Bratislava weather by month & the best time to visit
Slovakia · city break · humid subtropical climate

The best time to visit Bratislava is September — its sunniest month (Sunshine Score 78/100), with May and June close behind. Bratislava averages about 1,795 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 62 mm of rain in September.
When is the best time to visit Bratislava?
For sunshine, the best time to visit Bratislava is September, then May and June. The dullest month is January (0/100, 42 mm of rain). The full month-by-month picture is in the table below.
How sunny is Bratislava?
Bratislava isn't a sunny place by world standards: about 1,795 hours of sunshine a year. 78 Sunshine Score points separate September (78) from January (0), so the month you pick matters. Bratislava is the sunniest of the 4 destinations tracked in Slovakia. The year's 606 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 2° / 36°F | -5° / 23°F | 42 mm | 0 |
| February | 0 | 5° / 41°F | -3° / 27°F | 37 mm | 1 |
| March | 14 | 10° / 50°F | 0° / 32°F | 40 mm | 2 |
| April | 62 | 17° / 63°F | 5° / 41°F | 34 mm | 4 |
| May | 77 | 22° / 72°F | 11° / 52°F | 65 mm | 5 |
| June | 77 | 26° / 79°F | 15° / 59°F | 65 mm | 5 |
| July | 77 | 29° / 84°F | 17° / 63°F | 63 mm | 5 |
| August | 77 | 28° / 82°F | 16° / 61°F | 63 mm | 5 |
| September | 78 | 23° / 73°F | 11° / 52°F | 62 mm | 3 |
| October | 53 | 16° / 61°F | 6° / 43°F | 49 mm | 2 |
| November | 7 | 9° / 48°F | 2° / 36°F | 44 mm | 1 |
| December | 0 | 3° / 37°F | -3° / 27°F | 42 mm | 0 |
Nearest destinations
Head-to-head
How Bratislava compares month by month: Bratislava vs Vienna · Bratislava vs Budapest · Bratislava vs Brno · all comparisons
Bratislava: questions and answers
What kind of destination is Bratislava?
Bratislava is a city break in Slovakia with a humid subtropical climate.
How many hours of sunshine does Bratislava get a year?
Bratislava gets about 1,795 hours of sunshine a year, at its best around September.
When is the best time to visit Bratislava?
The sunniest time to visit Bratislava is September, when the Sunshine Score peaks at 78/100 (with May and June close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Bratislava?
January is the least sunny month in Bratislava, scoring 0/100 with about 42 mm of rain.
Is Bratislava the sunniest place in Slovakia?
Yes — with about 1,795 hours of sunshine a year, Bratislava has the most annual sunshine of the 4 Slovakia destinations tracked by Sunshine Atlas.
How strong is the sun in Bratislava?
The typical midday UV index in Bratislava peaks around 5 (moderate) in May, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
Put the Bratislava sunshine badge on your site
A compact badge showing Bratislava's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: