Lisbon weather by month & the best time to visit
Portugal · major city break · Mediterranean climate
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The best time to visit Lisbon is July — its sunniest month (Sunshine Score 96/100), with August and June close behind. Lisbon averages about 2,985 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 4 mm of rain in July.
When is the best time to visit Lisbon?
For sunshine, the best time to visit Lisbon is July, then August and June. The dullest month is January (42/100, 73 mm of rain). The full month-by-month picture is in the table below.
How sunny is Lisbon?
Lisbon gets a lot of sun: around 2,985 hours a year. 54 Sunshine Score points separate July (96) from January (42), so the month you pick matters. It ranks #3 of 19 destinations in Portugal for annual sunshine, above the national median of 2,683 hours. Rain has a clear season: the wettest stretch, around November, carries about 42% of the annual 576 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 42 | 14° / 57°F | 9° / 48°F | 73 mm | 2 | 15° / 59°F |
| February | 43 | 14° / 57°F | 8° / 46°F | 53 mm | 3 | 16° / 61°F |
| March | 57 | 16° / 61°F | 10° / 50°F | 63 mm | 5 | 15° / 59°F |
| April | 65 | 17° / 63°F | 11° / 52°F | 58 mm | 6 | 17° / 63°F |
| May | 90 | 20° / 68°F | 13° / 55°F | 34 mm | 8 | 18° / 64°F |
| June | 94 | 22° / 72°F | 15° / 59°F | 13 mm | 8 | 19° / 66°F |
| July | 96 | 23° / 73°F | 16° / 61°F | 4 mm | 9 | 20° / 68°F |
| August | 95 | 24° / 75°F | 16° / 61°F | 8 mm | 8 | 20° / 68°F |
| September | 92 | 23° / 73°F | 16° / 61°F | 26 mm | 6 | 18° / 64°F |
| October | 81 | 21° / 70°F | 14° / 57°F | 84 mm | 4 | 19° / 66°F |
| November | 60 | 17° / 63°F | 11° / 52°F | 93 mm | 2 | 18° / 64°F |
| December | 42 | 14° / 57°F | 9° / 48°F | 67 mm | 2 | 16° / 61°F |
Sea temperature in Lisbon by month
The sea off Lisbon is warmest in July at around 20°C / 68°F, and coolest in January at 15°C / 59°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Lisbon compares month by month: Lisbon vs Porto · Lisbon vs Seville · Lisbon vs Faro · all comparisons
Lisbon: questions and answers
What kind of destination is Lisbon?
Lisbon is a major city break in Portugal with a Mediterranean climate — the sea reaches 20°C at its warmest.
How many hours of sunshine does Lisbon get a year?
Lisbon gets about 2,985 hours of sunshine a year, at its best around July.
When is the best time to visit Lisbon?
The sunniest time to visit Lisbon is July, when the Sunshine Score peaks at 96/100 (with August and June close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Lisbon?
January is the least sunny month in Lisbon, scoring 42/100 with about 73 mm of rain.
What is the sea temperature in Lisbon?
The sea in Lisbon ranges from about 15°C (January) to 20°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Lisbon?
The typical midday UV index in Lisbon peaks around 9 (very high) in July, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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