El Hierro weather by month & the best time to visit
Spain · beach resort · semi-arid climate
The best time to visit El Hierro is May — its sunniest month (Sunshine Score 99/100), with June and July close behind. El Hierro averages about 3,418 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 5 mm of rain in May.
When is the best time to visit El Hierro?
For sunshine, the best time to visit El Hierro is May, then June and July. The dullest month is February (87/100, 26 mm of rain). The full month-by-month picture is in the table below.
How sunny is El Hierro?
El Hierro is one of the sunniest places on Earth: about 3,418 hours of sunshine a year. Conditions barely change through the year — only 12 Sunshine Score points separate May from February. El Hierro is the sunniest of the 40 destinations tracked in Spain. Rain has a clear season: the wettest stretch, around November, carries about 51% of the annual 219 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 95 | 20° / 68°F | 19° / 66°F | 22 mm | 4 | 22° / 72°F |
| February | 87 | 19° / 66°F | 18° / 64°F | 26 mm | 6 | 21° / 70°F |
| March | 88 | 19° / 66°F | 18° / 64°F | 21 mm | 8 | 21° / 70°F |
| April | 97 | 20° / 68°F | 19° / 66°F | 14 mm | 9 | 22° / 72°F |
| May | 99 | 21° / 70°F | 19° / 66°F | 5 mm | 10 | 22° / 72°F |
| June | 99 | 22° / 72°F | 21° / 70°F | 3 mm | 11 | 23° / 73°F |
| July | 99 | 23° / 73°F | 22° / 72°F | 1 mm | 10 | 23° / 73°F |
| August | 99 | 24° / 75°F | 23° / 73°F | 5 mm | 10 | 24° / 75°F |
| September | 97 | 24° / 75°F | 23° / 73°F | 11 mm | 9 | 24° / 75°F |
| October | 94 | 24° / 75°F | 23° / 73°F | 28 mm | 7 | 24° / 75°F |
| November | 92 | 22° / 72°F | 21° / 70°F | 43 mm | 5 | 23° / 73°F |
| December | 92 | 21° / 70°F | 20° / 68°F | 40 mm | 4 | 22° / 72°F |
Sea temperature in El Hierro by month
The sea off El Hierro is warmest in August at around 24°C / 75°F, and coolest in February at 21°C / 70°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
El Hierro: questions and answers
What kind of destination is El Hierro?
El Hierro is a beach resort in Spain with a semi-arid climate — the sea reaches 24°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does El Hierro get a year?
El Hierro gets about 3,418 hours of sunshine a year, at its best around May.
When is the best time to visit El Hierro?
The sunniest time to visit El Hierro is May, when the Sunshine Score peaks at 99/100 (with June and July close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in El Hierro?
February is the least sunny month in El Hierro, scoring 87/100 with about 26 mm of rain.
Is El Hierro the sunniest place in Spain?
Yes — with about 3,418 hours of sunshine a year, El Hierro has the most annual sunshine of the 40 Spain destinations tracked by Sunshine Atlas.
What is the sea temperature in El Hierro?
The sea in El Hierro ranges from about 21°C (February) to 24°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in El Hierro?
The typical midday UV index in El Hierro peaks around 11 (extreme) in June, easing to about 4 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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