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Monthly climate in Rockport, Indiana, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Rockport features a humid subtropical climate (Cfa). Temperatures typically range between 2 °C (36 °F) and 27 °C (80 °F) through the year, but rarely can drop to -17 °C (1 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1320 mm (52.0 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually. Rockport enjoys an average of 2978 hours of sunshine throughout the year, and daylight varies from 9 hours 33 minutes to 14 hours 44 minutes per day.

Monthly average temperatures in Rockport, Indiana, United States §

The warmest months in Rockport 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 2 to 5 °C (36 - 42 °F) throughout the day. On average each year, Rockport experiences 127 days above 25 °C (77.0 °F) and 61 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rockport, 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)		 26°C
(78°F)		 27°C
(80°F)		 30°C
(85°F)		 33°C
(92°F)		 35°C
(96°F)		 37°C
(99°F)		 35°C
(95°F)		 35°C
(95°F)		 35°C
(96°F)		 27°C
(81°F)		 23°C
(73°F)
Mean maximum 18°C
(65°F)		 21°C
(70°F)		 24°C
(75°F)		 29°C
(84°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(92°F)		 31°C
(88°F)		 22°C
(73°F)		 20°C
(68°F)
Average high 6°C
(43°F)		 9°C
(49°F)		 15°C
(58°F)		 19°C
(67°F)		 25°C
(78°F)		 29°C
(85°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(83°F)		 22°C
(72°F)		 13°C
(55°F)		 10°C
(50°F)
Daily mean 2°C
(36°F)		 4°C
(40°F)		 9°C
(49°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
(62°F)		 8°C
(46°F)		 5°C
(42°F)
Average low -2°C
(29°F)		 -0°C
(32°F)		 4°C
(40°F)		 9°C
(48°F)		 16°C
(61°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(69°F)		 18°C
(64°F)		 11°C
(52°F)		 3°C
(37°F)		 1°C
(34°F)
Mean minimum -13°C
(9°F)		 -12°C
(11°F)		 -6°C
(21°F)		 -1°C
(30°F)		 6°C
(43°F)		 15°C
(58°F)		 17°C
(63°F)		 15°C
(60°F)		 9°C
(49°F)		 2°C
(36°F)		 -6°C
(21°F)		 -8°C
(17°F)
Minimum -17°C
(1°F)		 -16°C
(4°F)		 -11°C
(12°F)		 -3°C
(26°F)		 3°C
(37°F)		 11°C
(51°F)		 16°C
(61°F)		 14°C
(57°F)		 9°C
(48°F)		 -0°C
(31°F)		 -12°C
(11°F)		 -14°C
(7°F)

Compare climate in Rockport with other places

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

Monthly average precipitation in Rockport, Indiana, United States §

Rockport usually has the most precipitation in February, March and May, with an average of 13 rainy days and 134 mm (5.3 inches) of precipitation per month. The driest months in Rockport are July, August and September. On average, 86 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rockport, 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) 93 (3.6) 129 (5.1) 137 (5.4) 125 (4.9) 135 (5.3) 121 (4.8) 84 (3.3) 84 (3.3) 89 (3.5) 121 (4.8) 94 (3.7) 107 (4.2)
Average precipitation days (≥ 1 mm) 9 13 12 11 14 11 9 9 8 10 9 10

Monthly sunshine hours in Rockport, Indiana, United States §

The sunniest months in Rockport are June, July and August, when the sun shines an average of 10 hours 58 minutes a day. Least sunny months in Rockport: January, February and December receive an average of 5 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rockport, 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 130 158 212 252 284 332 352 324 292 247 207 182
Mean daily daylight hours 9h 51m 10h 47m 11h 58m 13h 12m 14h 13m 14h 44m 14h 27m 13h 32m 12h 22m 11h 9m 10h 6m 9h 33m

Solar UV radiation in Rockport, Indiana, United States §

Rockport 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 Rockport UV Index data.

Average daily maximum UV levels by month for Rockport, 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

Detailed Monthly Weather Insights for Rockport, Indiana, United States

Discover in-depth weather details for every month in Rockport. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Rockport's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.