In Bratislava, the capital of Slovakia, the climate is moderately continental, with cold winters and warm summers.
The average temperature of the coldest month (January) is of -1 °C (30 °F), that of the warmest months (July, August) is of 21 °C (70 °F). Here are the average temperatures.
Bratislava - Average temperatures
Min (°C)-4-215101315151161-2
Max (°C)25111622252727221584
Min (°F)252834415055595952433428
Max (°F)364152617277818172594639

In winter, during cold spells from Siberia, the temperature can drop to -15 °C (5 °F) or even below. In January 1985, it reached -24.5 °C (- 12 °F).
In summer, there may be short heat waves in which the temperature reaches 35 °C (95 °F) or more. In August 1992 and 2003, 38 °C (100 °F) were reached.


Precipitation amounts to 555 millimeters (21.9 inches) per year: so, it is at an intermediate level. It ranges from 35 mm (1.4 in) in the driest months (February, March, October) to 60 mm (2.4 in) in the wettest one (June). Here is the average precipitation.
Bratislava - Average precipitation

On average, there are around 2,040 sunshine hours per year. Here are the average sunshine hours per day.
Bratislava - Sunshine

Best Time

In order to avoid both the winter cold and the summer heat, the best times to visit Bratislava are spring and autumn, and in particular, the months of May, June and September: daytime temperatures are pleasant, although it's better to bring a sweater and a jacket for the evening. In July and August, the temperature is usually not too hot, however, there is the risk of some very hot days, which can happen, though more rarely, also in the second half of June and in the first half of September.