El Hierro: The smallest Canary island without mass tourism
Mainly nature lovers and those seeking tranquility go to El Hierro. The island is know for its beautiful mountains and you can wonder around for days here.
El Hierro Weather in May
May in El Hierro sees daytime temperatures around 21°C (70°F) and lows of 19°C (66°F) at night. The excellent weather makes it a good time to visit.
Rainfall in El Hierro in May
Expect around 2 days of rain based on historical data, with 3.8 mm (0.1 in) average. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in El Hierro in May
May in El Hierro is generally excellent, with days reaching 21°C (70°F) and nights settling around 19°C (66°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in El Hierro in May
The days are predominantly sunny, with an estimated total of around 235 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
El Hierro Temperature in May
Min Temperature
19°C (66°F)
Max Temperature
21°C (70°F)
Chance of Rain
7%
Precipitation
3.8 mm (0.1 in)
Rainy days
2 days
Humidity
75%
Sunshine
235 hours
Percentage Sunshine
El Hierro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in El Hierro - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in El Hierro typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for El Hierro in May
Browse day-by-day weather records for El Hierro spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
El Hierro historical weather extremes in May
Based on weather observations in El Hierro between 1976 and 2026, these are the recorded extremes during May.
- The hottest May day on record in El Hierro reached 30°C (86°F) (May 10, 2007).
- El Hierro experienced its chilliest May day on May 8, 2000, reaching only 18°C (64°F).
- El Hierro registered its coldest May night on May 22, 1981, with temperatures dropping to 11°C (52°F).
Best Places in Spain in May
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in El Hierro in May
For El Hierro in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in El Hierro in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
El Hierro 3-Day Forecast
More climate data for El Hierro
Temperature Rainfall Sunshine Humidity
See the full El Hierro climate overview or explore weather in Spain.
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Where to go in May - average daytime high across popular destinations.
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El Hierro: The smallest Canary island without mass tourism
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Visit national Park El Teide
This national park is truly a unique place that you should not miss. You will find landscapes that seem to come from another plane and you will feel tiny in these impressive surroundings.