Olhão Weather in January
January in Olhão typically sees daytime highs of 16°C (61°F) and nighttime lows of 11°C (52°F). Expect some rainfall during the month. It falls within the winter season.
Rainfall in Olhão in January
Typically, you can expect about 9 days of rain this month, with 56 mm (2.2 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Olhão in January
Expect highs of 16°C (61°F) in Olhão in January, with nights dropping to around 11°C (52°F). Winter occurs in January. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. Experience the year's lowest temperatures this month, but they are still mild and pleasant.
Sunshine in Olhão in January
The month brings about 180 hours of sunlight, offering a comfortable mix of sun and overcast.
Wind Speed in Olhão in January
January has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.
Average water temperature in January
At 15°C (59°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.January in Olhão has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Olhão's climate page.
Olhão Temperature in January
Min Temperature
11°C (52°F)
Max Temperature
16°C (61°F)
Water Temperature
15°C (59°F) *
Chance of Rain
31%
Precipitation
56 mm (2.2 in)
Rainy days
9 days
Humidity
77% *
Windspeed
3 m/s (6 knots) *
Sunshine
180 hours *
Percentage Sunshine
59% *
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Olhão typically stay consistent throughout January, with daily highs averaging around 16°C (61°F). Nights are cool, with lows around 9°C (48°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 for Olhão in January
Browse day-by-day weather records for Olhão spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Olhão historical weather extremes in January
Based on 25 years of weather observations in Olhão between 2000 and 2025, these are the recorded extremes.
- On January 28, 2003, temperatures climbed to 22°C (72°F), marking the warmest January day on record.
- The coldest January day was on January 27, 2005, with a maximum of 9°C (48°F).
- Nighttime temperatures dropped to 1°C (34°F) on January 9, 2009, marking the coldest January night on record.
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
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unpleasant
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What to Wear in Olhão 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. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Olhão in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Olhão's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Olhão climate overview or explore weather in Portugal.
