Ulm in May
6.4out of 10
Possible, with caveats
Mild: highs around 18°C. Frequent rain: about 14 rainy days.
18°CAvg high
8°CAvg low
14Rainy days (95 mm)
15:00 hDaylight
05:46Sunrise · 20:46 Sunset
Why this score
- Mild: highs around 18°C
- Frequent rain: about 14 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 | 3°C | -3°C | 61 mm | 12 | – | – | 4.0 |
| February | 4°C | -3°C | 51 mm | 10 | – | – | 4.5 |
| March | 9°C | 1°C | 66 mm | 13 | – | – | 5.1 |
| April | 14°C | 4°C | 62 mm | 11 | – | – | 6.2 |
| May | 18°C | 8°C | 95 mm | 14 | – | – | 6.4 |
| June | 21°C | 11°C | 95 mm | 15 | – | – | 6.9 |
| July | 23°C | 13°C | 99 mm | 15 | – | – | 7.1 |
| August | 23°C | 13°C | 89 mm | 13 | – | – | 7.3 |
| September | 18°C | 9°C | 69 mm | 11 | – | – | 7.0 |
| October | 13°C | 5°C | 67 mm | 12 | – | – | 6.1 |
| November | 7°C | 1°C | 64 mm | 11 | – | – | 5.1 |
| December | 3°C | -2°C | 69 mm | 13 | – | – | 4.0 |
Frequently asked questions
How hot is Ulm in May?
Daytime highs average 18°C and nights about 8°C.
When is the best time to visit Ulm?
The best months are August, July, September, June.