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Monthly climate in Rockport, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rockport features a humid subtropical climate (Cfa).Temperatures typically range between 15 °C (59 °F) and 29 °C (84 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1087 mm (42.8 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.Rockport enjoys an average of 3262 hours of sunshine throughout the year, and daylight varies from 10 hours 22 minutes to 13 hours 52 minutes per day.

Monthly average temperatures in Rockport, Texas, United States §

The warmest months in Rockport are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (82 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 17 °C (59 - 62 °F) throughout the day. On average each year, Rockport experiences 168 days above 25 °C (77.0 °F) and 1 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, Texas, 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 26°C
(79°F)		 26°C
(79°F)		 28°C
(83°F)		 32°C
(90°F)		 31°C
(87°F)		 34°C
(94°F)		 34°C
(93°F)		 33°C
(91°F)		 32°C
(90°F)		 31°C
(88°F)		 27°C
(82°F)		 25°C
(77°F)
Mean maximum 23°C
(74°F)		 23°C
(73°F)		 26°C
(79°F)		 29°C
(85°F)		 29°C
(85°F)		 31°C
(89°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(88°F)		 30°C
(87°F)		 27°C
(80°F)		 24°C
(75°F)
Average high 18°C
(64°F)		 18°C
(65°F)		 21°C
(71°F)		 24°C
(76°F)		 27°C
(81°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 29°C
(85°F)		 27°C
(80°F)		 22°C
(72°F)		 19°C
(67°F)
Daily mean 15°C
(59°F)		 16°C
(60°F)		 19°C
(67°F)		 22°C
(72°F)		 26°C
(78°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 28°C
(82°F)		 24°C
(76°F)		 20°C
(68°F)		 17°C
(62°F)
Average low 12°C
(54°F)		 13°C
(56°F)		 17°C
(64°F)		 20°C
(69°F)		 24°C
(75°F)		 26°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(79°F)		 22°C
(72°F)		 17°C
(63°F)		 14°C
(57°F)
Mean minimum 3°C
(38°F)		 3°C
(38°F)		 10°C
(50°F)		 13°C
(56°F)		 20°C
(68°F)		 25°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 22°C
(71°F)		 12°C
(54°F)		 8°C
(47°F)		 6°C
(44°F)
Minimum -2°C
(29°F)		 -6°C
(22°F)		 2°C
(36°F)		 10°C
(50°F)		 17°C
(64°F)		 23°C
(73°F)		 24°C
(76°F)		 23°C
(74°F)		 18°C
(65°F)		 10°C
(50°F)		 3°C
(38°F)		 3°C
(37°F)

Compare climate in Rockport with other places

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

Monthly average precipitation in Rockport, Texas, United States §

Rockport usually has the most precipitation in May, June and September, with an average of 14 rainy days and 156 mm (6.1 inches) of precipitation per month.The driest months in Rockport are January, February and April. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rockport, Texas, 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) 49 (1.9) 46 (1.8) 55 (2.2) 52 (2.1) 145 (5.7) 148 (5.8) 118 (4.7) 89 (3.5) 176 (6.9) 96 (3.8) 59 (2.3) 55 (2.1)
Average precipitation days (≥ 1 mm) 6 9 8 7 12 13 9 12 17 12 8 6

Monthly sunshine hours in Rockport, Texas, United States §

The sunniest months in Rockport are June, July and August, when the sun shines an average of 10 hours 47 minutes a day.Least sunny months in Rockport: January, February and December receive an average of 6 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rockport, Texas, 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 178 187 251 277 317 331 331 329 288 287 248 234
Mean daily daylight hours 10h 34m 11h 12m 12h 0m 12h 50m 13h 32m 13h 52m 13h 41m 13h 4m 12h 16m 11h 27m 10h 44m 10h 22m

Solar UV radiation in Rockport, Texas, United States §

Rockport experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Rockport UV Index data.

Average daily maximum UV levels by month for Rockport, Texas, 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) 5 8 9 11 11 12 12 12 11 9 7 5