El Hierro weather in May
El Hierro in May: expect average daytime highs of 22.6°C, nights around 17.9°C, a sea temperature of 20.9°C and about 0.7 rainy days. That comes with around 243 hours of sunshine, making it one of Europe's sunniest winter escapes.
El Hierro climate averages in May
| Average high | 22.6 °C |
|---|---|
| Average low | 17.9 °C |
| Sea temperature | 20.9 °C |
| Rainy days | 0.7 |
| Sunshine hours | 243 |
| Sunrise / sunset (mid-month) | 07:22 / 20:53 |
| Daylight (mid-month) | 13 h 32 min |
El Hierro weather month by month
All 7 Canary Islands in May · See today's live beach forecast for El Hierro · Warmest Canary Island in May · Sea temperature · Sunniest island right now
Frequently asked questions
Is El Hierro warm in May?
Yes. El Hierro in May has average daytime highs of 22.6°C and mild nights around 17.9°C, typical of the islands' subtropical climate.
Can you swim in the sea on El Hierro in May?
Yes. The sea around El Hierro averages 20.9°C in May, which is comfortable for swimming for most people.
Does it rain much on El Hierro in May?
Not much. El Hierro sees about 0.7 rainy days on average in May, so most days stay dry and sunny.
What should I pack for El Hierro in May?
Light summer clothing for the daytime, a light layer for the evenings, plus sun cream and sunglasses — the UV stays high even in winter.
What time does it get dark in El Hierro in May?
In El Hierro in May the sun sets at around 20:53 and rises at around 07:22 (mid-month, local time), giving roughly 13 h 32 min of daylight.
Weather in resorts and towns on El Hierro
Car hire in El Hierro · Weather map
Data source: AEMET © Agencia Estatal de Meteorología · Monthly climate averages use published, island-specific sources and reference periods. See the source list in our methodology. Last reviewed 2026-06-12.