Pack or skip
Insect repellent for Barcelona in October
Verdict
Pack it
Warm (73°F) plus 7 rainy days = mosquito conditions.
Why
Barcelona in October averages highs of 73°F, lows of 61°F, 7 rainy days.
That climate means insect repellent earns its space in the bag. Warm (73°F) plus 7 rainy days = mosquito conditions.