Last updated: August 23, 2025
In Perna, Czech Republic during May, the average temperature hovers around 15°C (60°F), with a minimum falling to a chilly 1°C (34°F) and a possible maximum soaring to a warm 33°C (92°F). Expect 78 mm (3.1 in) of precipitation spread over about 13 days, resulting in an average humidity level of 73%.
In May in Perna, the average temperature is 15°C (60°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 1°C (34°F). This makes it an ideal time for travelers to experience a diverse range of weather conditions, so be sure to pack for both warm and cool temperatures.
In Perna in May, the precipitation amount is 78 mm (3.1 in) spread over 13 days.
In Perna in May, humidity is 73%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make traveling feel quite muggy; therefore, staying hydrated and taking breaks in shaded areas is essential to fully enjoy your adventure.
In Perna in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Perna.
UV Risk Categories
Weather in Perna varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Perna, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 30 mm (1.2 inches) | 90% | low |
| February Weather | 3°C (37°F) | 31 mm (1.2 inches) | 87% | moderate |
| March Weather | 6°C (43°F) | 28 mm (1.1 inches) | 85% | moderate |
| April Weather | 11°C (52°F) | 30 mm (1.2 inches) | 78% | high |
| May Weather | 15°C (60°F) | 78 mm (3.1 inches) | 73% | very high |
| June Weather | 21°C (70°F) | 73 mm (2.9 inches) | 77% | very high |
| July Weather | 21°C (71°F) | 78 mm (3.1 inches) | 76% | very high |
| August Weather | 22°C (72°F) | 79 mm (3.1 inches) | 76% | high |
| September Weather | 17°C (62°F) | 81 mm (3.2 inches) | 75% | high |
| October Weather | 12°C (53°F) | 49 mm (1.9 inches) | 85% | moderate |
| November Weather | 6°C (44°F) | 42 mm (1.6 inches) | 90% | low |
| December Weather | 2°C (36°F) | 49 mm (1.9 inches) | 91% | low |