Portonovo Weather & Climate: Best Time to Visit

In Portonovo, seasonal changes bring about a moderate variation in temperatures. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in August, the warmest time of the year, to a moderate 14°C (57°F) during cooler months like January.

At night, you can expect temperatures ranging from 16°C (61°F) in August to around 8°C (46°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Portonovo is known for its substantial rainfall, with annual precipitation reaching 1664 mm (66 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 221 mm (8.7 in) of precipitation, recorded across 19 rainy days. In contrast, the driest month July brings less rainfall, with 37 mm (1.5 in) over 8 rainy days. For more details, please visit our Portonovo 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 Portonovo. While July receives considerable daily sunshine with up to 10.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.3 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 Portonovo.

The city experiences its highest humidity in January, reaching 85%. In June, 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