Brno: Weather Guide & Climate
Complete month-by-month weather guide: Brno. Best time to visit: May, June, September, October. Plan your trip with detailed climate data.
Climate Overview
Brno has a moderate climate with average yearly highs of 15°C, lows of 6°C, and approximately 9 rainy days per month.
The best time to visit Brno is during May, June, September, October, when conditions are perfect for sightseeing and exploration
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Air Quality
Best Time
May, Jun, Sep, Oct
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 3°C | -3°C | 6 | Good |
| February | 8°C | 1°C | 11 | Good |
| March | 11°C | 1°C | 5 | Good |
| April | 17°C | 4°C | 3 | Good |
| May | 18°C | 8°C | 13 | Excellent (best) |
| June | 22°C | 14°C | 15 | Excellent (best) |
| July | 25°C | 14°C | 10 | Good |
| August | 26°C | 16°C | 10 | Good |
| September | 21°C | 11°C | 9 | Excellent (best) |
| October | 14°C | 7°C | 13 | Excellent (best) |
| November | 7°C | 2°C | 5 | Good |
| December | 4°C | 1°C | 10 | Good |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: 5°C
Low: 0°C
Rainy days: 9 days/month
Spring
Mar–May
High: 15°C
Low: 4°C
Rainy days: 7 days/month
Summer
Jun–Aug
High: 24°C
Low: 15°C
Rainy days: 12 days/month
Autumn
Sep–Nov
High: 14°C
Low: 7°C
Rainy days: 9 days/month
Month-by-Month Weather Table
January
February
March
April
May
BestJune
BestJuly
August
September
BestOctober
BestNovember
December
| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January | 3°C | -3°C | 6 | Good | View Details → |
| February | 8°C | 1°C | 11 | Good | View Details → |
| March | 11°C | 1°C | 5 | Good | View Details → |
| April | 17°C | 4°C | 3 | Good | View Details → |
| May (best) | 18°C | 8°C | 13 | Excellent | View Details → |
| June (best) | 22°C | 14°C | 15 | Excellent | View Details → |
| July | 25°C | 14°C | 10 | Good | View Details → |
| August | 26°C | 16°C | 10 | Good | View Details → |
| September (best) | 21°C | 11°C | 9 | Excellent | View Details → |
| October (best) | 14°C | 7°C | 13 | Excellent | View Details → |
| November | 7°C | 2°C | 5 | Good | View Details → |
| December | 4°C | 1°C | 10 | Good | View Details → |
Brno
Modernist villas with Tugendhat Villa (UNESCO) and Bone Church ossuary, underground ossuary, wine region, and student energy.
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Common Questions
What type of climate does Brno have?
Brno has a Moderate climate with average yearly temperatures of 15°C (highs) and 6°C (lows).
When is the best time to visit Brno?
The best time to visit Brno is during May, June, September, October, when temperatures average around 18°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Brno?
The hottest month in Brno is August with average highs of 26°C, while the coldest is January with average lows of -3°C.
When is the rainy season in Brno?
Brno sees the most rain in June (15 rainy days), while April is the driest month (3 rainy days).
More Brno Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Brno: top things to do, itineraries, and typical costs.