Olhão Weather in March
With daytime temperatures of 18°C (64°F) and nighttime lows of 13°C (55°F), March in Olhão brings moderate temperatures during the day. Some rainfall is to be expected during the month.
Rainfall in Olhão in March
This month experiences about 8 days of rain according to historical data, averaging 55 mm (2.2 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Olhão in March
March in Olhão brings moderate temperatures, with highs of 18°C (64°F) and nights around 13°C (55°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Olhão in March
There are approximately 243 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Olhão in March
March 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 March
The water is 15°C (59°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If you prefer enjoying temperate temperatures and rain-free days, May, June, July, August, September and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 March
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Olhão typically stay consistent throughout March, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 12°C (54°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Olhão in March
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 March
Our historical data for Olhão spans 1992 to 2026, revealing these weather extremes.
- The hottest March day on record in Olhão reached 29°C (84°F) (March 23, 1992).
- On March 1, 2005, Olhão saw its coldest March day with temperatures maxing out at 9°C (48°F).
- The coldest night in March in Olhão was on March 1, 1993, with a minimum of 3°C (37°F).
Best Places in Portugal in March
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in March →
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What to Wear in Olhão in March
Comfortable temperatures call for an easy wardrobe in March. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Olhão in March
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.