Castro Weather & Climate: Best Time to Visit

The climate in Castro experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a pleasant 21°C (70°F) in February, the warmest time of the year, to a chilly 11°C (52°F) during cooler months like July.

At night, you can expect temperatures ranging from 10°C (50°F) in February to around 4°C (39°F) during July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Castro has a relatively rainy climate with high precipitation levels, averaging 1699 mm (67 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives heavy rainfall, averaging 224 mm (8.8 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month February brings less rainfall, with 72 mm (2.8 in) over 2 rainy days. For more details, please visit our Castro Precipitation page.

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

The average number of days each month with precipitation

The city experiences its highest humidity in May, reaching 88%. In January, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year