Monthly climate in Karlovy Vary, Czech Republic

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Karlovy Vary features a oceanic climate (Cfb).Temperatures typically range between -1 °C (30 °F) and 17 °C (63 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 804 mm (31.7 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually.Karlovy Vary enjoys an average of 3393 hours of sunshine throughout the year, and daylight varies from 8 hours 6 minutes to 16 hours 18 minutes per day.

Monthly average temperatures in Karlovy Vary, Czech Republic §

The warmest months in Karlovy Vary are June, July and August, with daily mean temperatures ranging from 17 to 17 °C (62 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 0 °C (30 - 33 °F) throughout the day. On average each year, Karlovy Vary experiences 19 days above 25 °C (77.0 °F) and 101 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Karlovy Vary, 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 10°C
(51°F)
14°C
(57°F)
19°C
(67°F)
24°C
(76°F)
27°C
(81°F)
33°C
(91°F)
33°C
(92°F)
31°C
(88°F)
28°C
(82°F)
22°C
(71°F)
16°C
(61°F)
10°C
(51°F)
Mean maximum 7°C
(45°F)
10°C
(51°F)
16°C
(61°F)
21°C
(69°F)
24°C
(75°F)
27°C
(81°F)
28°C
(83°F)
30°C
(85°F)
25°C
(77°F)
20°C
(69°F)
12°C
(54°F)
9°C
(48°F)
Average high 1°C
(33°F)
3°C
(37°F)
6°C
(43°F)
12°C
(53°F)
15°C
(60°F)
21°C
(71°F)
22°C
(71°F)
22°C
(72°F)
17°C
(63°F)
12°C
(54°F)
5°C
(42°F)
2°C
(36°F)
Daily mean -1°C
(30°F)
-0°C
(32°F)
2°C
(37°F)
7°C
(44°F)
11°C
(52°F)
17°C
(62°F)
17°C
(63°F)
17°C
(63°F)
13°C
(55°F)
8°C
(47°F)
3°C
(38°F)
0°C
(33°F)
Average low -3°C
(26°F)
-3°C
(27°F)
-1°C
(30°F)
2°C
(36°F)
6°C
(43°F)
11°C
(53°F)
12°C
(54°F)
12°C
(54°F)
8°C
(47°F)
5°C
(41°F)
1°C
(34°F)
-2°C
(29°F)
Mean minimum -10°C
(14°F)
-10°C
(15°F)
-8°C
(18°F)
-5°C
(24°F)
-1°C
(31°F)
5°C
(41°F)
6°C
(43°F)
6°C
(44°F)
2°C
(36°F)
-1°C
(30°F)
-5°C
(24°F)
-8°C
(19°F)
Minimum -21°C
(-6°F)
-17°C
(1°F)
-18°C
(1°F)
-7°C
(20°F)
-3°C
(27°F)
1°C
(35°F)
5°C
(41°F)
5°C
(42°F)
-1°C
(31°F)
-3°C
(27°F)
-7°C
(20°F)
-11°C
(13°F)

Compare climate in Karlovy Vary with other places

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

Monthly average precipitation in Karlovy Vary, Czech Republic §

Karlovy Vary usually has the most precipitation in May, June and August, with an average of 14 rainy days and 86 mm (3.4 inches) of precipitation per month.The driest months in Karlovy Vary are February, April and November. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Karlovy Vary, 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) 64 (2.5) 56 (2.2) 67 (2.6) 41 (1.6) 87 (3.4) 82 (3.2) 79 (3.1) 90 (3.5) 59 (2.3) 63 (2.5) 39 (1.5) 77 (3.0)
Average precipitation days (≥ 1 mm) 12 11 15 10 16 12 14 14 10 11 10 16

Monthly sunshine hours in Karlovy Vary, Czech Republic §

The sunniest months in Karlovy Vary are May, June and July, when the sun shines an average of 13 hours 14 minutes a day.Least sunny months in Karlovy Vary: January, November and December receive an average of 4 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Karlovy Vary, 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 105 201 274 345 386 408 424 381 308 252 172 133
Mean daily daylight hours 8h 35m 10h 4m 11h 55m 13h 48m 15h 27m 16h 18m 15h 51m 14h 23m 12h 33m 10h 41m 9h 0m 8h 6m

Solar UV radiation in Karlovy Vary, Czech Republic §

Karlovy Vary experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 8 - 8, which corresponds to the 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 Karlovy Vary UV Index data.

Average daily maximum UV levels by month for Karlovy Vary, 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 3 5 6 8 8 8 7 6 4 2 1