City in Northern Portugal, Portugal
Porto weather by month and the best time to visit
When to go to Porto
May–June and Sep–Oct are warm and dry. Jul–Aug is hot but mild by the coast; Nov–Mar is rainy. São João (23 June) is the biggest party.
Porto weather by month
Average daily high, rainfall and conditions.
- Jan13°138 mm
- Feb13°97 mm
- Mar15°112 mm
- Apr17°91 mm
- May19°60 mm
- Jun22°32 mm
- Jul24°13 mm
- Aug24°22 mm
- Sep23°49 mm
- Oct20°137 mm
- Nov16°137 mm
- Dec14°122 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 13°C55°F | 8°C46°F | 138 mm | 86% | Cool |
| February | 13°C56°F | 8°C46°F | 97 mm | 83% | Cool |
| March | 15°C59°F | 9°C48°F | 112 mm | 81% | Cool |
| April | 17°C62°F | 10°C51°F | 91 mm | 80% | Cool |
| May | 19°C67°F | 12°C54°F | 60 mm | 78% | Pleasant |
| June | 22°C72°F | 15°C58°F | 32 mm | 76% | Pleasant |
| July | 24°C75°F | 16°C60°F | 13 mm | 74% | Pleasant |
| August | 24°C76°F | 16°C61°F | 22 mm | 72% | Pleasant |
| September | 23°C74°F | 15°C60°F | 49 mm | 73% | Pleasant |
| October | 20°C68°F | 14°C57°F | 137 mm | 78% | Pleasant |
| November | 16°C60°F | 10°C51°F | 137 mm | 83% | Cool |
| December | 14°C56°F | 8°C47°F | 122 mm | 85% | Cool |
Best months across Portugal
| Place | Best months | Warmest month |
|---|---|---|
| Lisbon | Apr–Jun, Sep–Oct | Aug (23°C) |
| Porto | May–Jun, Sep–Oct | Aug (24°C) |
| Algarve | May–Jun, Sep–Oct | Jul (28°C) |
| Madeira | May–Jul, Sep–Oct | Aug (23°C) |
| Sintra | Apr–Jun, Sep–Oct | Aug (24°C) |
| Lagos | May–Jun, Sep–Oct | Aug (24°C) |
| Albufeira | May–Jun, Sep–Oct | Jul (28°C) |
| Cascais | May–Jul, Sep–Oct | Aug (23°C) |
| Azores | Jun–Sep | Aug (24°C) |
| Faro | Apr–Jun, Sep–Oct | Jul (28°C) |
| Ericeira | May–Jun, Sep–Oct | Aug (24°C) |
| Coimbra | Apr–Jun, Sep–Oct | Aug (34°C) |
| Douro Valley | Apr–May, Sep–Oct | Aug (34°C) |
| Évora | Mar–May, Oct–Nov | Aug (34°C) |
| Braga | May–Jun, Sep–Oct | Aug (31°C) |
| Aveiro | May–Jul, Sep–Oct | Aug (26°C) |
| Nazaré | May–Jun, Sep–Oct | Aug (22°C) |
| Silver Coast | May–Jun, Sep–Oct | Aug (22°C) |
| Tavira | May–Jun, Sep–Oct | Aug (28°C) |
Quick answers
What is the best month to visit Porto?
May–Jun, Sep–Oct. May–June and Sep–Oct are warm and dry. Jul–Aug is hot but mild by the coast; Nov–Mar is rainy. São João (23 June) is the biggest party.
When is the rainy season in Porto?
Rain peaks in January with about 138 mm. No month averages 150 mm or more.
What is the hottest month in Porto?
August, with average highs of 24°C (76°F).
How cold does Porto get?
The coolest nights are in February, averaging 8°C (46°F).
More about Porto
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.