São João do Estoril Weather & Climate: Best Time to Visit

The weather in São João do Estoril changes moderately throughout the year, offering enough variation to appreciate each season. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in August, the warmest time of the year, to a moderate 16°C (61°F) during cooler months like January.

At night, you can expect temperatures ranging from 18°C (64°F) in August to around 11°C (52°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, São João do Estoril experiences moderate precipitation patterns, averaging 620 mm (24 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives moderate rainfall, averaging 94 mm (3.7 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month July brings less rainfall, with 3.2 mm (0.1 in) over 2 rainy days. For more details, please visit our São João do Estoril 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 São João do Estoril. While July receives considerable daily sunshine with up to 12.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in São João do Estoril.

The city experiences its highest humidity in January, reaching 82%. In July, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year