Region in Northern Portugal, Portugal
Douro Valley weather by month and the best time to visit
When to go to Douro Valley
Sep–Oct is harvest (vindima) and the prettiest. Apr–May is green and mild; Jul–Aug can pass 40°C. Winter is cool, foggy and quiet.
Douro Valley weather by month
Average daily high, rainfall and conditions.
- Jan12°139 mm
- Feb13°101 mm
- Mar16°118 mm
- Apr19°95 mm
- May23°60 mm
- Jun29°33 mm
- Jul34°13 mm
- Aug34°22 mm
- Sep30°47 mm
- Oct23°140 mm
- Nov16°135 mm
- Dec13°127 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 12°C54°F | 5°C40°F | 139 mm | 92% | Cool |
| February | 13°C56°F | 4°C40°F | 101 mm | 87% | Cool |
| March | 16°C62°F | 6°C44°F | 118 mm | 83% | Cool |
| April | 19°C67°F | 9°C48°F | 95 mm | 81% | Pleasant |
| May | 23°C74°F | 12°C53°F | 60 mm | 76% | Pleasant |
| June | 29°C84°F | 15°C59°F | 33 mm | 65% | Pleasant |
| July | 34°C93°F | 17°C63°F | 13 mm | 52% | Hot |
| August | 34°C94°F | 17°C63°F | 22 mm | 49% | Hot |
| September | 30°C86°F | 15°C59°F | 47 mm | 57% | Pleasant |
| October | 23°C73°F | 12°C53°F | 140 mm | 74% | Pleasant |
| November | 16°C60°F | 7°C45°F | 135 mm | 88% | Cool |
| December | 13°C55°F | 5°C41°F | 127 mm | 91% | 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 Douro Valley?
Apr–May, Sep–Oct. Sep–Oct is harvest (vindima) and the prettiest. Apr–May is green and mild; Jul–Aug can pass 40°C. Winter is cool, foggy and quiet.
When is the rainy season in Douro Valley?
Rain peaks in October with about 140 mm. No month averages 150 mm or more.
What is the hottest month in Douro Valley?
August, with average highs of 34°C (94°F).
How cold does Douro Valley get?
The coolest nights are in February, averaging 4°C (40°F).
More about Douro Valley
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Sources
- NASA POWER climatology (2001–2020)
- CP Comboios de Portugal: Linha do Douro
- Turismo do Porto e Norte
- Rede Expressos
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. Temperatures are adjusted by 3.6°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.