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Arelho Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Arelho.
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10-day forecastForecast
Climate overview of Arelho
Arelho, in Portugal's Centro Region, enjoys a Mediterranean climate with warm, dry summers and mild, wet winters. The area receives most of its rainfall between October and March, with summers being notably dry.
This coastal location attracts visitors to see the nearby Óbidos Lagoon, one of Portugal's most important wetland areas. Some come to visit the charming medieval town of Óbidos just inland. The region also offers access to excellent beaches along the Silver Coast and traditional Portuguese fishing villages. Let's now guide you through the climate details for a complete overview.
Arelho Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Arelho - and find the best time to visit.
Monthly Temperature in Arelho
The climate in Arelho experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in August to a moderate 15°C (59°F) in the coolest month, January.
Nights vary from 18°C (64°F) in August to around 9°C (48°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Arelho
Generally, Arelho experiences moderate precipitation patterns, averaging 657 mm (26 in) yearly. The climate in Arelho shows significant variation throughout the year. Expect moderate rainfall in November, the wettest month, with an average of 93 mm (3.7 in) of precipitation over 14 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 8.2 mm (0.3 in) of rainfall over 3 rainy days. For more details, please visit our Arelho 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 Arelho
For those who appreciate different seasons, Arelho serves as an ideal destination. Expect longer, more sun-filled days in August with an average of 8.5 hours of sunshine daily, and embrace the darker days in February, offering only 4.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Cabo Carvoeiro, Portugal (19 KM, 11 Miles).
Daily hours of sunshine
Data from: Cabo Carvoeiro, Portugal (19 KM, 11 Miles).
Daily percentage of sunshine
Data from: Cabo Carvoeiro, Portugal (19 KM, 11 Miles).
Humidity in Arelho by Month
The city experiences its highest humidity in August, reaching 89%. In March, the humidity drops to its lowest level at 80%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Cabo Carvoeiro, Portugal (19 KM, 11 Miles).
Best Time to Visit Arelho
The most comfortable overall weather for exploring Arelho is usually found in May, June, July, August, September and October. Conditions are generally least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
good
Feb
good
Mar
very good
Apr
very good
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
very good
Dec
good
- Best overall: May, June, July, August, September and October
- Warmest weather: July, August and September
- Most sunshine: July and August
- Fewest rainy days: July and August
- Seasonal pattern: A distinct dry season from June to September, with warm summers and mild winters
Frequently asked questions about the climate in Arelho
What is the best time to visit Arelho?
May, June, July, August, September and October typically offer the most optimal weather in Arelho. In contrast, January, February and December tend to have less optimal conditions. Arelho has a distinct dry season from June to September, with warm summers and mild winters.
What temperatures can I expect in Arelho?
Daytime highs range from 15°C (59°F) in January to 25°C (77°F) in August. Nighttime lows range from 9°C (48°F) to 18°C (64°F).
How much rain does Arelho get?
Annual rainfall is around 657 mm (26 in). November is the wettest month with 93 mm (3.7 in), while July is the driest with 8.2 mm (0.3 in).
How sunny is Arelho?
Arelho receives around 2,206 hours of sunshine per year. August is the sunniest month with 255 hours, while February is the cloudiest with just 122 hours. Overall, Arelho enjoys abundant sunshine.
Arelho 3-Day Forecast
Arelho on the map
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