Katowice, where it's located

The climate of Katowice is moderately continental, characterized by cold winters, with temperatures often below freezing (0 °C or 32 °F), and mild or pleasantly warm summers.
The city is located in southern Poland, 280 meters (920 feet) above sea level.
The average temperature of the coldest month (January) is of -1.6 °C (29 °F), that of the warmest month (July) is of 18.6 °C (65 °F). Here are the average temperatures.
Katowice - Average temperatures
Min (°C)-5-4-138111312950-3
Max (°C)2381420222424191472
Min (°F)232530374652555448413227
Max (°F)363746576872757566574536

Precipitation amounts to 725 millimeters (28.5 inches) per year: so, it is at an intermediate level. It ranges from 40 mm (1.6 in) in the driest month (February) to 100 mm (3.9 in) in the wettest (July). Here is the average precipitation.
Katowice - Average precipitation

On average, there are around 1,730 sunshine hours per year. Here are the average sunshine hours per day.
Katowice - Sunshine


Best Time

The best time to visit Katowice runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, it can be hot in July and August, while in other circumstances, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket for the evening.