Pack or skip
Sunscreen for Fresno in January
Verdict
Pack it
Sun still finds you at 55°F — UV doesn't care about temperature.
Why
Fresno in January averages highs of 55°F, lows of 38°F, 6 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 55°F — UV doesn't care about temperature.