Portugal · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Porto are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
Porto sees its warmest weather in August, when daytime highs average around 25°C, and its coolest in January (around 13°C).
Annual precipitation totals roughly 1470mm — December is typically the wettest month (~228mm) and July the driest (~24mm).
A distinctly wetter period runs from October to April — worth planning around if you prefer dry days.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 13° / 7°C | 173mm | ⚠️ Challenging |
| February | 13° / 7°C | 128mm | 🤔 Fair |
| March | 16° / 9°C | 111mm | 🤔 Fair |
| April | 17° / 10°C | 141mm | 🤔 Fair |
| May | 19° / 13°C | 107mm | 👍 Good |
| June | 22° / 16°C | 53mm | 🌟 Great |
| July | 25° / 17°C | 24mm | 🌟 Great |
| August | 25° / 18°C | 36mm | 🌟 Great |
| September | 23° / 17°C | 87mm | 🌟 Great |
| October | 19° / 14°C | 186mm | 🤔 Fair |
| November | 16° / 11°C | 196mm | ⚠️ Challenging |
| December | 13° / 8°C | 228mm | ⚠️ Challenging |
January in Porto is chilly, with average daytime highs around 13°C (55°F) and nighttime lows near 7°C (45°F). Expect roughly 173mm of precipitation, and this is one of the wetter months.
🎒 What to pack — jacket or coat · long-sleeve layers · compact umbrella or rain jacket
February in Porto is chilly, with average daytime highs around 13°C (56°F) and nighttime lows near 7°C (45°F). Expect roughly 128mm of precipitation, and this is one of the wetter months.
🎒 What to pack — jacket or coat · long-sleeve layers · compact umbrella or rain jacket
March in Porto is mild, with average daytime highs around 16°C (60°F) and nighttime lows near 9°C (48°F). Expect roughly 111mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket
April in Porto is mild, with average daytime highs around 17°C (62°F) and nighttime lows near 10°C (50°F). Expect roughly 141mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket
May in Porto is mild, with average daytime highs around 19°C (66°F) and nighttime lows near 13°C (55°F). Expect roughly 107mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
June in Porto is pleasantly warm, with average daytime highs around 22°C (72°F) and nighttime lows near 16°C (60°F). Expect roughly 53mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
July in Porto is pleasantly warm, with average daytime highs around 25°C (76°F) and nighttime lows near 17°C (63°F). Expect roughly 24mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
August in Porto is pleasantly warm, with average daytime highs around 25°C (77°F) and nighttime lows near 18°C (64°F). Expect roughly 36mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
September in Porto is pleasantly warm, with average daytime highs around 23°C (74°F) and nighttime lows near 17°C (62°F). Expect roughly 87mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
October in Porto is pleasantly warm, with average daytime highs around 19°C (67°F) and nighttime lows near 14°C (57°F). Expect roughly 186mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
November in Porto is mild, with average daytime highs around 16°C (60°F) and nighttime lows near 11°C (51°F). Expect roughly 196mm of precipitation, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket
December in Porto is chilly, with average daytime highs around 13°C (56°F) and nighttime lows near 8°C (47°F). Expect roughly 228mm of precipitation, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — jacket or coat · long-sleeve layers · compact umbrella or rain jacket