Crystal in May
7.2out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 12 rainy days.
21°CAvg high
10°CAvg low
12Rainy days (110 mm)
14:39 hDaylight
05:50Sunrise · 20:29 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 12 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.0 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 | -5°C | -13°C | 24 mm | 6 | – | – | 4.3 |
| February | -2°C | -11°C | 26 mm | 5 | – | – | 4.5 |
| March | 5°C | -4°C | 51 mm | 7 | – | – | 5.0 |
| April | 14°C | 3°C | 81 mm | 10 | – | – | 6.4 |
| May | 21°C | 10°C | 110 mm | 12 | – | – | 7.2 |
| June | 26°C | 16°C | 110 mm | 12 | – | – | 7.4 |
| July | 28°C | 18°C | 90 mm | 11 | – | – | 7.5 |
| August | 27°C | 17°C | 98 mm | 10 | – | – | 7.7 |
| September | 22°C | 12°C | 85 mm | 9 | – | – | 7.8 |
| October | 14°C | 5°C | 67 mm | 8 | – | – | 6.7 |
| November | 5°C | -2°C | 49 mm | 7 | – | – | 5.2 |
| December | -2°C | -9°C | 35 mm | 6 | – | – | 4.3 |
Frequently asked questions
How hot is Crystal in May?
Daytime highs average 21°C and nights about 10°C.
When is the best time to visit Crystal?
The best months are September, August, July, June.