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 of -2°C. Rain or snow falls on about 11 days, and sunshine is scarce at 4.6 hours a day. The score is low at 1.9, reflecting the dark, chilly conditions. January 1 marks the Day of the Establishment of the Slovak Republic, and Epiphany falls on January 6.
8°C / 0°C · 9 rain days · 6.3 h sun
Highs climb slightly to 7.7°C but nights still dip near freezing at 0.1°C. Rain days drop to 8.6 and sun hours rise a little to 6.3. The score stays low at 2.4, so this remains a quiet, cold-weather month for visitors.
11°C / 2°C · 7 rain days · 8.4 h sun
Spring starts to show with highs of 11.4°C and lows around 1.8°C. Rain days fall to 6.9, among the driest of the year, and sun hours reach 8.4. The score improves to 4.5, an 'ok' time as the country warms up.
16°C / 6°C · 9 rain days · 10.0 h sun
Highs reach 16°C with lows of 5.8°C, and sunshine climbs to 10 hours a day. Rain returns slightly to 8.5 days. The score jumps to 6.5, a 'good' month. Good Friday falls on April 3 and Easter Monday on April 6.
20°C / 11°C · 11 rain days · 10.7 h sun
Warm days arrive with highs of 20.3°C and lows of 10.8°C. Rain is more frequent at 11.4 days, and monthly rainfall peaks at 74mm, so showers are common. Sun hours reach 10.7. The score is 7.1, a 'good' month overall. 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 lows of 15.8°C. Rain days ease slightly to 10.8, though rainfall stays notable at 66mm. Sun hours climb to 12.7, among the year's best. The score is 7.3, a solidly 'good' month.
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, and sun hours stay high at 12.6. The score is 7.2, a 'good' time for warm-weather travel. 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 lows of 17.4°C. Rain days are low at 8.4, though rainfall reaches 59mm. Sun hours stay strong at 11.6. The score is 7.4, another 'good' month. The Slovak National Uprising anniversary falls on August 29.
22°C / 13°C · 9 rain days · 9.4 h sun
Temperatures ease to a high of 22°C and low of 12.9°C, with sun hours at 9.4. Rainfall rises to 75mm over 9 rain days. The score peaks at 7.9, the year's 'best' month. Two holidays fall here: Constitution Day on September 1 and Our Lady of Sorrows on September 15.
16°C / 8°C · 9 rain days · 7.0 h sun
Autumn cooling brings highs of 16°C and lows of 8.2°C, with sun hours dropping to 7. Rain days stay at 9, with 56mm of rainfall. The score is 6.4, still a 'good' month for travel before winter sets in.
10°C / 3°C · 9 rain days · 4.9 h sun
Highs fall to 9.5°C and lows to 3.3°C, with sunshine dropping sharply to 4.9 hours. Rain days sit at 9.1. The score drops to 2.8, marking colder, greyer conditions. All Saints' Day is November 1 and Struggle for Freedom and Democracy Day is November 17.
5°C / 0°C · 9 rain days · 4.1 h sun
Winter cold sets in with highs of 5.1°C and lows of -0.2°C. Sun hours are the year's lowest at 4.1, with 9.4 rain or snow days. The score is 1.8, the year's lowest, reflecting short, dark days. Christmas Eve, Christmas Day, and St. Stephen's Day fall on December 24, 25, and 26.
By trip type
City sightseeing
August and September suit city trips in Bratislava best. August highs reach 27.5°C with 11.6 sun hours a day, while September cools to 22°C with fewer rain days (9) than midsummer, making walking tours more comfortable.
Hiking & nature
September is the pick for hiking. Daytime highs average 22°C and lows 12.9°C, giving mild trail conditions, though rainfall picks up to 75mm for the month, so pack a waterproof layer.
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
Yes, September is the best-scoring month, rated 7.9 out of 10. Bratislava highs average 22°C with lows near 13°C, and sunshine still runs 9.4 hours a day. Rain falls on about 9 days, similar to other months, but the heat of summer has eased, making it a comfortable time to travel.
Yes, August scores 7.4 out of 10 and is rated good. It's the warmest stretch alongside July, with highs around 27.5°C and lows of 17.4°C. Sunshine hours reach 11.6 a day, and rainfall sits at 59mm over roughly 8 days, so dry, sunny spells are common.
No, January scores only 1.9 out of 10. Highs average just 4°C and lows drop to -2°C, with only 4.6 hours of sunshine a day. Rain or snow falls on nearly 11 days. It's a cold, dim month, though it suits travellers wanting snowy winter scenery.
Yes, April scores 6.5 out of 10 and is rated good. Highs reach 16°C with lows of 5.8°C, and sunshine climbs to 10 hours a day. Rain falls on about 8.5 days with 42mm total, so spring weather is generally mild with occasional showers.
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