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Monthly climate in Kostelec, Czech Republic

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kostelec features a oceanic climate (Cfb). Temperatures typically range between 0 °C (32 °F) and 22 °C (71 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 725 mm (28.5 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually. Kostelec enjoys an average of 3518 hours of sunshine throughout the year, and daylight varies from 8 hours 18 minutes to 16 hours 5 minutes per day.

Monthly average temperatures in Kostelec, Czech Republic

The warmest months in Kostelec are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (69 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 2 °C (32 - 36 °F) throughout the day. On average each year, Kostelec experiences 58 days above 25 °C (77.0 °F) and 74 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kostelec. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(55°F)		15°C
(60°F)		21°C
(70°F)		28°C
(83°F)		32°C
(89°F)		33°C
(92°F)		35°C
(95°F)		36°C
(97°F)		32°C
(89°F)		24°C
(75°F)		18°C
(65°F)		13°C
(55°F)
Mean maximum9°C
(48°F)		12°C
(54°F)		19°C
(66°F)		24°C
(76°F)		27°C
(81°F)		31°C
(87°F)		33°C
(92°F)		33°C
(92°F)		29°C
(85°F)		23°C
(73°F)		16°C
(62°F)		10°C
(51°F)
Average high2°C
(36°F)		6°C
(42°F)		10°C
(50°F)		15°C
(60°F)		19°C
(67°F)		25°C
(78°F)		26°C
(80°F)		27°C
(81°F)		21°C
(70°F)		16°C
(60°F)		9°C
(48°F)		4°C
(39°F)
Daily mean-0°C
(32°F)		2°C
(36°F)		5°C
(42°F)		10°C
(51°F)		15°C
(58°F)		20°C
(69°F)		21°C
(70°F)		22°C
(71°F)		16°C
(61°F)		11°C
(52°F)		6°C
(43°F)		2°C
(36°F)
Average low-3°C
(28°F)		-1°C
(31°F)		1°C
(33°F)		5°C
(41°F)		10°C
(50°F)		15°C
(59°F)		15°C
(60°F)		16°C
(62°F)		12°C
(53°F)		7°C
(46°F)		4°C
(39°F)		-0°C
(32°F)
Mean minimum-10°C
(15°F)		-7°C
(20°F)		-6°C
(22°F)		-2°C
(29°F)		3°C
(38°F)		9°C
(48°F)		10°C
(50°F)		10°C
(50°F)		5°C
(41°F)		1°C
(35°F)		-3°C
(26°F)		-6°C
(22°F)
Minimum-15°C
(5°F)		-12°C
(10°F)		-13°C
(9°F)		-5°C
(23°F)		0°C
(32°F)		6°C
(44°F)		8°C
(47°F)		9°C
(48°F)		2°C
(36°F)		-1°C
(30°F)		-7°C
(19°F)		-7°C
(20°F)

Compare climate in Kostelec with other places

Compare temperature, precipitation, sunshine, UV index in Kostelec, Czech Republic with other places around the world.

Monthly average precipitation in Kostelec, Czech Republic

Kostelec usually has the most precipitation in May, August and September, with an average of 11 rainy days and 88 mm (3.5 inches) of precipitation per month. The driest months in Kostelec are January, February and March. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kostelec. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)36 (1.4)37 (1.4)35 (1.4)39 (1.5)91 (3.6)79 (3.1)76 (3.0)86 (3.4)87 (3.4)59 (2.3)46 (1.8)55 (2.2)
Average precipitation days (≥ 1 mm)99781412111199911

Monthly sunshine hours in Kostelec, Czech Republic

The sunniest months in Kostelec are June, July and August, when the sun shines an average of 13 hours 30 minutes a day. Least sunny months in Kostelec: January, November and December receive an average of 5 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kostelec. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours133205300336385418435389316268174155
Mean daily daylight hours8h 45m10h 9m11h 55m13h 43m15h 17m16h 5m15h 40m14h 16m12h 32m10h 44m9h 9m8h 18m

Solar UV radiation in Kostelec, Czech Republic

Kostelec experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Kostelec UV Index data.

Average daily maximum UV levels by month for Kostelec. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235678876421