Slaný Weather & Climate: Best Time to Visit

Visitors to Slaný can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in August, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.

At night, you can expect temperatures ranging from 14°C (57°F) in August to around -2°C (28°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Slaný experiences moderate precipitation patterns, averaging 655 mm (26 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives moderate rainfall, averaging 82 mm (3.2 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month February brings less snow/rainfall, with 37 mm (1.5 in) over 13 snowy/rainy days. For more details, please visit our Slaný Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Slaný. While July receives considerable daily sunshine with up to 7.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Slaný.

The city experiences its highest humidity in December, reaching 87%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year