Hellesøyni Weather & Climate: Best Time to Visit

The climate in Hellesøyni experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a moderate 17°C (63°F) in August to a chilly 6°C (43°F) in the coolest month, February.

Nights vary from 14°C (57°F) in August to around 3°C (37°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Hellesøyni experiences significant rain/snowfall throughout the year, averaging 2278 mm (90 in) of precipitation annually. The climate in Hellesøyni shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 266 mm (10 in) of precipitation over 28 rainy days.

In contrast, the driest month May offers drier and sunnier days, with around 97 mm (3.8 in) of rainfall over 18 rainy days. For more details, please visit our Hellesøyni 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, Hellesøyni serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 6.4 hours of sunshine daily, and embrace the darker days in December, offering only 0.4 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 Hellesøyni.

The city experiences its highest humidity in September, reaching 79%. In April, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year