Olhão Weather in April
April in Olhão typically sees daytime highs of 19°C (66°F) and nighttime lows of 13°C (55°F). Expect some rainfall during the month.
Rainfall in Olhão in April
You can expect rain on roughly 10 days based on historical data, averaging 47 mm (1.9 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Olhão in April
April in Olhão brings pleasant temperatures, with highs of 19°C (66°F) and nights around 13°C (55°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Olhão in April
The days are predominantly sunny, with an estimated total of around 355 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Olhão in April
April sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.
Average water temperature in April
The water is 16°C (61°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 April
Min Temperature
13°C (55°F)
Max Temperature
19°C (66°F)
Water Temperature
16°C (61°F) *
Chance of Rain
32%
Precipitation
47 mm (1.9 in)
Rainy days
10 days
Humidity
68% *
Windspeed
4 m/s (8 knots) *
Sunshine
355 hours *
Percentage Sunshine
64% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Olhão typically stay consistent throughout April, with daily highs averaging around 19°C (66°F). Nights are cool, with lows around 12°C (54°F).
Average temperatures in April
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 April
Historical weather for Olhão in April
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 April
The extremes listed below come from historical weather data collected in Olhão from 1983 through 2026.
- The hottest April day on record in Olhão reached 30°C (86°F) (April 28, 1992).
- On April 3, 1989, Olhão saw its coldest April day with temperatures maxing out at 12°C (54°F).
- The coldest night in April in Olhão was on April 13, 1986, with a minimum of 5°C (41°F).
Best Places in Portugal in April
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in April →
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What to Wear in Olhão in April
Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 16°C (61°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Olhão in April
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.
