Bytom Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bytom.
Climate overview of Bytom
Bytom, Silesia, Poland, sees big temperature differences between seasons, with July peaking at 25°C (77°F) and January dropping to 2°C (36°F).
Bytom sees a moderate amount of rain/snowfall, totalling around 834 mm (33 in) per year. It experiences warm summers and cold winters, creating some seasonal variation.
Bytom Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bytom - and find the best time to visit.
Monthly Temperature in Bytom
Visitors to Bytom can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in July, the warmest time of the year, to a chilly 2°C (36°F) during cooler months like January.
At night, you can expect temperatures ranging from 14°C (57°F) in July to around -4°C (25°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bytom
Generally, Bytom experiences moderate precipitation patterns, averaging 834 mm (33 in) yearly. While rainfall varies throughout the year, each season offers its own charm. July brings wetter days averaging 107 mm (4.2 in) of precipitation, spread over 14 rainy days.
In contrast, the driest month December experiences a drier climate, with about 53 mm (2.1 in) of snow/rainfall spread across 18 snowy/rainy days. For more details, please visit our Bytom Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Bytom by Month
The city experiences its highest humidity in December, reaching 89%. In May, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Bytom
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Bytom
What is the best time to visit Bytom?
May, June, August and September typically offer the most optimal weather in Bytom. In contrast, January, February, March, November and December tend to have less optimal conditions. Bytom has warm summers and cold winters.
What temperatures can I expect in Bytom?
Daytime highs range from 2°C (36°F) in January to 25°C (77°F) in July. Nighttime lows range from -4°C (25°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Bytom get?
Annual rainfall is around 834 mm (33 in). July is the wettest month with 107 mm (4.2 in), while December is the driest with 53 mm (2.1 in).
Bytom 3-Day Forecast
Bytom on the map
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