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Monthly climate in Derby, Kansas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Derby features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (35 °F) and 27 °C (81 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 923 mm (36.4 inches) and receives 91 rainy days on the 1 mm (0.04 inches) threshold annually.Derby enjoys an average of 3221 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Derby, Kansas, United States §

The warmest months in Derby are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (78 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (35 - 40 °F) throughout the day. On average each year, Derby experiences 128 days above 25 °C (77.0 °F) and 80 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Derby, Kansas, 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 21°C
(71°F)		 25°C
(77°F)		 33°C
(92°F)		 33°C
(91°F)		 35°C
(96°F)		 38°C
(101°F)		 40°C
(105°F)		 38°C
(100°F)		 36°C
(97°F)		 34°C
(94°F)		 25°C
(78°F)		 24°C
(76°F)
Mean maximum 18°C
(64°F)		 22°C
(72°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(89°F)		 35°C
(95°F)		 37°C
(100°F)		 37°C
(98°F)		 35°C
(96°F)		 32°C
(90°F)		 24°C
(75°F)		 20°C
(68°F)
Average high 8°C
(46°F)		 8°C
(47°F)		 16°C
(62°F)		 20°C
(68°F)		 25°C
(77°F)		 31°C
(89°F)		 33°C
(91°F)		 31°C
(89°F)		 29°C
(85°F)		 21°C
(70°F)		 14°C
(58°F)		 11°C
(52°F)
Daily mean 1°C
(35°F)		 2°C
(36°F)		 10°C
(50°F)		 13°C
(56°F)		 19°C
(67°F)		 26°C
(78°F)		 27°C
(81°F)		 26°C
(79°F)		 23°C
(74°F)		 15°C
(59°F)		 8°C
(46°F)		 4°C
(40°F)
Average low -4°C
(25°F)		 -4°C
(26°F)		 4°C
(39°F)		 7°C
(46°F)		 14°C
(58°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(69°F)		 18°C
(64°F)		 9°C
(49°F)		 2°C
(36°F)		 -1°C
(30°F)
Mean minimum -14°C
(7°F)		 -16°C
(4°F)		 -7°C
(20°F)		 -2°C
(28°F)		 6°C
(43°F)		 14°C
(57°F)		 17°C
(62°F)		 15°C
(59°F)		 8°C
(47°F)		 -2°C
(29°F)		 -8°C
(17°F)		 -10°C
(14°F)
Minimum -19°C
(-2°F)		 -29°C
(-20°F)		 -14°C
(7°F)		 -6°C
(21°F)		 4°C
(39°F)		 11°C
(53°F)		 15°C
(60°F)		 13°C
(56°F)		 5°C
(42°F)		 -4°C
(26°F)		 -15°C
(6°F)		 -14°C
(8°F)

Compare climate in Derby with other places

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

Monthly average precipitation in Derby, Kansas, United States §

Derby usually has the most precipitation in May, June and October, with an average of 10 rainy days and 133 mm (5.2 inches) of precipitation per month.The driest months in Derby are February, November and December. On average, 28 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Derby, Kansas, 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) 40 (1.6) 28 (1.1) 82 (3.2) 85 (3.4) 166 (6.5) 106 (4.2) 67 (2.7) 86 (3.4) 78 (3.1) 127 (5.0) 27 (1.0) 30 (1.2)
Average precipitation days (≥ 1 mm) 4 5 8 9 14 8 9 10 7 9 5 3

Monthly sunshine hours in Derby, Kansas, United States §

The sunniest months in Derby are June, July and August, when the sun shines an average of 11 hours 14 minutes a day.Least sunny months in Derby: January, February and December receive an average of 6 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Derby, Kansas, 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 174 202 247 265 282 347 365 321 282 256 237 237
Mean daily daylight hours 9h 53m 10h 48m 11h 59m 13h 11m 14h 12m 14h 42m 14h 25m 13h 31m 12h 22m 11h 10m 10h 7m 9h 35m

Solar UV radiation in Derby, Kansas, United States §

Derby experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Derby UV Index data.

Average daily maximum UV levels by month for Derby, Kansas, 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) 3 6 7 10 10 11 11 10 9 7 5 3