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Monthly climate in Bytom, Silesia, Poland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bytom features a oceanic climate (Cfb).Temperatures typically range between -1 °C (31 °F) and 20 °C (68 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 836 mm (32.9 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually.Bytom enjoys an average of 3424 hours of sunshine throughout the year, and daylight varies from 8 hours 5 minutes to 16 hours 19 minutes per day.

Monthly average temperatures in Bytom, Silesia, Poland §

The warmest months in Bytom are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (67 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 2 °C (31 - 35 °F) throughout the day. On average each year, Bytom experiences 44 days above 25 °C (77.0 °F) and 76 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bytom, Silesia, Poland.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
(53°F)		 18°C
(65°F)		 21°C
(70°F)		 28°C
(82°F)		 29°C
(85°F)		 33°C
(92°F)		 37°C
(98°F)		 34°C
(94°F)		 32°C
(89°F)		 25°C
(77°F)		 20°C
(68°F)		 15°C
(59°F)
Mean maximum 9°C
(48°F)		 13°C
(56°F)		 19°C
(66°F)		 24°C
(76°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(90°F)		 32°C
(90°F)		 29°C
(84°F)		 24°C
(75°F)		 17°C
(63°F)		 11°C
(52°F)
Average high 2°C
(36°F)		 5°C
(41°F)		 9°C
(48°F)		 14°C
(58°F)		 18°C
(66°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 20°C
(68°F)		 15°C
(60°F)		 9°C
(48°F)		 4°C
(39°F)
Daily mean -1°C
(31°F)		 1°C
(35°F)		 4°C
(40°F)		 9°C
(49°F)		 14°C
(57°F)		 19°C
(67°F)		 20°C
(68°F)		 20°C
(68°F)		 15°C
(60°F)		 11°C
(52°F)		 6°C
(43°F)		 2°C
(35°F)
Average low -3°C
(27°F)		 -2°C
(29°F)		 -0°C
(32°F)		 4°C
(39°F)		 9°C
(48°F)		 14°C
(57°F)		 15°C
(59°F)		 15°C
(59°F)		 11°C
(51°F)		 7°C
(45°F)		 3°C
(38°F)		 -1°C
(31°F)
Mean minimum -12°C
(10°F)		 -9°C
(17°F)		 -6°C
(21°F)		 -2°C
(29°F)		 2°C
(36°F)		 8°C
(46°F)		 10°C
(49°F)		 8°C
(47°F)		 4°C
(39°F)		 1°C
(33°F)		 -4°C
(25°F)		 -8°C
(18°F)
Minimum -25°C
(-13°F)		 -14°C
(8°F)		 -14°C
(8°F)		 -7°C
(20°F)		 -1°C
(31°F)		 6°C
(44°F)		 8°C
(46°F)		 7°C
(46°F)		 1°C
(35°F)		 -2°C
(29°F)		 -7°C
(19°F)		 -11°C
(12°F)

Compare climate in Bytom with other places

Compare temperature, precipitation, sunshine, UV index in Bytom, Silesia, Poland with other places around the world.

Monthly average precipitation in Bytom, Silesia, Poland §

Bytom usually has the most precipitation in May, August and September, with an average of 13 rainy days and 96 mm (3.8 inches) of precipitation per month.The driest months in Bytom are January, March and November. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bytom, Silesia, Poland.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) 41 (1.6) 56 (2.2) 48 (1.9) 57 (2.2) 91 (3.6) 82 (3.2) 84 (3.3) 101 (4.0) 96 (3.8) 73 (2.9) 46 (1.8) 60 (2.4)
Average precipitation days (≥ 1 mm) 11 13 12 10 16 12 14 14 11 11 10 13

Monthly sunshine hours in Bytom, Silesia, Poland §

The sunniest months in Bytom are June, July and August, when the sun shines an average of 13 hours 14 minutes a day.Least sunny months in Bytom: January, February and December receive an average of 5 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bytom, Silesia, Poland.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 129 194 281 323 372 409 423 385 306 259 198 139
Mean daily daylight hours 8h 34m 10h 3m 11h 55m 13h 49m 15h 28m 16h 19m 15h 52m 14h 23m 12h 33m 10h 40m 8h 59m 8h 5m

Solar UV radiation in Bytom, Silesia, Poland §

Bytom 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 Bytom UV Index data.

Average daily maximum UV levels by month for Bytom, Silesia, Poland.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 5 7 8 8 7 6 3 2 1