Last updated: August 27, 2025
In April, the average temperature in Siemien, Poland hovers around 9°C (48°F). Expect varying conditions, with minimums dropping to -6°C (22°F) and maximums reaching up to 27°C (82°F). The region experiences about 47 mm (1.8 in) of precipitation over 11 days, while an average humidity of 77% adds to the overall climate experience. Stay prepared for a diverse weather backdrop!
In April, in Siemien, the average temperature is 9°C (48°F). The maximum can reach 27°C (82°F), while the minimum can drop as low as -6°C (22°F). Overall, it's a good idea to pack a variety of clothing to adapt to the fluctuating temperatures while exploring the area.
In Siemien in April, the total precipitation amount is 47 mm (1.8 in), which falls over the course of 11 days.
In Siemien in April, humidity is 77%. With an average temperature of 9°C (48°F), this humidity feels like a damp embrace, making traveling a bit more challenging as the cool air combines with the moisture, often leaving you with a chill that seeps into your bones.
In Siemien in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Siemien.
UV Risk Categories
Weather in Siemien varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Siemien, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 40 mm (1.6 inches) | 92% | low |
| February Weather | 0°C (32°F) | 43 mm (1.7 inches) | 89% | low |
| March Weather | 3°C (38°F) | 39 mm (1.5 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 47 mm (1.8 inches) | 77% | moderate |
| May Weather | 14°C (57°F) | 73 mm (2.9 inches) | 62% | high |
| June Weather | 20°C (68°F) | 77 mm (3.0 inches) | 61% | very high |
| July Weather | 20°C (68°F) | 84 mm (3.3 inches) | 60% | very high |
| August Weather | 20°C (68°F) | 101 mm (4.0 inches) | 60% | high |
| September Weather | 15°C (59°F) | 75 mm (3.0 inches) | 70% | high |
| October Weather | 10°C (50°F) | 63 mm (2.5 inches) | 86% | moderate |
| November Weather | 5°C (41°F) | 35 mm (1.4 inches) | 90% | low |
| December Weather | 1°C (34°F) | 52 mm (2.0 inches) | 92% | low |