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Monthly climate in Rockdale, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rockdale features a humid subtropical climate (Cfa).Temperatures typically range between 11 °C (52 °F) and 31 °C (87 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 43 °C (109 °F).The average annual precipitation amounts to about 1105 mm (43.5 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually.Rockdale enjoys an average of 3065 hours of sunshine throughout the year, and daylight varies from 10 hours 11 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Rockdale, Texas, United States §

The warmest months in Rockdale are June, July and August, with daily mean temperatures ranging from 28 to 31 °C (83 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 13 °C (52 - 55 °F) throughout the day. On average each year, Rockdale experiences 199 days above 25 °C (77.0 °F) and 12 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rockdale, 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 28°C
(82°F)		 31°C
(88°F)		 31°C
(89°F)		 35°C
(96°F)		 38°C
(100°F)		 39°C
(102°F)		 43°C
(109°F)		 41°C
(106°F)		 39°C
(103°F)		 36°C
(97°F)		 30°C
(86°F)		 29°C
(84°F)
Mean maximum 26°C
(79°F)		 28°C
(82°F)		 30°C
(86°F)		 32°C
(90°F)		 35°C
(95°F)		 37°C
(98°F)		 40°C
(104°F)		 40°C
(104°F)		 38°C
(100°F)		 34°C
(94°F)		 29°C
(84°F)		 28°C
(82°F)
Average high 17°C
(63°F)		 17°C
(64°F)		 23°C
(74°F)		 26°C
(79°F)		 30°C
(87°F)		 33°C
(92°F)		 35°C
(96°F)		 36°C
(98°F)		 32°C
(91°F)		 28°C
(82°F)		 22°C
(71°F)		 19°C
(66°F)
Daily mean 11°C
(52°F)		 12°C
(53°F)		 18°C
(64°F)		 20°C
(69°F)		 25°C
(77°F)		 28°C
(83°F)		 30°C
(86°F)		 31°C
(87°F)		 27°C
(81°F)		 22°C
(71°F)		 16°C
(60°F)		 13°C
(55°F)
Average low 6°C
(42°F)		 7°C
(44°F)		 12°C
(54°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 25°C
(77°F)		 25°C
(77°F)		 22°C
(72°F)		 16°C
(62°F)		 10°C
(50°F)		 7°C
(46°F)
Mean minimum -4°C
(24°F)		 -4°C
(25°F)		 2°C
(35°F)		 5°C
(42°F)		 13°C
(55°F)		 20°C
(69°F)		 21°C
(71°F)		 22°C
(72°F)		 15°C
(60°F)		 6°C
(42°F)		 0°C
(33°F)		 -1°C
(30°F)
Minimum -10°C
(15°F)		 -16°C
(3°F)		 -4°C
(25°F)		 3°C
(38°F)		 9°C
(49°F)		 17°C
(63°F)		 17°C
(63°F)		 21°C
(70°F)		 11°C
(51°F)		 3°C
(38°F)		 -4°C
(26°F)		 -3°C
(27°F)

Compare climate in Rockdale with other places

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

Monthly average precipitation in Rockdale, Texas, United States §

Rockdale usually has the most precipitation in April, May and September, with an average of 10 rainy days and 129 mm (5.1 inches) of precipitation per month.The driest months in Rockdale are January, February and November. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rockdale, 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) 61 (2.4) 72 (2.9) 73 (2.9) 110 (4.3) 159 (6.2) 89 (3.5) 74 (2.9) 106 (4.2) 117 (4.6) 92 (3.6) 65 (2.6) 86 (3.4)
Average precipitation days (≥ 1 mm) 6 10 10 9 13 11 8 7 10 9 6 8

Monthly sunshine hours in Rockdale, Texas, United States §

The sunniest months in Rockdale are June, July and August, when the sun shines an average of 10 hours 50 minutes a day.Least sunny months in Rockdale: January, February and December receive an average of 6 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rockdale, 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 171 159 224 253 272 325 347 323 272 265 230 218
Mean daily daylight hours 10h 24m 11h 6m 12h 0m 12h 56m 13h 42m 14h 5m 13h 52m 13h 11m 12h 18m 11h 22m 10h 35m 10h 11m

Solar UV radiation in Rockdale, Texas, United States §

Rockdale experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 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 6. For more detailed information, check out our hourly Rockdale UV Index data.

Average daily maximum UV levels by month for Rockdale, 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 7 9 10 11 12 12 11 10 8 6 4