Pack or skip
Insect repellent for San Diego in March
Verdict
Pack it
Warm (68°F) plus 6 rainy days = mosquito conditions.
Why
San Diego in March averages highs of 68°F, lows of 54°F, 6 rainy days.
That climate means insect repellent earns its space in the bag. Warm (68°F) plus 6 rainy days = mosquito conditions.