Pack or skip
Beanie for Lisbon in August
Verdict
Skip it
Lows near 65°F — no scenario where you'll want one.
Why
Lisbon in August averages highs of 84°F, lows of 65°F, 1 rainy days.
That climate means a beanie isn't pulling its weight. Lows near 65°F — no scenario where you'll want one.