Portimão, Algarve weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Poor
Best time to visit: June – September
What is the weather like in Portimão, Algarve in March?
In March, Portimão, Algarve is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 15.3 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 9 days, adding up to 64 mm. All in all, March is not an ideal month for a holiday in Portimão, Algarve.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 31 | 31 | 42 |
| Day | 17° | 19° | 20° |
| Night | 9° | 11° | 12° |
| Sea | 15° | 15° | 16° |
| Sun | 8 h | 8 h | 9 h |
| Rain days | 7 | 9 | 8 |
More details for March
- Daylight
- 11 h 54 min06:47 – 18:41
- UV index
- 6 · highclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 22 km/haverage daily peak
- Cloud cover
- 50 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+0Europe/Lisbon
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %88 %
- Few rainy daysweight 20 %67 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in March
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Portimão, Algarve in March: quick answers
Is Portimão, Algarve hot in March?
No. In March, Portimão, Algarve is mild: daytime highs average 19 °C and nights drop to about 11 °C.
Can you swim in Portimão, Algarve in March?
Only if you don't mind cold water: in March the sea averages just 15.3 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Portimão, Algarve in March?
Rain falls on about 9 days, adding up to 64 mm.
Portimão, Algarve month by month
The whole year in Portimão, AlgarveAll destinations: Portugal
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)