Portumna Weather & Climate: Best Time to Visit

The weather in Portumna changes moderately throughout the year, offering enough variation to appreciate each season. Typically, average maximum daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 9°C (48°F) in the coolest month, January.

Nights vary from 12°C (54°F) in July to around 3°C (37°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Portumna is known for its substantial rainfall, with annual precipitation reaching 1037 mm (41 in). Precipitation levels in Portumna remain relatively steady throughout the year. December has the most rain, with 98 mm (3.9 in) over 20 days. In the driest month March, this drops slightly to 76 mm (3 in), making the city's climate fairly predictable. For more details, please visit our Portumna Precipitation page.

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

The average number of days each month with precipitation

For those who appreciate different seasons, Portumna serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.1 hours of sunshine daily, and embrace the darker days in December, offering only 1.5 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 Portumna.

The city experiences its highest humidity in December, reaching 83%. In April, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year