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Monthly climate in Kirby, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kirby features a humid subtropical climate (Cfa).Temperatures typically range between 11 °C (53 °F) and 30 °C (86 °F) through the year, but rarely can drop to -12 °C (10 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 877 mm (34.5 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually.Kirby enjoys an average of 3063 hours of sunshine throughout the year, and daylight varies from 10 hours 16 minutes to 13 hours 59 minutes per day.

Monthly average temperatures in Kirby, Texas, United States §

The warmest months in Kirby 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 11 to 13 °C (53 - 56 °F) throughout the day. On average each year, Kirby experiences 206 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 Kirby, 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 27°C
(81°F)		 31°C
(87°F)		 33°C
(91°F)		 35°C
(95°F)		 37°C
(99°F)		 39°C
(103°F)		 41°C
(106°F)		 40°C
(103°F)		 39°C
(102°F)		 37°C
(98°F)		 32°C
(90°F)		 29°C
(85°F)
Mean maximum 25°C
(77°F)		 28°C
(83°F)		 31°C
(88°F)		 34°C
(93°F)		 35°C
(96°F)		 37°C
(99°F)		 38°C
(101°F)		 38°C
(101°F)		 37°C
(100°F)		 34°C
(94°F)		 29°C
(85°F)		 27°C
(81°F)
Average high 18°C
(64°F)		 19°C
(66°F)		 24°C
(76°F)		 27°C
(81°F)		 31°C
(88°F)		 33°C
(92°F)		 35°C
(95°F)		 36°C
(97°F)		 32°C
(91°F)		 28°C
(83°F)		 22°C
(72°F)		 19°C
(67°F)
Daily mean 11°C
(53°F)		 13°C
(55°F)		 18°C
(65°F)		 21°C
(70°F)		 25°C
(77°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(86°F)		 27°C
(80°F)		 22°C
(72°F)		 16°C
(61°F)		 13°C
(56°F)
Average low 6°C
(43°F)		 8°C
(46°F)		 13°C
(55°F)		 15°C
(60°F)		 20°C
(68°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 22°C
(71°F)		 16°C
(62°F)		 10°C
(51°F)		 8°C
(46°F)
Mean minimum -3°C
(27°F)		 -3°C
(27°F)		 3°C
(38°F)		 6°C
(43°F)		 13°C
(56°F)		 21°C
(69°F)		 21°C
(70°F)		 21°C
(71°F)		 16°C
(60°F)		 5°C
(42°F)		 1°C
(35°F)		 -0°C
(31°F)
Minimum -7°C
(20°F)		 -12°C
(10°F)		 -3°C
(27°F)		 3°C
(37°F)		 11°C
(51°F)		 18°C
(64°F)		 17°C
(64°F)		 20°C
(69°F)		 12°C
(54°F)		 3°C
(37°F)		 -4°C
(25°F)		 -3°C
(27°F)

Compare climate in Kirby with other places

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

Monthly average precipitation in Kirby, Texas, United States §

Kirby usually has the most precipitation in May, September and October, with an average of 11 rainy days and 112 mm (4.4 inches) of precipitation per month.The driest months in Kirby are January, August and November. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kirby, 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) 44 (1.7) 58 (2.3) 62 (2.5) 71 (2.8) 130 (5.1) 78 (3.1) 69 (2.7) 56 (2.2) 117 (4.6) 89 (3.5) 46 (1.8) 57 (2.3)
Average precipitation days (≥ 1 mm) 6 10 9 8 15 12 8 6 10 10 6 7

Monthly sunshine hours in Kirby, Texas, United States §

The sunniest months in Kirby are June, July and August, when the sun shines an average of 10 hours 51 minutes a day.Least sunny months in Kirby: 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 Kirby, 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 169 162 223 252 276 324 343 330 276 263 223 218
Mean daily daylight hours 10h 29m 11h 8m 12h 0m 12h 53m 13h 37m 13h 59m 13h 47m 13h 8m 12h 17m 11h 24m 10h 39m 10h 16m

Solar UV radiation in Kirby, Texas, United States §

Kirby 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 Kirby UV Index data.

Average daily maximum UV levels by month for Kirby, 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