Brno weather by month & the best time to visit
🇨🇿 Czechia · regional city · oceanic / maritime climate
The best time to visit Brno is September — its sunniest month (Sunshine Score 77/100), with May and August close behind. Brno averages about 1,643 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 61 mm of rain in September.
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- Sun hours / year
- 1,643
- Sunniest month
- September
- Peak score
- 77/100
- Rain / year
- 591 mm
- Snow / year
- ≈74 cm
- Midday UV at peak
- 5 (moderate)
- Population
- 388k
- Elevation
- 234 m

When is the best time to visit Brno?
For sunshine, the best time to visit Brno is September, then May and August. The dullest month is January (0/100, 38 mm of rain). The full month-by-month picture is in the table below.
How sunny is Brno?
Brno isn't a sunny place by world standards: about 1,643 hours of sunshine a year. 77 Sunshine Score points separate September (77) from January (0), so the month you pick matters. It ranks #2 of 6 destinations in Czechia for annual sunshine, above the national median of 1,539 hours. The year's 591 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 | 1° / 34°F | -6° / 21°F | 38 mm | 0 |
| February | 0 | 3° / 37°F | -5° / 23°F | 32 mm | 1 |
| March | 7 | 9° / 48°F | -1° / 30°F | 36 mm | 2 |
| April | 55 | 16° / 61°F | 4° / 39°F | 34 mm | 3 |
| May | 76 | 20° / 68°F | 9° / 48°F | 67 mm | 4 |
| June | 75 | 25° / 77°F | 13° / 55°F | 69 mm | 5 |
| July | 75 | 28° / 82°F | 15° / 59°F | 70 mm | 5 |
| August | 76 | 27° / 81°F | 15° / 59°F | 64 mm | 5 |
| September | 77 | 21° / 70°F | 10° / 50°F | 61 mm | 3 |
| October | 40 | 14° / 57°F | 4° / 39°F | 44 mm | 2 |
| November | 0 | 8° / 46°F | 1° / 34°F | 38 mm | 1 |
| December | 0 | 2° / 36°F | -4° / 25°F | 38 mm | 0 |
See Brno on the interactive sunshine globe →
Nearby places for sunshine
- Bratislava Slovakia · 116 km · best in Sep · 1,795 h sun/yr
- Vienna Austria · 116 km · best in May · 1,794 h sun/yr
- Ostrava Czechia · 119 km · best in Aug · 1,541 h sun/yr
- Prague Czechia · 205 km · best in Sep · 1,536 h sun/yr
- Wrocław Poland · 218 km · best in Sep · 1,664 h sun/yr
- Katowice Poland · 226 km · best in Sep · 1,606 h sun/yr
Nearest destinations
- Pardubice Czechia · 118 km · 1,536 h sun/yr · best in Sep
- České Budějovice Czechia · 167 km · 1,722 h sun/yr · best in Sep
- Sliač Slovakia · 187 km · 1,759 h sun/yr · best in Sep
Head-to-head
How Brno compares month by month: Brno vs Vienna · Brno vs Prague · Brno vs Ostrava · Brno vs Bratislava · all comparisons
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