Bratislava, Slovakia Climate & Monthly Averages
The climate of Bratislava
Bratislava has a humid subtropical climate, marked by hot, humid summers and generally mild winters. Average daytime highs range from about 39°F (4°C) in January to around 82°F (28°C) in July, and the city records roughly 109 days of measurable precipitation a year.
Climate quick facts
- Hottest month: July - highs near 82°F (28°C)
- Coldest month: January - highs near 39°F (4°C)
- Record high: 99°F (37°C) · Record low: 10°F (-12°C) (2015–2024)
- Wettest month: September (9 rainy days) · Sunniest: June (12.7 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
- Snow: about 8 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 82°F (28°C) and overnight lows stay near 64°F (18°C). The coolest month is January, with typical highs of 39°F (4°C) and lows around 29°F (-2°C). Based on 2015–2024 weather data, temperatures have reached as high as 99°F (37°C) and dropped as low as 10°F (-12°C).
Rain, sun and snow
September is usually the wettest month. It brings about 3.0 inches (76 mm) of rain over 9 days, while March is the driest. June brings the most sunshine, averaging 12.7 hours of sun a day. Snow falls on about 8 days in a typical year, mostly from November through February.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 39° | 29° | 10 | 1.6 in | 4.6 h/day | 81% |
| February | 46° | 32° | 9 | 1.5 in | 6.3 h/day | 76% |
| March | 53° | 36° | 7 | 1.2 in | 8.4 h/day | 68% |
| April | 61° | 43° | 8 | 1.6 in | 10.0 h/day | 63% |
| May | 69° | 52° | 11 | 2.9 in | 10.7 h/day | 67% |
| June | 78° | 61° | 11 | 2.6 in | 12.7 h/day | 66% |
| July | 82° | 64° | 8 | 2.0 in | 12.6 h/day | 60% |
| August | 82° | 64° | 8 | 2.3 in | 11.6 h/day | 65% |
| September | 72° | 56° | 9 | 3.0 in | 9.4 h/day | 70% |
| October | 61° | 47° | 9 | 2.2 in | 7.0 h/day | 78% |
| November | 49° | 38° | 9 | 1.9 in | 4.9 h/day | 84% |
| December | 41° | 32° | 9 | 1.8 in | 4.1 h/day | 86% |
Bratislava month by month
Bratislava weather in January
January brings highs around 39°F (4°C), lows near 29°F (-2°C), about 10 wet days and roughly 3 snowy days - typically the coldest month of the year in Bratislava.
Bratislava weather in February
February brings highs around 46°F (8°C), lows near 32°F (0°C), about 9 wet days and roughly 2 snowy days.
Bratislava weather in March
March brings highs around 53°F (12°C), lows near 36°F (2°C), about 7 wet days - typically the driest month of the year in Bratislava.
Bratislava weather in April
April brings highs around 61°F (16°C), lows near 43°F (6°C), about 8 wet days.
Bratislava weather in May
May brings highs around 69°F (20°C), lows near 52°F (11°C), about 11 wet days.
Bratislava weather in June
June brings highs around 78°F (26°C), lows near 61°F (16°C), about 11 wet days - typically the sunniest month of the year in Bratislava.
Bratislava weather in July
July brings highs around 82°F (28°C), lows near 64°F (18°C), about 8 wet days - typically the hottest month of the year in Bratislava.
Bratislava weather in August
August brings highs around 82°F (28°C), lows near 64°F (18°C), about 8 wet days.
Bratislava weather in September
September brings highs around 72°F (22°C), lows near 56°F (13°C), about 9 wet days - typically the wettest month of the year in Bratislava.
Bratislava weather in October
October brings highs around 61°F (16°C), lows near 47°F (8°C), about 9 wet days.
Bratislava weather in November
November brings highs around 49°F (10°C), lows near 38°F (3°C), about 9 wet days.
Bratislava weather in December
December brings highs around 41°F (5°C), lows near 32°F (0°C), about 9 wet days and roughly 2 snowy days.
Seasons in Bratislava
Spring (March through May)
Spring in Bratislava stays on the cool side of mild, with daytime highs averaging 61°F (16°C) and nights around 43°F (6°C); expect showers on roughly 27 days across the season.
Summer (June through August)
Summer in Bratislava is mild and warm, with daytime highs averaging 81°F (27°C) and nights around 63°F (17°C); expect showers on roughly 27 days across the season.
Fall (September through November)
Fall in Bratislava is crisp but comfortable, 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 in Bratislava is chilly, with daytime highs averaging 42°F (6°C) and nights around 31°F (-1°C); expect showers on roughly 28 days across the season, plus around 7 snowy days.
Climate questions, answered
What is the average temperature in Bratislava?
Is Bratislava hot in summer?
Is Bratislava cold in winter?
How many rainy days does Bratislava get in a year?
Best time to visit Bratislava
The best time to visit Bratislava is generally April to September, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 74°F (23°C).
Pack for Bratislava with a heavy insulated coat, hat and gloves for winter; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 64°F (18°C).
Bratislava temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.