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Monthly climate in Conroe, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Conroe features a humid subtropical climate (Cfa).Temperatures typically range between 12 °C (53 °F) and 29 °C (84 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 1492 mm (58.8 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually.Conroe enjoys an average of 3101 hours of sunshine throughout the year, and daylight varies from 10 hours 13 minutes to 14 hours 2 minutes per day.

Monthly average temperatures in Conroe, Texas, United States §

The warmest months in Conroe are June, July and August, with daily mean temperatures ranging from 27 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 12 to 14 °C (53 - 57 °F) throughout the day. On average each year, Conroe experiences 197 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 Conroe, 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
(83°F)		 29°C
(85°F)		 31°C
(88°F)		 33°C
(91°F)		 35°C
(95°F)		 36°C
(97°F)		 38°C
(100°F)		 39°C
(102°F)		 37°C
(100°F)		 33°C
(92°F)		 30°C
(87°F)		 28°C
(84°F)
Mean maximum 26°C
(78°F)		 27°C
(80°F)		 29°C
(84°F)		 31°C
(88°F)		 33°C
(92°F)		 35°C
(95°F)		 37°C
(99°F)		 37°C
(99°F)		 35°C
(96°F)		 33°C
(91°F)		 29°C
(84°F)		 27°C
(80°F)
Average high 17°C
(63°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(78°F)		 30°C
(86°F)		 32°C
(90°F)		 33°C
(92°F)		 34°C
(93°F)		 31°C
(89°F)		 27°C
(81°F)		 22°C
(72°F)		 19°C
(66°F)
Daily mean 12°C
(53°F)		 13°C
(56°F)		 18°C
(65°F)		 20°C
(69°F)		 25°C
(77°F)		 27°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 26°C
(80°F)		 22°C
(71°F)		 16°C
(61°F)		 14°C
(57°F)
Average low 7°C
(45°F)		 9°C
(48°F)		 13°C
(56°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(75°F)		 22°C
(72°F)		 17°C
(63°F)		 11°C
(51°F)		 9°C
(48°F)
Mean minimum -3°C
(26°F)		 -2°C
(29°F)		 3°C
(37°F)		 6°C
(43°F)		 13°C
(56°F)		 21°C
(70°F)		 22°C
(71°F)		 21°C
(71°F)		 16°C
(61°F)		 7°C
(44°F)		 2°C
(35°F)		 -1°C
(31°F)
Minimum -8°C
(18°F)		 -13°C
(9°F)		 -2°C
(29°F)		 2°C
(36°F)		 9°C
(48°F)		 18°C
(64°F)		 20°C
(67°F)		 20°C
(69°F)		 12°C
(54°F)		 1°C
(34°F)		 -2°C
(29°F)		 -3°C
(27°F)

Compare climate in Conroe with other places

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

Monthly average precipitation in Conroe, Texas, United States §

Conroe usually has the most precipitation in May, June and August, with an average of 15 rainy days and 178 mm (7.0 inches) of precipitation per month.The driest months in Conroe are January, March and November. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Conroe, 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) 91 (3.6) 108 (4.3) 88 (3.5) 97 (3.8) 213 (8.4) 159 (6.2) 124 (4.9) 162 (6.4) 156 (6.1) 105 (4.1) 74 (2.9) 117 (4.6)
Average precipitation days (≥ 1 mm) 8 12 12 11 15 15 15 15 14 11 9 9

Monthly sunshine hours in Conroe, Texas, United States §

The sunniest months in Conroe are June, July and August, when the sun shines an average of 10 hours 34 minutes a day.Least sunny months in Conroe: January, February and December receive an average of 5 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Conroe, 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 168 155 238 257 301 315 334 322 277 272 239 217
Mean daily daylight hours 10h 26m 11h 7m 12h 0m 12h 55m 13h 40m 14h 2m 13h 50m 13h 10m 12h 17m 11h 23m 10h 36m 10h 13m

Solar UV radiation in Conroe, Texas, United States §

Conroe experiences the highest level of ultraviolet (UV) radiation in April, 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 Conroe UV Index data.

Average daily maximum UV levels by month for Conroe, 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 11 12 11 10 8 6 5