Weather by month for Bratislava, the best months to go and how Slovakia's regions differ, scored from 10 years of climate data.
Sep
The highest month scores: comfortable temperatures, little rain and plenty of sun.
Highs 22°C · 9 rain days
Apr, May, Jun, Jul, Aug, Oct
Still good weather, just not quite the top months.
Highs 16°C to 28°C · 8–11 rain days
Jan, Feb, Nov, Dec
The weakest weather of the year: too hot, too cold or too wet.
Highs 4°C to 10°C · 9–11 rain days
Weather by month
Average highs and lows, rain days, sunshine and our month score out of 10.
| Month | High / low | Rain days | Sunshine | Score |
|---|---|---|---|---|
| January | 4°C / -2°C | 11 days (42 mm) | 4.6 h/day | 1.9/10 |
| February | 8°C / 0°C | 9 days (37 mm) | 6.3 h/day | 2.4/10 |
| March | 11°C / 2°C | 7 days (30 mm) | 8.4 h/day | 4.5/10 |
| April | 16°C / 6°C | 9 days (42 mm) | 10.0 h/day | 6.5/10 |
| May | 20°C / 11°C | 11 days (74 mm) | 10.7 h/day | 7.1/10 |
| June | 26°C / 16°C | 11 days (66 mm) | 12.7 h/day | 7.3/10 |
| July | 28°C / 18°C | 9 days (50 mm) | 12.6 h/day | 7.2/10 |
| August | 28°C / 17°C | 8 days (59 mm) | 11.6 h/day | 7.4/10 |
| Best month: September | 22°C / 13°C | 9 days (75 mm) | 9.4 h/day | 7.9/10 |
| October | 16°C / 8°C | 9 days (56 mm) | 7.0 h/day | 6.4/10 |
| November | 10°C / 3°C | 9 days (48 mm) | 4.9 h/day | 2.8/10 |
| December | 5°C / 0°C | 9 days (47 mm) | 4.1 h/day | 1.8/10 |
Figures for Bratislava; the country's best months are weighted across its cities. Best months are highlighted. How we score months
Month by month
4°C / -2°C · 11 rain days · 4.6 h sun
Days are cold, with highs around 4°C and lows near -2°C. Rain or snow falls on about 11 days, and sunshine is scarce at 4.6 hours a day. The score of 1.9 reflects tough winter weather. January 1 is a public holiday marking the Day of the Establishment of the Slovak Republic, and Epiphany follows on January 6.
8°C / 0°C · 9 rain days · 6.3 h sun
Temperatures start to climb, with highs of 7.7°C, though nights still dip to 0.1°C. Rain days drop to 8.6 and sunshine rises slightly to 6.3 hours. The month still scores low at 2.4, so winter conditions linger.
11°C / 2°C · 7 rain days · 8.4 h sun
Spring begins with highs of 11.4°C and fewer rainy days, around 7. Sunshine picks up to 8.4 hours a day. The score reaches 4.5, an "ok" rating as the weather turns milder but can still be unsettled.
16°C / 6°C · 9 rain days · 10.0 h sun
Highs reach 16°C with 5.8°C lows, and rain falls on about 8.5 days. Sunshine climbs to 10 hours. The score jumps to 6.5, a "good" month. Good Friday and Easter Monday fall in April, on the 3rd and 6th in 2026.
20°C / 11°C · 11 rain days · 10.7 h sun
Warmer days arrive, with highs of 20.3°C, though rain increases to 11.4 days and 74mm, the wettest month of the year. Sunshine is strong at 10.7 hours. The score of 7.1 keeps it in "good" territory. May 1 and May 8 are public holidays.
26°C / 16°C · 11 rain days · 12.7 h sun
Summer heat builds, with highs of 25.7°C and long days at 12.7 hours of sunshine. Rain still falls on about 11 days, with 66mm total. The score of 7.3 marks a "good" month for travel.
28°C / 18°C · 9 rain days · 12.6 h sun
The hottest month, with highs of 27.7°C and lows of 17.5°C. Rain days drop to 8.5 despite 50mm of rainfall, and sunshine stays high at 12.6 hours. The score of 7.2 keeps it "good". St. Cyril and Methodius Day falls on July 5.
28°C / 17°C · 8 rain days · 11.6 h sun
Heat continues, with highs of 27.5°C and 17.4°C lows. Rain falls on about 8.4 days, totalling 59mm, and sunshine is strong at 11.6 hours. The score of 7.4 is "good". The Slovak National Uprising anniversary falls on August 29.
22°C / 13°C · 9 rain days · 9.4 h sun
This is the best-scoring month at 7.9. Highs cool to 22°C with 12.9°C lows, sunshine is still solid at 9.4 hours, though rain rises to 75mm over 9 days. Two public holidays fall this month: the Constitution Day on September 1 and Our Lady of the Seven Sorrows on September 15.
16°C / 8°C · 9 rain days · 7.0 h sun
Autumn brings highs of 16°C and cooler nights at 8.2°C. Rain falls on about 9 days with 56mm total, and sunshine drops to 7 hours. The score of 6.4 keeps it "good", a milder alternative to peak summer.
10°C / 3°C · 9 rain days · 4.9 h sun
Conditions turn tough: highs fall to 9.5°C, rain affects about 9 days, and sunshine drops sharply to 4.9 hours. The score of 2.8 marks an "avoid" month for weather. All Saints' Day on November 1 and Struggle for Freedom and Democracy Day on November 17 are public holidays.
5°C / 0°C · 9 rain days · 4.1 h sun
The coldest, darkest month, with highs of just 5.1°C and lows of -0.2°C. Sunshine is minimal at 4.1 hours, while rain or snow falls on about 9.4 days. The score of 1.8 is the lowest of the year. Christmas Eve, Christmas Day, and St. Stephen's Day fall on December 24, 25 and 26.
By trip type
City sightseeing
September and August suit city breaks best. In Bratislava, September brings highs of 22°C and about 9 hours of sun a day. August is warmer, with highs of 27.5°C, 11.6 sun hours and only 8.4 rain days.
Hiking & nature
September is the best hiking month. Bratislava sees highs of 22°C, lows near 13°C and 9.4 sun hours. It is also the wettest month, with 75 mm of rain, so pack a rain jacket. These figures are for Bratislava, not the mountains.
Events calendar
Public holidays: Day of the Establishment of the Slovak Republic (1 Jan), Epiphany (6 Jan)
Public holidays: Good Friday (3 Apr), Easter Monday (6 Apr)
Public holidays: International Workers' Day (1 May), Day of victory over fascism (8 May)
Public holidays: St. Cyril and Methodius Day (5 Jul)
Public holidays: Slovak National Uprising anniversary (29 Aug)
Public holidays: Day of the Constitution of the Slovak Republic (1 Sep), Day of Our Lady of the Seven Sorrows (15 Sep)
Public holidays: All Saints’ Day (1 Nov), Struggle for Freedom and Democracy Day (17 Nov)
Public holidays: Christmas Eve (24 Dec), Christmas Day (25 Dec), St. Stephen's Day (26 Dec)
Keep planning
FAQ
September is the best month to visit Slovakia. In Bratislava, days reach about 22°C and nights fall to around 12.9°C, so it is warm without the midsummer heat. You get about 9.4 hours of sun a day and 9 rain days. September does have the highest rainfall of the year at 75 mm, so pack a light rain jacket.
Yes, August is a good time to visit Slovakia if you like warm weather. In Bratislava, highs average 27.5°C and lows 17.4°C. There are about 11.6 hours of sun a day and only 8.4 rain days, one of the lowest counts of the year. Expect hot afternoons in the city.
January is the coldest and one of the greyest months in Slovakia. In Bratislava, highs reach only 4°C and nights drop to -2°C. There are about 4.6 hours of sun a day and 10.8 rain days. It suits travellers who are happy with short, cold days and warm clothes. December is similar, with 4.1 hours of sun a day.
Yes, April and May are good months to visit Slovakia. April in Bratislava brings highs of 16°C, lows of 5.8°C, 10 hours of sun a day and 8.5 rain days. May is warmer at 20.3°C, but it is wetter, with 11.4 rain days and 74 mm of rain. Bring layers and a rain jacket.
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