47°F)		 2°C
(36°F)		 -7°C
(20°F)		 -10°C
(14°F)
Minimum -17°C
(1°F)		 -18°C
(-1°F)		 -17°C
(1°F)		 -3°C
(27°F)		 0°C
(32°F)		 8°C
(46°F)		 12°C
(54°F)		 12°C
(55°F)		 5°C
(41°F)		 -0°C
(32°F)		 -13°C
(9°F)		 -13°C
(9°F)

Compare climate in Califon with other places

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

Monthly average precipitation in Califon, New Jersey, United States §

Califon usually has the most precipitation in July, August and October, with an average of 12 rainy days and 135 mm (5.3 inches) of precipitation per month.The driest months in Califon are January, September and November. On average, 87 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Califon, New Jersey, 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) 103 (4.1) 102 (4.0) 109 (4.3) 133 (5.3) 102 (4.0) 134 (5.3) 138 (5.4) 102 (4.0) 134 (5.3) 87 (3.4) 109 (4.3)
Average precipitation days (≥ 1 mm) 8 12 11 12 13 12 13 14 10 10 8 11

Monthly sunshine hours in Califon, New Jersey, United States §

The sunniest months in Califon are June, July and August, when the sun shines an average of 10 hours 17 minutes a day.Least sunny months in Califon: January, February and December receive an average of 5 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Califon, New Jersey, 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 141 175 243 238 268 306 337 303 266 215 206 172
Mean daily daylight hours 9h 36m 10h 38m 11h 58m 13h 19m 14h 28m 15h 2m 14h 44m 13h 42m 12h 24m 11h 3m 9h 52m 9h 16m

Solar UV radiation in Califon, New Jersey, United States §

Califon 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 Califon UV Index data.

Average daily maximum UV levels by month for Califon, New Jersey, 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 8 10 10 10 9 8 6 4 2