Porto Weather in January

January in Porto typically sees daytime highs of 14°C (57°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.

Rainfall in Porto in January

Expect around 18 days of rain based on historical data, with 142 mm (5.6 in) average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Porto in January

If you're visiting Porto in January, expect highs of 14°C (57°F) and overnight lows around 8°C (46°F). January is in the winter season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. Expect the coolest temperatures of the year during January.

Sunshine in Porto in January

The month experiences a moderate amount of sunlight, with 122 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Porto in January

Wind speeds average 5 m/s (10 knots) during January. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in January

At 14°C (57°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Porto.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Portugal, check out our Porto's climate page.

Porto Temperature in January

Min Temperature 8°C (46°F)  

Max Temperature 14°C (57°F)  

Water Temperature 14°C (57°F)  

Chance of Rain 58%  

Precipitation 142 mm (5.6 in)  

Rainy days 18 days  

Humidity 81%  

Windspeed 5 m/s (10 knots)  

Sunshine 122 hours  

Percentage Sunshine 48%  

Daily Historical Temperatures

50-year average (1976-2026)

Based on our historical records, temperatures in Porto typically stay consistent throughout January, with daily highs averaging around 14°C (57°F). Nights are cold, with lows around 7°C (45°F).

Average temperatures in January

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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

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Historical weather for Porto in January

Browse day-by-day weather records for Porto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Porto historical weather extremes in January

Based on weather observations in Porto between 2000 and 2025, these are the recorded extremes during January.

• The hottest January day on record in Porto reached 23°C (73°F) (January 1, 2022).
• The coldest January day was on January 9, 2009, with a maximum of 3°C (37°F).
• Nighttime temperatures dropped to -2°C (28°F) on January 9, 2021, marking the coldest January night on record.
• Peak precipitation in January occurred on January 10, 2016, when 74 mm (2.9 in) of precipitation was measured.

What to Wear in Porto 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Porto in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Portugal, check out our Porto's climate page.

More climate data for Porto

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Porto climate overview or explore weather in Portugal.