Arrieta Weather & Climate: Best Time to Visit

The climate in Arrieta remains fairly constant, offering pleasant temperatures throughout the year. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in September, the warmest time of the year, to a pleasant 19°C (66°F) during cooler months like February.

At night, you can expect temperatures ranging from 22°C (72°F) in September to around 16°C (61°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Arrieta experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 126 mm (5 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives low rainfall, averaging 23 mm (0.9 in) of precipitation, recorded across 4 rainy days. In contrast, the driest month August brings less rainfall, with 2.2 mm (0.1 in) over 0 rainy days. For more details, please visit our Arrieta Precipitation page.

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

The average number of days each month with precipitation

While the amount of sunshine in Arrieta varies throughout the year, all seasons offer their own charm. Enjoy up to 10.0 hours of daily sun in July, and experience slightly darker atmosphere in December, with about 6.6 hours of daily sunlight.

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 Arrieta.

The city experiences its highest humidity in December, reaching 72%. In March, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year