ClimateForecastDecemberJanuary >>

Barreiro Climate by Month

The temperature in Barreiro can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and mild during the cooler months. It receives a reasonable amount of rainfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Visitors to Barreiro can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 27°C in August. In January, the coolest month of the year, temperatures drop to a moderate 16°C. At night, expect cooler temperatures, averaging 9°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Barreiro experiences moderate precipitation patterns, averaging 574 mm yearly. Barreiro can be quite wet during November, receiving approximately 82 mm of precipitation over 13 rainy days.

In contrast July, experiences much drier conditions, with 3.4 mm of rainfall, spread across 2 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

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.

Monthly hours of sunshine

Data from: Lisbon, Portugal (7 KM, 4 Miles).

Daily hours of sunshine

Data from: Lisbon, Portugal (7 KM, 4 Miles).

The best time of year to visit Barreiro in Portugal

During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Barreiro?
    The hottest season / summer takes place in June, July, August and September.
  • Does Barreiro have a dry season?
    Yes, the months of June, July and August are very dry.
  • Which is the warmest month in Barreiro?
    August has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Barreiro?
    The coldest month is January with an average maximum temperature of 16°C.
  • Which is the wettest month in Barreiro?
    November tops the wettest month list with 82 mm of rainfall.
  • Which is the driest month in Barreiro?
    July is the driest month with 3 mm of precipitation.
  • Which is the sunniest month in Barreiro?
    July is the sunniest month with an average of 352 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Barreiro

    Thu   Dec 12
    13°C | 4°C
    NE 14 km/h
    almost clear and no rain

    almost clear and no rain

    Fri   Dec 13
    14°C | 4°C
    E 11 km/h
    0.9 mm
    partly cloudy and  chance of rain

    partly cloudy and chance of rain

    Sat   Dec 14
    14°C | 7°C
    E 11 km/h
    0.6 mm
    broken clouds and  chance of slight rain

    broken clouds and chance of slight rain