Castelo in April
7.3out of 10
Possible, with caveats
Warm and comfortable: highs around 27°C. Frequent rain: about 13 rainy days.
27°CAvg high
18°CAvg low
13Rainy days (88 mm)
11:31 hDaylight
05:59Sunrise · 17:31 Sunset
Why this score
- Warm and comfortable: highs around 27°C
- Frequent rain: about 13 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in April varies a lot between years (±3.5 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 | 29°C | 20°C | 148 mm | 14 | – | – | 6.9 |
| February | 30°C | 19°C | 109 mm | 12 | – | – | 7.2 |
| March | 28°C | 19°C | 159 mm | 17 | – | – | 6.5 |
| April | 27°C | 18°C | 88 mm | 13 | – | – | 7.3 |
| May | 25°C | 15°C | 43 mm | 8 | – | – | 8.0 |
| June | 24°C | 14°C | 23 mm | 6 | – | – | 8.4 |
| July | 24°C | 14°C | 24 mm | 6 | – | – | 8.3 |
| August | 25°C | 14°C | 26 mm | 7 | – | – | 8.2 |
| September | 26°C | 15°C | 58 mm | 9 | – | – | 7.8 |
| October | 26°C | 17°C | 110 mm | 12 | – | – | 7.3 |
| November | 26°C | 18°C | 191 mm | 17 | – | – | 6.3 |
| December | 28°C | 19°C | 224 mm | 19 | – | – | 6.1 |
Frequently asked questions
How hot is Castelo in April?
Daytime highs average 27°C and nights about 18°C.
When is the best time to visit Castelo?
The best months are June, July, August, May.