Gliwice Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gliwice.
Climate overview of Gliwice
The climate in Gliwice, Silesia, Poland, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in July to 3°C (37°F) in January.
The city receives around 824 mm (32 in) of rain/snowfall per year. It experiences warm summers and cold winters. July is the wettest month and December the driest. Sunshine peaks in July, when the city sees around 7.2 hours of sunshine per day.
Gliwice Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gliwice - and find the best time to visit.
Monthly Temperature in Gliwice
In Gliwice, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a chilly 3°C (37°F) in January.
Nighttime temperatures range from 14°C (57°F) in July to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gliwice
On average, Gliwice receives a reasonable amount of rain/snowfall, with an annual precipitation of 824 mm (32 in). The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 108 mm (4.3 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, December, still receives a respectable 52 mm (2 in) of snow/rainfall. For more details, please visit our Gliwice Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Gliwice
In Gliwice, summer days are longer and more sunny, with daily sunshine hours peaking at 7.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Gliwice by Month
The relative humidity is high throughout the year in Gliwice.
The city experiences its highest humidity in December, reaching 84%. In April, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Gliwice
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
- Most sunshine: July
- 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 Gliwice
What is the best time to visit Gliwice?
May, June, August and September typically offer the most optimal weather in Gliwice. In contrast, January, February, March, November and December tend to have less optimal conditions. Gliwice has warm summers and cold winters.
What temperatures can I expect in Gliwice?
Daytime highs range from 3°C (37°F) in January to 26°C (79°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 Gliwice get?
Annual rainfall is around 824 mm (32 in). July is the wettest month with 108 mm (4.3 in), while December is the driest with 52 mm (2 in).
How sunny is Gliwice?
Gliwice receives around 1,568 hours of sunshine per year. July is the sunniest month with 217 hours, while December is the cloudiest with just 38 hours.
Gliwice 3-Day Forecast
Gliwice on the map
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