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Santo Isidoro Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santo Isidoro.
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10-day forecastForecast
Climate overview of Santo Isidoro
The climate in Santo Isidoro, Centro Region, Portugal, sees a moderate range of temperatures across the year, from 23°C (73°F) in August down to 15°C (59°F) in January.
The city receives around 682 mm (27 in) of rainfall per year. It experiences a distinct dry season from June to September. November is the wettest month and July the driest. Sunshine peaks in July, when the city sees around 12.8 hours of sunshine per day.
Santo Isidoro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santo Isidoro - and find the best time to visit.
Monthly Temperature in Santo Isidoro
In Santo Isidoro, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a comfortable 23°C (73°F) in August to a moderate 15°C (59°F) in January.
Nighttime temperatures range from 18°C (64°F) in August to 11°C (52°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santo Isidoro
On average, Santo Isidoro receives a reasonable amount of rainfall, with an annual precipitation of 682 mm (27 in). The seasons in Santo Isidoro bring significant changes in precipitation. The wettest month, November, receives high rainfall, with an average of 103 mm (4.1 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 5 mm (0.2 in) over 3 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Santo Isidoro 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 Santo Isidoro
In Santo Isidoro, summer days are longer and more sunny, with daily sunshine hours peaking at 12.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Cascais, Portugal (32 KM, 20 Miles).
Daily hours of sunshine
Data from: Cascais, Portugal (32 KM, 20 Miles).
Daily percentage of sunshine
Data from: Cascais, Portugal (32 KM, 20 Miles).
Humidity in Santo Isidoro by Month
The relative humidity is high throughout the year in Santo Isidoro.
The city experiences its highest humidity in January, reaching 82%. In July, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Cascais, Portugal (32 KM, 20 Miles).
Best Time to Visit Santo Isidoro
For comfortable weather, consider visiting Santo Isidoro in June, July, August, September and October. Conditions are usually least favourable in January, February, March, April, November 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
good
Apr
good
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
good
Dec
good
- Best overall: June, July, August, September and October
- Warmest weather: July, August and September
- Most sunshine: July
- Fewest rainy days: July and August
- Seasonal pattern: A distinct dry season from June to September
Frequently asked questions about the climate in Santo Isidoro
What is the best time to visit Santo Isidoro?
June, July, August, September and October typically offer the most optimal weather in Santo Isidoro. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Santo Isidoro has a distinct dry season from June to September.
What temperatures can I expect in Santo Isidoro?
Daytime highs range from 15°C (59°F) in January to 23°C (73°F) in August. Nighttime lows range from 11°C (52°F) to 18°C (64°F).
How much rain does Santo Isidoro get?
Annual rainfall is around 682 mm (27 in). November is the wettest month with 103 mm (4.1 in), while July is the driest with 5 mm (0.2 in).
How sunny is Santo Isidoro?
Santo Isidoro receives around 3,091 hours of sunshine per year. July is the sunniest month with 385 hours, while December is the cloudiest with just 162 hours. Overall, Santo Isidoro enjoys abundant sunshine.
Santo Isidoro 3-Day Forecast
Santo Isidoro on the map
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