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Best Time for São Miguel: crater lakes to Furnas
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Sweet spot: February, March, April. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Longer daylight gives the best margin for the two official walking routes, but cloud, rain, wind and route-specific closures still require a live check and resequencing.
- The loop remains conditional in the shoulder season. Confirm both exact trail codes, visibility, road access and daylight, and use the named town or village fallback rather than forcing a wet or closed path.
- This outdoor trail-led five-day baseline is withheld pending a separately reviewed winter version. São Miguel remains visitable; this refusal does not claim an island-wide winter closure.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 15.4°C | 16.7°C | 66 mm | 9.7 h | 💨 |
| February | 14.6°C | 16.0°C | 64 mm | 10.6 h | 💨 |
| March | 14.6°C | 16.0°C | 65 mm | 11.7 h | 💨 |
| April | 15.0°C | 16.4°C | 55 mm | 13.0 h | 💨 |
| May | 16.6°C | 17.9°C | 42 mm | 14.0 h | |
| June | 18.6°C | 20.0°C | 28 mm | 14.6 h | |
| July | 20.7°C | 22.1°C | 17 mm | 14.4 h | |
| August | 22.1°C | 23.4°C | 27 mm | 13.5 h | |
| September | 21.5°C | 22.8°C | 54 mm | 12.2 h | |
| October | 19.6°C | 20.9°C | 75 mm | 11.0 h | 💨 |
| November | 17.4°C | 18.7°C | 66 mm | 9.9 h | 💨 |
| December | 16.1°C | 17.4°C | 102 mm | 9.4 h | 💨 |