Climate Insights for Zvolen

The climate in Zvolen is cool. The average annual temperature is 9°C and approximately 913mm of precipitation falls per year. Zvolen receives a notable amount of rainfall throughout the year, including during its driest month. Zvolen is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 97cm accumulating over the season.

Temperatures in Zvolen vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 19°C. The coldest month is January, when overnight lows fall to -4°C and the daily average is -2°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.

Zvolen is a moderately rainy area, receiving approximately 913mm of precipitation annually, which averages out to around 76mm per month. The wettest month is July, averaging 102mm of rainfall. May and June also tend to see above-average precipitation. The driest month is January, with just 51mm. That's 51mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 97cm accumulating over the season. January typically sees the most snow at around 28cm.

Zvolen is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently autumn in Zvolen, which began on September 23, 2026. Zvolen is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 25°C, while the coldest stretch bottoms out in January near -4°C. Winter is next, beginning on December 21, 2026 (87 days from now).

The best time to visit Zvolen is during June and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 93mm per month. By contrast, January can be quite cold with temperatures dropping to -4°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Zvolen based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.