Guimarães Climate by Month
The temperature in Guimarães can vary quite a bit throughout the year.
Temperatures can be warm during the warmest months,
and mild during the cooler months.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Visitors to Guimarães can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 28°C in August, the warmest time of the year, to a moderate 13°C during cooler months like January. At night, temperatures typically average around 5°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Guimarães is known for its substantial rainfall, with annual precipitation reaching 1653 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives heavy rainfall, averaging 218 mm of precipitation, recorded across 16 rainy days. In contrast, the drier season, July brings less rainfall, with 33 mm over 7 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Guimarães. While July receives considerable daily sunshine with up to 10.2 hours, January marks the darkest time of the year, where sunshine is scarce with only 4.1 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Guimarães.
Relative humidity over the year
The best time of year to visit Guimarães 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:
The hottest season / summer takes place in June, July, August and September.
August has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 13°C.
December tops the wettest month list with 218 mm of rainfall.
July is the driest month with 33 mm of precipitation.
July is the sunniest month with an average of 307 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.
