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Monthly climate in Ostrava, Czech Republic

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ostrava features a oceanic climate (Cfb).Temperatures typically range between 0 °C (31 °F) and 20 °C (68 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 906 mm (35.7 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually.Ostrava enjoys an average of 3464 hours of sunshine throughout the year, and daylight varies from 8 hours 10 minutes to 16 hours 13 minutes per day.

Monthly average temperatures in Ostrava, Czech Republic §

The warmest months in Ostrava are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (66 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 1 °C (31 - 35 °F) throughout the day. On average each year, Ostrava experiences 39 days above 25 °C (77.0 °F) and 81 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ostrava, Czech Republic.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 11°C
(52°F)		 17°C
(63°F)		 20°C
(69°F)		 27°C
(80°F)		 29°C
(84°F)		 32°C
(90°F)		 35°C
(95°F)		 33°C
(92°F)		 30°C
(87°F)		 24°C
(76°F)		 19°C
(66°F)		 14°C
(58°F)
Mean maximum 8°C
(47°F)		 12°C
(54°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(80°F)		 29°C
(85°F)		 31°C
(89°F)		 31°C
(89°F)		 28°C
(83°F)		 23°C
(74°F)		 16°C
(61°F)		 10°C
(51°F)
Average high 2°C
(36°F)		 4°C
(40°F)		 8°C
(47°F)		 14°C
(57°F)		 18°C
(64°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(77°F)		 19°C
(67°F)		 15°C
(59°F)		 8°C
(47°F)		 3°C
(39°F)
Daily mean -0°C
(31°F)		 1°C
(34°F)		 4°C
(40°F)		 9°C
(48°F)		 13°C
(56°F)		 19°C
(66°F)		 19°C
(67°F)		 20°C
(68°F)		 15°C
(59°F)		 10°C
(51°F)		 6°C
(43°F)		 1°C
(35°F)
Average low -3°C
(27°F)		 -2°C
(29°F)		 -0°C
(32°F)		 4°C
(39°F)		 8°C
(47°F)		 13°C
(56°F)		 14°C
(57°F)		 15°C
(58°F)		 10°C
(51°F)		 7°C
(45°F)		 3°C
(38°F)		 -1°C
(31°F)
Mean minimum -11°C
(13°F)		 -10°C
(15°F)		 -7°C
(19°F)		 -3°C
(27°F)		 2°C
(35°F)		 7°C
(45°F)		 9°C
(48°F)		 8°C
(47°F)		 4°C
(40°F)		 0°C
(32°F)		 -4°C
(25°F)		 -8°C
(18°F)
Minimum -18°C
(0°F)		 -18°C
(0°F)		 -20°C
(-4°F)		 -6°C
(22°F)		 -2°C
(29°F)		 5°C
(41°F)		 7°C
(44°F)		 7°C
(45°F)		 1°C
(34°F)		 -2°C
(28°F)		 -8°C
(17°F)		 -11°C
(12°F)

Compare climate in Ostrava with other places

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

Monthly average precipitation in Ostrava, Czech Republic §

Ostrava usually has the most precipitation in May, August and September, with an average of 14 rainy days and 105 mm (4.1 inches) of precipitation per month.The driest months in Ostrava are January, March and November. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ostrava, Czech Republic.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) 57 (2.2) 52 (2.0) 60 (2.4) 101 (4.0) 86 (3.4) 92 (3.6) 112 (4.4) 103 (4.1) 84 (3.3) 49 (1.9) 68 (2.7)
Average precipitation days (≥ 1 mm) 12 12 12 10 16 14 14 14 13 11 9 14

Monthly sunshine hours in Ostrava, Czech Republic §

The sunniest months in Ostrava are June, July and August, when the sun shines an average of 13 hours 22 minutes a day.Least sunny months in Ostrava: January, November and December receive an average of 5 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ostrava, Czech Republic.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 132 194 293 327 376 412 429 388 309 262 191 146
Mean daily daylight hours 8h 38m 10h 6m 11h 55m 13h 47m 15h 23m 16h 13m 15h 47m 14h 20m 12h 33m 10h 42m 9h 3m 8h 10m

Solar UV radiation in Ostrava, Czech Republic §

Ostrava 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, February 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 Ostrava UV Index data.

Average daily maximum UV levels by month for Ostrava, Czech Republic.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) 2 2 4 6 7 8 8 7 6 4 2 1