Monthly climate in Sumna, South Moravian, Czech Republic

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sumna 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 -18 °C (1 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 681 mm (26.8 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually.Sumna enjoys an average of 3517 hours of sunshine throughout the year, and daylight varies from 8 hours 17 minutes to 16 hours 6 minutes per day.

Monthly average temperatures in Sumna, South Moravian, Czech Republic §

The warmest months in Sumna 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 -1 to 1 °C (31 - 35 °F) throughout the day. On average each year, Sumna experiences 38 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 Sumna, South Moravian, 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 13°C
(55°F)
16°C
(60°F)
21°C
(70°F)
27°C
(80°F)
30°C
(87°F)
33°C
(92°F)
34°C
(93°F)
33°C
(92°F)
29°C
(85°F)
23°C
(73°F)
17°C
(64°F)
11°C
(52°F)
Mean maximum 9°C
(48°F)
13°C
(56°F)
18°C
(65°F)
23°C
(74°F)
27°C
(80°F)
29°C
(85°F)
31°C
(89°F)
31°C
(89°F)
27°C
(81°F)
22°C
(72°F)
14°C
(58°F)
10°C
(50°F)
Average high 2°C
(35°F)
5°C
(41°F)
9°C
(48°F)
14°C
(57°F)
18°C
(64°F)
24°C
(75°F)
24°C
(76°F)
25°C
(77°F)
19°C
(67°F)
14°C
(57°F)
7°C
(45°F)
3°C
(38°F)
Daily mean -1°C
(31°F)
1°C
(35°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
(50°F)
5°C
(41°F)
1°C
(34°F)
Average low -3°C
(27°F)
-1°C
(30°F)
0°C
(33°F)
4°C
(40°F)
9°C
(48°F)
14°C
(57°F)
14°C
(58°F)
15°C
(59°F)
11°C
(51°F)
6°C
(44°F)
3°C
(37°F)
-1°C
(31°F)
Mean minimum -9°C
(16°F)
-9°C
(17°F)
-6°C
(21°F)
-2°C
(29°F)
2°C
(37°F)
7°C
(46°F)
8°C
(47°F)
9°C
(48°F)
4°C
(40°F)
0°C
(33°F)
-4°C
(24°F)
-8°C
(19°F)
Minimum -18°C
(1°F)
-16°C
(4°F)
-17°C
(1°F)
-5°C
(24°F)
-1°C
(30°F)
5°C
(42°F)
6°C
(44°F)
8°C
(46°F)
1°C
(34°F)
-2°C
(28°F)
-7°C
(19°F)
-12°C
(11°F)

Compare climate in Sumna with other places

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

Monthly average precipitation in Sumna, South Moravian, Czech Republic §

Sumna usually has the most precipitation in May, June and July, with an average of 13 rainy days and 84 mm (3.3 inches) of precipitation per month.The driest months in Sumna are January, February and March. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sumna, South Moravian, 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) 35 (1.4) 35 (1.4) 36 (1.4) 36 (1.4) 82 (3.2) 83 (3.3) 87 (3.4) 75 (3.0) 74 (2.9) 47 (1.8) 43 (1.7) 49 (1.9)
Average precipitation days (≥ 1 mm) 9 8 8 8 15 13 13 13 10 7 9 11

Monthly sunshine hours in Sumna, South Moravian, Czech Republic §

The sunniest months in Sumna are June, July and August, when the sun shines an average of 13 hours 20 minutes a day.Least sunny months in Sumna: January, November and December receive an average of 5 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sumna, South Moravian, 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 134 216 293 335 382 407 432 387 313 268 182 162
Mean daily daylight hours 8h 44m 10h 9m 11h 55m 13h 44m 15h 18m 16h 6m 15h 41m 14h 17m 12h 32m 10h 44m 9h 8m 8h 17m

Solar UV radiation in Sumna, South Moravian, Czech Republic §

Sumna experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 9, 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 Sumna UV Index data.

Average daily maximum UV levels by month for Sumna, South Moravian, 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 9 8 8 6 4 2 1