Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Perna features a oceanic climate (Cfb).Temperatures typically range between 1 °C (33 °F) and 22 °C (72 °F) through the year, but rarely can drop to -13 °C (10 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 647 mm (25.5 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually.Perna enjoys an average of 3494 hours of sunshine throughout the year, and daylight varies from 8 hours 19 minutes to 16 hours 4 minutes per day.
The warmest months in Perna are June, July and August, with daily mean temperatures ranging from 21 to 22 °C (70 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (33 - 37 °F) throughout the day. On average each year, Perna experiences 65 days above 25 °C (77.0 °F) and 67 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 15°C (59°F) | 18°C (64°F) | 22°C (73°F) | 29°C (84°F) | 33°C (92°F) | 35°C (94°F) | 37°C (99°F) | 36°C (97°F) | 32°C (90°F) | 25°C (77°F) | 19°C (66°F) | 13°C (55°F) |
Mean maximum | 10°C (51°F) | 14°C (58°F) | 20°C (68°F) | 25°C (77°F) | 28°C (83°F) | 32°C (89°F) | 34°C (94°F) | 34°C (93°F) | 30°C (86°F) | 23°C (74°F) | 17°C (62°F) | 11°C (52°F) |
Average high | 3°C (38°F) | 6°C (44°F) | 11°C (51°F) | 16°C (61°F) | 20°C (68°F) | 26°C (79°F) | 27°C (81°F) | 27°C (82°F) | 22°C (71°F) | 16°C (61°F) | 9°C (48°F) | 5°C (40°F) |
Daily mean | 1°C (33°F) | 3°C (37°F) | 6°C (43°F) | 11°C (52°F) | 15°C (60°F) | 21°C (70°F) | 21°C (71°F) | 22°C (72°F) | 17°C (62°F) | 12°C (53°F) | 6°C (44°F) | 2°C (36°F) |
Average low | -2°C (29°F) | -0°C (31°F) | 1°C (34°F) | 6°C (42°F) | 10°C (51°F) | 16°C (60°F) | 16°C (61°F) | 17°C (62°F) | 12°C (54°F) | 8°C (46°F) | 4°C (39°F) | 0°C (33°F) |
Mean minimum | -7°C (19°F) | -6°C (21°F) | -5°C (23°F) | -1°C (30°F) | 4°C (39°F) | 9°C (49°F) | 10°C (50°F) | 10°C (50°F) | 5°C (42°F) | 2°C (36°F) | -4°C (26°F) | -5°C (23°F) |
Minimum | -12°C (10°F) | -12°C (10°F) | -13°C (10°F) | -5°C (23°F) | 1°C (34°F) | 8°C (46°F) | 7°C (45°F) | 9°C (48°F) | 1°C (35°F) | -1°C (31°F) | -7°C (20°F) | -6°C (21°F) |
Compare temperature, precipitation, sunshine, UV index in Perna, South Moravian, Czech Republic with other places around the world.
Perna usually has the most precipitation in July, August and September, with an average of 11 rainy days and 80 mm (3.1 inches) of precipitation per month.The driest months in Perna are January, March and April. On average, 29 mm (1.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 30 (1.2) | 31 (1.2) | 28 (1.1) | 30 (1.2) | 78 (3.1) | 73 (2.9) | 78 (3.1) | 79 (3.1) | 81 (3.2) | 49 (1.9) | 42 (1.6) | 49 (1.9) |
Average precipitation days (≥ 1 mm) | 8 | 7 | 7 | 7 | 13 | 10 | 12 | 12 | 9 | 8 | 9 | 11 |
The sunniest months in Perna are June, July and August, when the sun shines an average of 13 hours 15 minutes a day.Least sunny months in Perna: January, November and December receive an average of 5 hours 10 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 135 | 212 | 295 | 334 | 376 | 409 | 427 | 382 | 314 | 266 | 177 | 163 |
Mean daily daylight hours | 8h 46m | 10h 10m | 11h 55m | 13h 43m | 15h 16m | 16h 4m | 15h 39m | 14h 16m | 12h 32m | 10h 45m | 9h 9m | 8h 19m |
Perna 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 Perna UV Index data.
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 |