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.
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 |
Nearest destinations
Head-to-head
How Brno compares month by month: Brno vs Vienna · Brno vs Prague · Brno vs Ostrava · Brno vs Bratislava · all comparisons
Brno: questions and answers
What kind of destination is Brno?
Brno is a regional city in Czechia with a oceanic / maritime climate.
How many hours of sunshine does Brno get a year?
Brno gets about 1,643 hours of sunshine a year, at its best around September.
When is the best time to visit Brno?
The sunniest time to visit Brno is September, when the Sunshine Score peaks at 77/100 (with May and August close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Brno?
January is the least sunny month in Brno, scoring 0/100 with about 38 mm of rain.
How strong is the sun in Brno?
The typical midday UV index in Brno peaks around 5 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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