Weather in Porto

Live weather and 7-day forecast for Porto, Portugal, followed by what to expect in each month of the year.

Sunrise 07:54 Sunset 18:45 Daylight 10h 51m Sun times →

Climate in Porto: month by month

Averaged over 2023–2025, the warmest month in Porto is August, with highs around 25 °C (77 °F) and lows around 17 °C (62 °F); the coolest is December, with highs around 14 °C (58 °F) and lows around 8 °C (46 °F).

Porto gets about 1,580 mm (62 in) of precipitation a year. The wettest month is January (268 mm over about 14 days) and the driest is August (6 mm).

Month	Avg high	Avg low	Precipitation (mm)	Wet days	Daylight
January	14°	8°	268	14	9h 32m
February	16°	8°	106	9	10h 38m
March	16°	9°	209	17	11h 54m
April	19°	11°	131	10	13h 18m
May	20°	13°	69	11	14h 29m
June	23°	16°	47	9	15h 7m
July	25°	16°	19	4	14h 52m
August	25°	17°	6	2	13h 51m
September	23°	15°	107	8	12h 30m
October	21°	15°	245	16	11h 9m
November	17°	12°	218	15	9h 54m
December	14°	8°	155	13	9h 14m

Averages of daily values from the ERA5 reanalysis for 2023–2025 at Porto's coordinates (model elevation 88 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.

Weather questions for Porto

What is the hottest month in Porto?

August, with average highs of 25 °C (77 °F) and lows of 17 °C (62 °F) over 2023–2025. The coolest month is December, averaging 14 °C (58 °F) by day and 8 °C (46 °F) at night.

What is the rainiest month in Porto?

January, with about 268 mm of precipitation on roughly 14 days. The driest month is August (6 mm), and the yearly total is around 1,580 mm.

When is the weather mildest in Porto?

Going by the averages, April–October are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. January is the month most likely to bring rain.

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About this forecast

The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Porto local time (Europe/Lisbon).