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Guimarães Weather in January
Guimarães in January sees moderate temperatures, with highs around 13°C (55°F) and overnight lows of 5°C (41°F). With the rainy season in full effect, expect around 205 mm (8.1 in) of rainfall and regular showers throughout the month.
Rainfall in Guimarães in January
As part of the rainy season, Guimarães sees around 17 days of rain in January, with an average of 205 mm (8.1 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Guimarães in January
January in Guimarães brings moderate temperatures, with highs of 13°C (55°F) and nights around 5°C (41°F). January is typically considered a winter month. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. January is characterized by some of the mildest temperatures of the year.
Sunshine in Guimarães in January
With about 122 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Guimarães. Our weather planner can help you explore destinations with more pleasant weather conditions.
Guimarães Temperature in January
Min Temperature
5°C (41°F)
Max Temperature
13°C (55°F)
Chance of Rain
58%
Precipitation
205 mm (8.1 in)
Rainy days
17 days
Humidity
81% *
Sunshine
122 hours *
Percentage Sunshine
48% *
* Data from: Porto, Portugal (39 KM, 24 Miles).
Guimarães Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guimarães - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Guimarães typically stay consistent throughout January, with daily highs averaging around 13°C (55°F). Nights are cold, with lows around 6°C (43°F).
Average temperatures in January
Daily Historical Precipitation
50-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather records for Guimarães in January
Browse day-by-day weather records for Guimarães spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guimarães historical weather extremes in January
Based on 25 years of weather observations in Guimarães between 2000 and 2025, these are the recorded extremes.
- The warmest day in January was on January 1, 2022, with a maximum of 22°C (72°F).
- Guimarães experienced its chilliest January day on January 9, 2009, reaching only 4°C (39°F).
- The coldest night in January in Guimarães was on January 10, 2009, with a minimum of -2°C (28°F).
- The wettest January day on record brought 69 mm (2.7 in) of precipitation to Guimarães (January 10, 2016).
Best Places in Portugal in January
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in January →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Guimarães in January
The weather can be unpredictable in January, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Guimarães in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10
Guimarães 3-Day Forecast
More climate data for Guimarães
Temperature Rainfall Sunshine Humidity
See the full Guimarães climate overview or explore weather in Portugal.
Popular in January
Where to go in January - average daytime high across popular destinations.
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