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.
This page shows both the average monthly rainfall and the number of rainy days in El Hierro, Spain. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's now guide you through the details for a complete overview.
El Hierro experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 142 mm (5.6 in) annually.
Significant seasonal changes in precipitation occur throughout the year. During the wettest month, December receives substantial rainfall, averaging 29 mm (1.1 in) of precipitation, recorded across 5 rainy days.
In contrast, the driest month, July brings less rainfall, with 0.4 mm (0.02 in) over a single rainy day.
December, the wettest month, has a maximum daytime temperature of 21°C (70°F). The city receives 141 hours of sunshine in this period. During the driest month July you can expect a temperature of 23°C (73°F). For more detailed insights into the city's temperatures, visit our El Hierro Temperature page.
Average daily rainfall for each day of the month based on long-term records. 48-year average (1976-2025)
Browse day-by-day precipitation records for El Hierro spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
The map below shows the annual precipitation across Spain. You can also select the different months in case you are interested in a specific month.
El Hierro's average annual precipitation is 142 mm (5.6 in). Let's compare this to some popular worldwide tourist destinations:
Athens, Greece, receives an average annual precipitation of 400 mm (16 in), making it one of the drier Mediterranean climates with rainfall mostly in winter.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
For more detailed information about El Hierro's weather, including sunshine hours, humidity levels, and temperature data, visit our El Hierro Climate page.
Pick a month to see the average temperature, rainfall and sunshine in El Hierro - and find the best time to visit.
Temperature Rainfall Sunshine Humidity
See the full El Hierro climate overview or explore weather in Spain.
Where to go in September - average daytime high across popular destinations.
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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.
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