Aller Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Aller.
Climate overview of Aller
Temperatures in Aller, Spain, vary greatly throughout the year. August is the hottest month at 23°C (73°F), while January is the coldest at 10°C (50°F).
The city receives considerable rain/snowfall, with around 1260 mm (50 in) annually. November is the wettest month. It has warm summers and cold winters. The sunniest month is July, with 5.9 hours of sunshine per day on average.
Aller Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Aller - and find the best time to visit.
Monthly Temperature in Aller
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, January.
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
Rainfall in Aller
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
Sunshine Hours in Aller
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
Humidity in Aller by Month
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
Best Time to Visit Aller
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July, August and September
- Warmest weather: July and August
- Most sunshine: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Aller
What is the best time to visit Aller?
July, August and September typically offer the most optimal weather in Aller. In contrast, January, February, March, November and December tend to have less optimal conditions. Aller has warm summers and cold winters.
What temperatures can I expect in Aller?
Daytime highs range from 10°C (50°F) in January to 23°C (73°F) in August. Nighttime lows range from 2°C (36°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Aller get?
Annual rainfall is around 1260 mm (50 in). November is the wettest month with 123 mm (4.8 in), while July is the driest with 85 mm (3.3 in).
How sunny is Aller?
Aller receives around 1,762 hours of sunshine per year. July is the sunniest month with 178 hours, while December is the cloudiest with just 105 hours.
Aller 3-Day Forecast
Aller on the map
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