The month in detail
What to expect in May
Spring marks the start of the good season in El Hierro. Temperatures rise (19°C) and tourists have not yet arrived en masse. Rain is virtually absent (3% of days) — ideal for planning without a backup. A good balance between weather and crowds, even if August (8.7/10) remains theoretically better.
May ranks 5 out of 12 months in El Hierro. Compared to April: +2°C daytime, +0.9h of sun per day.
This month's conditions
What it's like in May
UV index
8 · very high
protection essential
Feels like
comfortable
10°
Sea
22°C
pleasant for swimming
Daylight
13.4h of daylight
Air quality
good
AQI 33
Compare
Is May the right month?
The best month in El Hierro is August (8.7/10), 0.7 pt higher than May.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · El Hierro
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · El Hierro
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Spain
🗣️LanguageSpanish
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthAugust · 23°C
❄️Coolest monthJanuary · 16°C
🌧️Rainiest month ⓘDecember · 14%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore
Other destinations in May
If May doesn't convince you for this destination, compare with others.
Location
Where is El Hierro ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
SpainTemperate oceanic climate with a 8.7 → 7.3 gap between best and worst month. 10 years of ERA5 data to choose by project.
27.74°N · 18.01°W
Questions
Frequently asked questions
What is the best time to visit El Hierro?
August is the best month with 23.0°C highs, 16.0°C lows, 8.0h of sunshine and 1.0% rainy days. The months of August & September offer comparable conditions.
How many hours of sunshine does El Hierro get in August?
El Hierro averages 8.0 sunshine hours per day in August. It is the sunniest month with a climate score of 8.3/10.
What is the rainiest month in El Hierro?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in El Hierro in August?
In August, overnight lows reach 16.0°C, while afternoon highs average 23.0°C.
Is El Hierro good in winter?
In winter (December-February), El Hierro scores 7.0/10 on average — Decent period conditions for cultural visits.. The best month overall remains August with a score of 8.3/10.
When should you avoid El Hierro?
January is the most difficult month to visit El Hierro, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in El Hierro in May?
In May, the sea averages 22°C in El Hierro: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in El Hierro in May?
The average UV index reaches 8 in May in El Hierro (very high), with about 13.4h of daylight. Protection essential.