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São Luis Climate by Month

The graphs below provide an overview of the climate in São Luis (Alentejo), Portugal. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

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

Forecast for São Luis

Fri   Nov 15
18°C | 10°C
SE 22 km/h
2.4 mm
broken clouds and rain

broken clouds and rain

Sat   Nov 16
22°C | 12°C
SE 22 km/h
14 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Sun   Nov 17
24°C | 13°C
E 14 km/h
almost clear and no rain

almost clear and no rain

The best time of year to visit São Luis in Portugal

During the months of April, May 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 São Luis?
    The hottest season / summer takes place in June, July, August and September.
  • Does São Luis have a dry season?
    Yes, the months of June, July and August are very dry.
  • Which is the warmest month in São Luis?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in São Luis?
    The coldest month is January with an average maximum temperature of 16°C.
  • Which is the wettest month in São Luis?
    December tops the wettest month list with 75 mm of rainfall.
  • Which is the driest month in São Luis?
    July is the driest month with 3 mm of precipitation.
  • Which is the sunniest month in São Luis?
    July is the sunniest month with an average of 371 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.