Pórto Chéli, Greece February average sea temperature. Be prepared with the most accurate 10-day forecast for Porto, Porto, Portugal with highs, lows, chance of precipitation from The Weather Channel and Weather.com The average sea surface temperature in February 2020 for Porto Santo Island was 67.5°F.The maximum and minimum values were 66.6°F and 68.4°F respectively. In Porto, the summers are comfortable, dry, and mostly clear and the winters are cold, wet, and partly cloudy. The amount of rain in February is normal with an average of 43mm (1.7in). Information about regional climates. The average maximum temperature lies around 17.0°C (62.6°F). The average sea surface temperature in February 2020 for Porto was 56.7°F.The maximum and minimum values were 55.8°F and 57.6°F respectively. Over the course of the year, the temperature typically varies from 43°F to 76°F and is rarely below 34°F or above 87°F.. Based on the tourism score, the best time of year to visit Porto for warm-weather activities is from mid June to early September. Weather in Porto in February: air temperature, number of sunny days, precipitation, air pressure and humidity. Montly weather forecast in Porto on Yandex.Weather. Average monthly temperatures in Porto (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 13.3: 14.2: 16: 17.5: 19.6: 22.7: 24.8: 25 Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit. ☂ Online precipitation map and other weather maps. Weather forecast in mobile app. This month generally has very pleasant temperatures. The average minimum temperature (usually the minimum temperature is noted during the night) in Porto Santo in February is 13.0°C (55.4°F). Weather ☀ ⛅ Madeira ☀ ⛅ February ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in February for Madeira.