Barreiro Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Barreiro.
Climate overview of Barreiro
Barreiro, Lisbon Region, Portugal, sees big temperature differences between seasons, with August peaking at 27°C (81°F) and January dropping to 16°C (61°F).
Annual rainfall is moderate at around 574 mm (23 in), with November being the wettest month. The city also has a distinct dry season from June to September. Sunshine peaks in July, when the city sees around 11.7 hours of sunshine per day.
Barreiro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Barreiro — and find the best time to visit.
Monthly Temperature in Barreiro
Visitors to Barreiro can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 27°C (81°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 16°C (61°F).
At night, temperatures range from around 18°C (64°F) in August to 9°C (48°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Barreiro
Generally, Barreiro experiences moderate precipitation patterns, averaging 574 mm (23 in) yearly. Barreiro can be quite wet during November, receiving approximately 82 mm (3.2 in) of precipitation over 13 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 3.4 mm (0.1 in) of precipitation spread across 2 rainy days days. For more details, please visit our Barreiro 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 Barreiro
Barreiro can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Barreiro
The weather does bring rainfall during this period, between 3 mm (0.1 in) and 79 mm (3.1 in). Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Barreiro
What is the best time to visit Barreiro?
May, June, July, August, September and October typically offer the most optimal weather in Barreiro. In contrast, January, February and December tend to have less optimal conditions. Barreiro has a distinct dry season from June to September.
What temperatures can I expect in Barreiro?
Daytime highs range from 16°C (61°F) in January to 27°C (81°F) in August. Nighttime lows range from 9°C (48°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Barreiro get?
Annual rainfall is around 574 mm (23 in). November is the wettest month with 82 mm (3.2 in), while July is the driest with 3.4 mm (0.1 in).
How sunny is Barreiro?
Barreiro receives around 2,828 hours of sunshine per year. July is the sunniest month with 352 hours, while December is the cloudiest with just 141 hours. Overall, Barreiro enjoys abundant sunshine.
Barreiro 3-Day Forecast
Barreiro 3-Day Forecast
Barreiro on the map
Barreiro is highlighted — select any city to see its climate.
Popular this month
Where to go in June — 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.