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Best Time to Visit Portugal — Porto
Climate based on Porto • 2015–2024
The best overall weather in Portugal — Porto is in August, with average highs around 25°C. The single best 14-day window: Aug 10 - Aug 23. The hottest month is August (25°C highs) and the coolest is January (14°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
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Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Aug 10 - Aug 23
14-day window • Avg 21°C • Warm
Alternative 1
Jul 6 - Jul 19
14-day window • Avg 21°C • Comfortable
Alternative 2
Aug 31 - Sep 13
14-day window • Avg 21°C • Comfortable
Month-by-month breakdown
January
Fresh10°Cavg
- 14°C / 7°C
- 162mm total
- 6.6h sun/day
February
Fresh11°Cavg
- 15°C / 8°C
- 118mm total
- 7.9h sun/day
March
Fresh12°Cavg
- 16°C / 9°C
- 147mm total
- 9.0h sun/day
April
Fresh14°Cavg
- 18°C / 10°C
- 135mm total
- 10.7h sun/day
May
Comfortable16°Cavg
- 20°C / 13°C
- 85mm total
- 11.8h sun/day
June
Comfortable18°Cavg
- 22°C / 15°C
- 51mm total
- 13.0h sun/day
July
Comfortable21°Cavg
- 24°C / 17°C
- 13mm total
- 13.4h sun/day
August
Comfortable21°Cavg
- 25°C / 17°C
- 14mm total
- 12.1h sun/day
September
Comfortable20°Cavg
- 24°C / 16°C
- 68mm total
- 10.8h sun/day
October
Comfortable17°Cavg
- 21°C / 14°C
- 183mm total
- 8.1h sun/day
November
Fresh14°Cavg
- 17°C / 11°C
- 166mm total
- 6.8h sun/day
December
Fresh12°Cavg
- 15°C / 9°C
- 182mm total
- 6.4h sun/day
Plan your trip to Portugal — Porto
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