Casalarreina is a city of approximately 1,300 people in La Rioja, Spain. Located in the Central European time zone at 42.5°N latitude.
In 2025, Casalarreina recorded an average annual temperature of 56°F. The hottest temperatures reached 105°F in August; the coolest were 24°F in January. Total precipitation for the year was 25 inches, with the wettest month being January. Snowfall for the year totaled approximately 1 inches.
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