UNESCO World Heritage Sites in Portugal

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6 UNESCO sites·2 regions·best time: May – Oct·updated 15.10.2026

6 UNESCO World Heritage sites in Portugal that we have visited and put on the map, ranked by our readers: Pena Palace in Sintra, Porto Cathedral (Sé do Porto) and Belém Tower (Torre de Belém) and more. Best time to visit: May–October.

UNESCO sites in Portugal on the map

Numbers match the ranking above. Click a pin to open the place.

Best time to visit UNESCO sites in Portugal

When sightseeing is most pleasant: comfortable 18–26 °C daytime temperatures and more dry days. Averaged over the places on this page.

Best: May – OctGood: Apr, NovCold or rainy: Dec – Mar
Jan12° / 7°☀ 21 · ☂ 10
Feb13° / 7°☀ 20 · ☂ 8
Mar14° / 8°☀ 20 · ☂ 11
Apr16° / 9°☀ 19 · ☂ 11
May18° / 11°☀ 24 · ☂ 7
Jun20° / 13°☀ 23 · ☂ 7
Jul22° / 15°☀ 29 · ☂ 2
Aug23° / 15°☀ 30 · ☂ 1
Sep22° / 14°☀ 25 · ☂ 5
Oct19° / 13°☀ 20 · ☂ 10
Nov15° / 10°☀ 18 · ☂ 12
Dec13° / 8°☀ 20 · ☂ 10
BestGoodVery hot (27 °C+)Cold or rainyThis month

ERA5 climate data 2015–2024 (Open-Meteo, CC BY 4.0), averaged for the places on this page.

More to explore

All places in Portugal 21 →All UNESCO sites 181