Brno in May
6.8out of 10
Possible, with caveats
Mild: highs around 18°C. Frequent rain: about 12 rainy days.
18°CAvg high
9°CAvg low
12Rainy days (65 mm)
15:06 hDaylight
05:17Sunrise · 20:23 Sunset
Why this score
- Mild: highs around 18°C
- Frequent rain: about 12 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±4.0 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 1°C | -4°C | 33 mm | 9 | – | – | 4.1 |
| February | 3°C | -3°C | 28 mm | 7 | – | – | 4.7 |
| March | 8°C | 0°C | 40 mm | 9 | – | – | 5.4 |
| April | 14°C | 5°C | 40 mm | 9 | – | – | 6.6 |
| May | 18°C | 9°C | 65 mm | 12 | – | – | 6.8 |
| June | 22°C | 12°C | 75 mm | 13 | – | – | 7.4 |
| July | 24°C | 14°C | 84 mm | 13 | – | – | 7.3 |
| August | 24°C | 14°C | 69 mm | 10 | – | – | 7.7 |
| September | 18°C | 10°C | 64 mm | 9 | – | – | 7.3 |
| October | 12°C | 6°C | 44 mm | 9 | – | – | 6.3 |
| November | 6°C | 2°C | 41 mm | 9 | – | – | 5.3 |
| December | 2°C | -3°C | 36 mm | 9 | – | – | 4.3 |
Frequently asked questions
How hot is Brno in May?
Daytime highs average 18°C and nights about 9°C.
When is the best time to visit Brno?
The best months are August, June, July, September.