Ermua Weather & Climate: Best Time to Visit

The climate in Ermua is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in August, the warmest time of the year, to a chilly 12°C (54°F) during cooler months like February.

At night, you can expect temperatures ranging from 16°C (61°F) in August to around 5°C (41°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Ermua has a notably wet climate with abundant precipitation, recording 1253 mm (49 in) of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives high rainfall, averaging 151 mm (5.9 in) of precipitation, recorded across 17 rainy days. In contrast, the driest month August brings less rainfall, with 69 mm (2.7 in) over 12 rainy days. For more details, please visit our Ermua Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Ermua. While July receives considerable daily sunshine with up to 6.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Ermua.

The city experiences its highest humidity in January, reaching 72%. In March, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year