nomadseason

Monthly climate in Princeton, Indiana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Princeton features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (35 °F) and 27 °C (80 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1274 mm (50.2 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually.Princeton enjoys an average of 2946 hours of sunshine throughout the year, and daylight varies from 9 hours 32 minutes to 14 hours 45 minutes per day.

Monthly average temperatures in Princeton, Indiana, United States §

The warmest months in Princeton are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 5 °C (35 - 41 °F) throughout the day. On average each year, Princeton experiences 124 days above 25 °C (77.0 °F) and 65 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Princeton, Indiana, 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 20°C
(69°F)		 24°C
(76°F)		 26°C
(79°F)		 30°C
(85°F)		 33°C
(92°F)		 35°C
(96°F)		 37°C
(98°F)		 36°C
(97°F)		 34°C
(94°F)		 35°C
(95°F)		 27°C
(80°F)		 22°C
(72°F)
Mean maximum 18°C
(64°F)		 20°C
(69°F)		 23°C
(74°F)		 28°C
(83°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(92°F)		 31°C
(89°F)		 22°C
(72°F)		 19°C
(67°F)
Average high 5°C
(42°F)		 8°C
(47°F)		 14°C
(57°F)		 19°C
(66°F)		 25°C
(77°F)		 30°C
(85°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(83°F)		 21°C
(71°F)		 12°C
(54°F)		 9°C
(49°F)
Daily mean 1°C
(35°F)		 3°C
(38°F)		 9°C
(48°F)		 14°C
(57°F)		 20°C
(69°F)		 25°C
(77°F)		 27°C
(80°F)		 25°C
(78°F)		 23°C
(73°F)		 16°C
(61°F)		 7°C
(45°F)		 5°C
(41°F)
Average low -2°C
(28°F)		 -1°C
(30°F)		 4°C
(39°F)		 8°C
(47°F)		 15°C
(60°F)		 20°C
(68°F)		 22°C
(72°F)		 20°C
(69°F)		 17°C
(64°F)		 11°C
(52°F)		 2°C
(36°F)		 0°C
(33°F)
Mean minimum -14°C
(7°F)		 -13°C
(8°F)		 -7°C
(20°F)		 -1°C
(30°F)		 5°C
(42°F)		 15°C
(58°F)		 17°C
(63°F)		 15°C
(59°F)		 9°C
(48°F)		 2°C
(35°F)		 -6°C
(21°F)		 -9°C
(16°F)
Minimum -19°C
(-2°F)		 -16°C
(4°F)		 -13°C
(9°F)		 -3°C
(26°F)		 2°C
(36°F)		 10°C
(51°F)		 16°C
(60°F)		 13°C
(57°F)		 8°C
(47°F)		 -1°C
(30°F)		 -11°C
(12°F)		 -16°C
(4°F)

Compare climate in Princeton with other places

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

Monthly average precipitation in Princeton, Indiana, United States §

Princeton usually has the most precipitation in March, May and June, with an average of 12 rainy days and 133 mm (5.3 inches) of precipitation per month.The driest months in Princeton are July, August and September. On average, 79 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Princeton, Indiana, 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) 95 (3.7) 119 (4.7) 146 (5.7) 118 (4.6) 131 (5.2) 124 (4.9) 73 (2.9) 87 (3.4) 77 (3.0) 111 (4.4) 92 (3.6) 102 (4.0)
Average precipitation days (≥ 1 mm) 8 12 12 10 14 11 9 9 7 10 9 10

Monthly sunshine hours in Princeton, Indiana, United States §

The sunniest months in Princeton are June, July and August, when the sun shines an average of 10 hours 54 minutes a day.Least sunny months in Princeton: 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 Princeton, Indiana, 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 123 159 209 251 278 327 354 320 291 243 203 182
Mean daily daylight hours 9h 50m 10h 46m 11h 58m 13h 13m 14h 15m 14h 45m 14h 29m 13h 33m 12h 22m 11h 9m 10h 4m 9h 32m

Solar UV radiation in Princeton, Indiana, United States §

Princeton experiences the highest level of ultraviolet (UV) radiation in April, May and June, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the 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 Princeton UV Index data.

Average daily maximum UV levels by month for Princeton, Indiana, 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 7 10 10 11 10 9 9 7 4 3