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Monthly climate in Sealy, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sealy features a humid subtropical climate (Cfa).Temperatures typically range between 12 °C (54 °F) and 30 °C (86 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 1229 mm (48.4 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Sealy enjoys an average of 3109 hours of sunshine throughout the year, and daylight varies from 10 hours 15 minutes to 14 hours 0 minutes per day.

Monthly average temperatures in Sealy, Texas, United States §

The warmest months in Sealy are June, July and August, with daily mean temperatures ranging from 28 to 30 °C (83 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 14 °C (54 - 58 °F) throughout the day. On average each year, Sealy experiences 212 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sealy, 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 29°C
(84°F)		 30°C
(87°F)		 33°C
(91°F)		 34°C
(94°F)		 37°C
(99°F)		 37°C
(99°F)		 40°C
(105°F)		 39°C
(103°F)		 38°C
(101°F)		 36°C
(96°F)		 31°C
(89°F)		 29°C
(84°F)
Mean maximum 26°C
(79°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(90°F)		 35°C
(95°F)		 36°C
(96°F)		 38°C
(101°F)		 38°C
(101°F)		 36°C
(97°F)		 34°C
(93°F)		 30°C
(87°F)		 27°C
(81°F)
Average high 18°C
(65°F)		 19°C
(67°F)		 24°C
(76°F)		 27°C
(80°F)		 31°C
(88°F)		 33°C
(91°F)		 34°C
(94°F)		 35°C
(95°F)		 32°C
(90°F)		 28°C
(83°F)		 23°C
(73°F)		 20°C
(68°F)
Daily mean 12°C
(54°F)		 14°C
(57°F)		 19°C
(66°F)		 21°C
(70°F)		 26°C
(78°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 27°C
(81°F)		 22°C
(72°F)		 17°C
(62°F)		 14°C
(58°F)
Average low 7°C
(45°F)		 9°C
(48°F)		 14°C
(57°F)		 16°C
(61°F)		 21°C
(70°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(77°F)		 23°C
(73°F)		 17°C
(63°F)		 11°C
(53°F)		 9°C
(48°F)
Mean minimum -3°C
(26°F)		 -2°C
(29°F)		 3°C
(38°F)		 7°C
(44°F)		 14°C
(58°F)		 22°C
(71°F)		 22°C
(71°F)		 22°C
(72°F)		 16°C
(62°F)		 7°C
(44°F)		 2°C
(36°F)		 -0°C
(32°F)
Minimum -8°C
(18°F)		 -11°C
(12°F)		 -2°C
(28°F)		 2°C
(36°F)		 11°C
(52°F)		 18°C
(65°F)		 20°C
(68°F)		 21°C
(70°F)		 12°C
(54°F)		 1°C
(34°F)		 -2°C
(29°F)		 -3°C
(28°F)

Compare climate in Sealy with other places

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

Monthly average precipitation in Sealy, Texas, United States §

Sealy usually has the most precipitation in May, June and August, with an average of 12 rainy days and 149 mm (5.9 inches) of precipitation per month.The driest months in Sealy are January, March and November. On average, 70 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sealy, 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) 70 (2.8) 83 (3.3) 67 (2.6) 74 (2.9) 159 (6.3) 138 (5.4) 105 (4.1) 151 (5.9) 129 (5.1) 82 (3.2) 74 (2.9) 97 (3.8)
Average precipitation days (≥ 1 mm) 8 12 10 9 13 13 12 11 14 10 7 8

Monthly sunshine hours in Sealy, Texas, United States §

The sunniest months in Sealy are June, July and August, when the sun shines an average of 10 hours 32 minutes a day.Least sunny months in Sealy: January, February and December receive an average of 6 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sealy, 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 173 160 237 261 296 319 327 323 275 273 241 219
Mean daily daylight hours 10h 27m 11h 8m 12h 0m 12h 54m 13h 39m 14h 0m 13h 48m 13h 9m 12h 17m 11h 24m 10h 38m 10h 15m

Solar UV radiation in Sealy, Texas, United States §

Sealy 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 Sealy UV Index data.

Average daily maximum UV levels by month for Sealy, 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