Castro in May
4.8out of 10
Not the best time
Cool: highs only around 12°C. Very wet: about 17 rainy days.
12°CAvg high
6°CAvg low
17Rainy days (172 mm)
9:35 hDaylight
08:04Sunrise · 17:39 Sunset
Why this score
- Cool: highs only around 12°C
- Very wet: about 17 rainy days
- Rain varies a lot between years (±4.3 days)
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±4.3 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 | 20°C | 10°C | 63 mm | 10 | – | – | 7.4 |
| February | 20°C | 10°C | 57 mm | 8 | – | – | 7.7 |
| March | 18°C | 9°C | 86 mm | 11 | – | – | 6.9 |
| April | 15°C | 7°C | 112 mm | 13 | – | – | 6.0 |
| May | 12°C | 6°C | 172 mm | 17 | – | – | 4.8 |
| June | 10°C | 5°C | 192 mm | 19 | – | – | 4.2 |
| July | 10°C | 4°C | 174 mm | 18 | – | – | 4.3 |
| August | 11°C | 4°C | 196 mm | 20 | – | – | 4.3 |
| September | 13°C | 5°C | 130 mm | 16 | – | – | 5.2 |
| October | 14°C | 6°C | 124 mm | 16 | – | – | 5.5 |
| November | 16°C | 7°C | 98 mm | 13 | – | – | 6.2 |
| December | 18°C | 9°C | 82 mm | 13 | – | – | 6.7 |
Frequently asked questions
How hot is Castro in May?
Daytime highs average 12°C and nights about 6°C.
When is the best time to visit Castro?
The best months are February, January.