Lisbon vs Rio de Janeiro
Re-score for me — drag the dial — every chart recolours live for your heat & sea limits 27°C · sea 29°C
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
Sea feels bathtub at 29°C
26° strict 31° tolerant
Default 29 °C is the Beach Climate Index "bathtub" line (Morgan et al.) — where the sea stops being refreshing and starts feeling like a warm bath.
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Lisbon peaks in May, June, August (annual avg 8.4/10). Rio de Janeiro peaks in July, June, May (annual avg 6.1/10).
Lisbon upper vs Rio de Janeiro lower
Lisbon — sea
RecentNov 2022 – Dec 2024
peak June20°C
JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro — sea
RecentNov 2022 – Dec 2024
peak February27°C
JanFebMarAprMayJunJulAugSepOctNovDec