Santo Isidoro Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santo Isidoro.
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
Daily hours of sunshine
Daily percentage of sunshine
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
Best Time to Visit Santo Isidoro
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- 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 3-Day Forecast
Santo Isidoro on the map
Santo Isidoro is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
7 of the most budget-friendly destinations in Europe
Discover Europe's top budget-friendly destinations including Budapest, Kotor, Krakow, and more, perfect for affordable and exciting travel.
Alentejo, where time stands still
The quiet region is known for its rolling green hills and it is a true hiking paradise. Architectural highlights can be found in the castles, ancient monasteries or when exploring the countless charming villages.
An eco-friendly guide to Lagos travel
Lagos, Portugal is a great place to visit while being careful about your environmental footprint. Here you find some tips about environmentally places to stay, where to eat and how to get around in the area.
What to do in Lisbon: our tips for an unforgettable city trip
Lisbon is a bustling city with many special places. In this article you find the best sights, good restaurants and nice places to stay in Lisbon.