Aller Weather & Climate: Best Time to Visit

The climate in Aller is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 23°C (73°F) in August to a chilly 10°C (50°F) in the coolest month, February.

Nights vary from 13°C (55°F) in August to around 2°C (36°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Aller has a notably wet climate with abundant precipitation, recording 1260 mm (50 in) of rain/snowfall per year. Precipitation levels in Aller remain relatively steady throughout the year. November has the most rain, with 123 mm (4.8 in) over 15 days. In the driest month July, this drops slightly to 85 mm (3.3 in), making the city's climate fairly predictable. For more details, please visit our Aller 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, Aller serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 5.9 hours of sunshine daily, and embrace the darker days in December, offering only 3.5 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 Aller.

The city experiences its highest humidity in August, reaching 80%. In March, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year