Portugal · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Lisbon are June, July and September, when daytime temperatures are agreeable and rainfall is relatively low.
Lisbon sees its warmest weather in August, when daytime highs average around 26°C, and its coolest in January (around 14°C).
Annual precipitation totals roughly 738mm — December is typically the wettest month (~121mm) and July the driest (~5mm).
A distinctly wetter period runs from November to December — 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 | 14° / 9°C | 91mm | 🤔 Fair |
| February | 15° / 9°C | 74mm | 👍 Good |
| March | 17° / 10°C | 56mm | 👍 Good |
| April | 17° / 11°C | 70mm | 👍 Good |
| May | 20° / 13°C | 49mm | 🌟 Great |
| June | 23° / 16°C | 16mm | 🌟 Great |
| July | 26° / 18°C | 5mm | 🌟 Great |
| August | 26° / 18°C | 6mm | 🌟 Great |
| September | 24° / 17°C | 33mm | 🌟 Great |
| October | 21° / 15°C | 100mm | 🌟 Great |
| November | 17° / 12°C | 118mm | 👍 Good |
| December | 15° / 10°C | 121mm | 🤔 Fair |
January in Lisbon is chilly, with average daytime highs around 14°C (57°F) and nighttime lows near 9°C (47°F). Expect roughly 91mm of precipitation, with a moderate amount of rain.
🎒 What to pack — jacket or coat · long-sleeve layers
February in Lisbon is mild, with average daytime highs around 15°C (58°F) and nighttime lows near 9°C (48°F). Expect roughly 74mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
March in Lisbon is mild, with average daytime highs around 17°C (62°F) and nighttime lows near 10°C (51°F). Expect roughly 56mm of precipitation, with little rainfall.
🎒 What to pack — light jacket · layers for cool evenings
April in Lisbon is mild, with average daytime highs around 17°C (63°F) and nighttime lows near 11°C (53°F). Expect roughly 70mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
May in Lisbon is pleasantly warm, with average daytime highs around 20°C (67°F) and nighttime lows near 13°C (56°F). Expect roughly 49mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
June in Lisbon is pleasantly warm, with average daytime highs around 23°C (74°F) and nighttime lows near 16°C (61°F). Expect roughly 16mm of precipitation, and rain is rare.
🎒 What to pack — light layers · comfortable walking shoes
July in Lisbon is warm, with average daytime highs around 26°C (78°F) and nighttime lows near 18°C (64°F). Expect roughly 5mm of precipitation, and rain is rare.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
August in Lisbon is warm, with average daytime highs around 26°C (79°F) and nighttime lows near 18°C (65°F). Expect roughly 6mm of precipitation, and rain is rare.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
September in Lisbon is pleasantly warm, with average daytime highs around 24°C (76°F) and nighttime lows near 17°C (63°F). Expect roughly 33mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
October in Lisbon is pleasantly warm, with average daytime highs around 21°C (69°F) and nighttime lows near 15°C (59°F). Expect roughly 100mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
November in Lisbon is mild, with average daytime highs around 17°C (63°F) and nighttime lows near 12°C (54°F). Expect roughly 118mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket
December in Lisbon is mild, with average daytime highs around 15°C (58°F) and nighttime lows near 10°C (50°F). Expect roughly 121mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket