Bratislava, Slovakia Climate & Monthly Averages
The climate of Bratislava
Set in Slovakia, Bratislava works through a humid subtropical year: July afternoons near 82°F (28°C), January afternoons near 39°F (4°C), and about 24.6 inches (624 mm) of precipitation between them.
Climate quick facts
- Hottest month: July - highs near 82°F (28°C)
- Coldest month: January - highs near 39°F (4°C)
- Decade extremes (2015-2024): 99°F (37°C) high · 10°F (-12°C) low
- Wettest month: September (9 rainy days) · Sunniest: June (12.7 h sun/day)
- Climate type: humid subtropical
- Annual swing: 22°C between the average warmest and coolest month · day to night: 8°C
- Snow: about 8 days a year
- Months with freezing average lows: 2
- Average humidity: 72%
Temperatures through the year
Warmth peaks in July: highs of 82°F (28°C), lows of 64°F (18°C). January bottoms out at 39°F (4°C) in daylight, 29°F (-2°C) after dark. September is the wettest month at 3.0 inches (76 mm) over 9 days; March is the driest.
Rain, sun and snow
Overnight lows average at or below freezing for 2 months, December through January. Snow falls on roughly 8 days a year, mostly November through February. June is the brightest month at 12.7 hours of sun a day, against an annual average of 8.5. Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through June. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 99°F (37°C) and the lowest daily minimum 10°F (-12°C).
How Bratislava compares
- Bratislava sits close to the middle of our dataset on most measures: 53°F (12°C) as an annual average, 24.6 inches (624 mm) of precipitation and 8.5 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 39° | 29° | 10 | 1.6 in | 4.6 h/day | 8.8 h | 34% | 81% |
| February | 46° | 32° | 9 | 1.5 in | 6.3 h/day | 10.1 h | 31% | 76% |
| March | 53° | 36° | 7 | 1.2 in | 8.4 h/day | 11.7 h | 23% | 68% |
| April | 61° | 43° | 8 | 1.6 in | 10.0 h/day | 13.6 h | 28% | 63% |
| May | 69° | 52° | 11 | 2.9 in | 10.7 h/day | 15.2 h | 37% | 67% |
| June | 78° | 61° | 11 | 2.6 in | 12.7 h/day | 16.0 h | 36% | 66% |
| July | 82° | 64° | 8 | 2.0 in | 12.6 h/day | 15.7 h | 27% | 60% |
| August | 82° | 64° | 8 | 2.3 in | 11.6 h/day | 14.3 h | 26% | 65% |
| September | 72° | 56° | 9 | 3.0 in | 9.4 h/day | 12.5 h | 29% | 70% |
| October | 61° | 47° | 9 | 2.2 in | 7.0 h/day | 10.7 h | 28% | 78% |
| November | 49° | 38° | 9 | 1.9 in | 4.9 h/day | 9.1 h | 30% | 84% |
| December | 41° | 32° | 9 | 1.8 in | 4.1 h/day | 8.4 h | 30% | 86% |
Bratislava month by month
Average high and low for each month, with the bar showing where it sits in Bratislava's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 10 days
- Sunshine
- 4.6 h
- Daylight
- 8.8 h
- Snow
- 3 days
February
- Rain
- 9 days
- Sunshine
- 6.3 h
- Daylight
- 10.1 h
- Snow
- 2 days
March
- Rain
- 7 days
- Sunshine
- 8.4 h
- Daylight
- 11.7 h
April
- Rain
- 8 days
- Sunshine
- 10.0 h
- Daylight
- 13.6 h
May
- Rain
- 11 days
- Sunshine
- 10.7 h
- Daylight
- 15.2 h
June
- Rain
- 11 days
- Sunshine
- 12.7 h
- Daylight
- 16.0 h
July
- Rain
- 8 days
- Sunshine
- 12.6 h
- Daylight
- 15.7 h
August
- Rain
- 8 days
- Sunshine
- 11.6 h
- Daylight
- 14.3 h
September
- Rain
- 9 days
- Sunshine
- 9.4 h
- Daylight
- 12.5 h
October
- Rain
- 9 days
- Sunshine
- 7.0 h
- Daylight
- 10.7 h
November
- Rain
- 9 days
- Sunshine
- 4.9 h
- Daylight
- 9.1 h
December
- Rain
- 9 days
- Sunshine
- 4.1 h
- Daylight
- 8.4 h
- Snow
- 2 days
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Bratislava
Spring (March through May)
Through spring, Bratislava is mild: 61°F (16°C) by day, 43°F (6°C) after dark, and expect showers on roughly 27 days across the season.
Summer (June through August)
Summer in Bratislava brings comfortable warmth, with daytime highs averaging 81°F (27°C) and nights around 63°F (17°C); expect showers on roughly 27 days across the season. Daylight is generous - around 12.3 hours of sun a day.
Fall (September through November)
Fall in Bratislava is mild, with daytime highs averaging 60°F (16°C) and nights around 47°F (8°C); expect showers on roughly 27 days across the season.
Winter (December through February)
Winter runs cold here - highs near 42°F (6°C), nights near 31°F (-1°C), and expect showers on roughly 28 days across the season, plus about 7 snowy days.
Climate questions, answered
Is Bratislava humid?
What should I wear in Bratislava?
Is Bratislava hot in summer?
Is Bratislava cold in winter?
How warm is Bratislava on average?
Best time to visit Bratislava
Aim for April to September if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 74°F (23°C) against roughly 9 wet days a month. For the same question asked the other way round, see where else is warm in April.
Pack for Bratislava with light clothing for the warm months, a heavy insulated coat, hat and gloves for winter and a compact umbrella or rain shell. Even in July, lows of 64°F (18°C) make an extra layer worth the space.
Bratislava temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.