Porto weather by month & the best time to visit
🇵🇹 Portugal · city break · Mediterranean climate
The best time to visit Porto is July — its sunniest month (Sunshine Score 92/100), with August and June close behind. Porto averages about 2,694 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 13 mm of rain in July.
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- Sun hours / year
- 2,694
- Sunniest month
- July
- Peak score
- 92/100
- Rain / year
- 1,010 mm
- Midday UV at peak
- 8 (very high)
- Sea at warmest
- 18°C / 64°F
- Population
- 1.3M
- Elevation
- 55 m
When is the best time to visit Porto?
For sunshine, the best time to visit Porto is July, then August and June. The dullest month is January (29/100, 138 mm of rain). The full month-by-month picture is in the table below.
How sunny is Porto?
Porto gets a lot of sun: around 2,694 hours a year. 63 Sunshine Score points separate July (92) from January (29), so the month you pick matters. It ranks #9 of 19 destinations in Portugal for annual sunshine, above the national median of 2,683 hours. The year's 1,010 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 29 | 13° / 55°F | 8° / 46°F | 138 mm | 1 | 14° / 57°F |
| February | 39 | 14° / 57°F | 8° / 46°F | 97 mm | 2 | 14° / 57°F |
| March | 43 | 15° / 59°F | 9° / 48°F | 112 mm | 4 | 15° / 59°F |
| April | 59 | 17° / 63°F | 11° / 52°F | 91 mm | 5 | 16° / 61°F |
| May | 77 | 19° / 66°F | 13° / 55°F | 60 mm | 7 | 16° / 61°F |
| June | 89 | 22° / 72°F | 15° / 59°F | 32 mm | 8 | 17° / 63°F |
| July | 92 | 24° / 75°F | 16° / 61°F | 13 mm | 8 | 18° / 64°F |
| August | 91 | 25° / 77°F | 16° / 61°F | 22 mm | 7 | 16° / 61°F |
| September | 86 | 24° / 75°F | 16° / 61°F | 49 mm | 6 | 15° / 59°F |
| October | 70 | 20° / 68°F | 14° / 57°F | 137 mm | 3 | 18° / 64°F |
| November | 46 | 16° / 61°F | 11° / 52°F | 137 mm | 2 | 17° / 63°F |
| December | 36 | 14° / 57°F | 9° / 48°F | 122 mm | 1 | 15° / 59°F |
Sea temperature in Porto by month
The sea off Porto is warmest in July at around 18°C / 64°F, and coolest in January at 14°C / 57°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Porto on the interactive sunshine globe →
Nearby places for sunshine
- Vigo Spain · 109 km · best in Jul · 2,384 h sun/yr
- Santiago de Compostela Spain · 185 km · best in Jul · 2,387 h sun/yr
- A Coruña Spain · 230 km · best in Jul · 2,186 h sun/yr
- Lisbon Portugal · 277 km · best in Jul · 2,985 h sun/yr
- Asturias Spain · 337 km · best in Jul · 2,044 h sun/yr
- Madrid Spain · 438 km · best in Jun · 2,989 h sun/yr
Nearest destinations
- Vila Real Portugal · 80 km · 2,697 h sun/yr · best in Jul
- Viseu Portugal · 88 km · 2,860 h sun/yr · best in Jul
- Bragança Portugal · 178 km · 2,843 h sun/yr · best in Jul
Head-to-head
How Porto compares month by month: Porto vs Lisbon · Porto vs Vigo · Porto vs A Coruña · Porto vs Santiago de Compostela · all comparisons
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