Climate Overview
The climate in Poltár is cool. The average annual temperature is 10°C and approximately 759mm of precipitation falls per year. Poltár receives a notable amount of rainfall throughout the year, including during its driest month. Poltár 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, December, February, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 57cm accumulating over the season.
Temperature
Temperatures in Poltár vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 20°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 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.
Precipitation
Poltár is a relatively dry area, receiving approximately 759mm of precipitation annually, which averages out to around 63mm per month. The wettest month is May, averaging 81mm of rainfall. July and June also tend to see above-average precipitation. The driest month is March, with just 45mm. That's 36mm less than May, 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 57cm accumulating over the season. January typically sees the most snow at around 19cm.
Wind
Poltár is relatively calm, with an average annual wind speed of 10km/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 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Poltár, which began on March 20, 2026. Poltár 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 26°C, while the coldest stretch bottoms out in January near -4°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 0 to 19°C. Precipitation is moderate at around 181mm for the season, averaging 60mm per month. Winds are generally light, averaging 12km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 12 to 26°C. Precipitation is moderate at around 220mm for the season, averaging 73mm per month. Winds are generally light, averaging 10km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 1 to 21°C. Precipitation is moderate at around 213mm for the season, averaging 71mm per month. Expect around 7cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -4 to 5°C. Rainfall is relatively light, with around 146mm over the season and a monthly average of 49mm. Expect around 43cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Poltár is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 73mm 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.
Monthly Climate Data
The table below shows monthly climate averages for Poltár 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.