Alella Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Alella.
Climate overview of Alella
Alella, Catalonia, Spain, sees big temperature differences between seasons, with August peaking at 28°C (82°F) and January dropping to 14°C (57°F).
Alella sees a moderate amount of rainfall, totalling around 655 mm (26 in) per year. It experiences a distinct dry season from June to July, with warm summers and mild winters, creating some seasonal variation. The most sunshine falls in July, with an average of 10.4 hours of daily sunshine.
Alella Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alella - and find the best time to visit.
Monthly Temperature in Alella
Visitors to Alella can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 28°C (82°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 21°C (70°F) in August to around 6°C (43°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Alella
Generally, Alella experiences moderate precipitation patterns, averaging 655 mm (26 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives moderate rainfall, averaging 98 mm (3.9 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month July brings less rainfall, with 29 mm (1.1 in) over 5 rainy days. For more details, please visit our Alella 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 Alella
Seasonal changes in sunshine hours are quite dramatic in Alella. 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 4.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Alella
The mean water temperature over the year ranges from 13°C (55°F) in January to 24°C (75°F) in August.
Water temperature over the year
Humidity in Alella by Month
The relative humidity is high throughout the year in Alella.
The city experiences its highest humidity in September, reaching 74%. In July, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Alella
The mean wind speed varies between 2 m/s (4 knots) and 4 m/s (8 knots) throughout the year. It is lowest in September and October and highest during March. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Alella
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August, September and October
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July
- Best for swimming: June, July, August, September and October.
- Seasonal pattern: A distinct dry season from June to July, with warm summers and mild winters
Frequently asked questions about the climate in Alella
What is the best time to visit Alella?
May, June, July, August, September and October typically offer the most optimal weather in Alella. In contrast, January, February, March, November and December tend to have less optimal conditions. Alella has a distinct dry season from June to July, with warm summers and mild winters.
What temperatures can I expect in Alella?
Daytime highs range from 14°C (57°F) in January to 28°C (82°F) in August. Nighttime lows range from 6°C (43°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Alella get?
Annual rainfall is around 655 mm (26 in). October is the wettest month with 98 mm (3.9 in), while July is the driest with 29 mm (1.1 in).
How sunny is Alella?
Alella receives around 2,510 hours of sunshine per year. July is the sunniest month with 311 hours, while December is the cloudiest with just 137 hours. Overall, Alella enjoys abundant sunshine.
Alella 3-Day Forecast
Alella 3-Day Forecast
Alella on the map
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