Channel Islands National Park vs San Diego: which is better, month by month

Channel Islands National Park beats San Diego in 4 of 12 months — its lead peaks in January (79 vs 70) — and they are within 3 points in March to October.

Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Channel Islands National Park

🇺🇸 United States · arid climate

Best month
June 90/100
Months won
4 of 12

San Diego

🇺🇸 United States · arid climate

Best month
August 93/100
Months won
0 of 12

Channel Islands National Park vs San Diego — all 12 months

MonthChannel Islands National ParkSan DiegoWinnerGap
January79Bcool, a little rain, clean air70Bnice, a little rain, muggy airChannel Islands National Park9
February81Acool, a little rain, clean air74Bnice, a little rainChannel Islands National Park7
March81Acool, a little rain, clean air78Bnice, a little rain, muggy airTie3
April86Acool, dry, clean air83Anice, dry, muggy airTie3
May88Acool, dry, clean air85Anice, dry, clean airTie3
June90Snice, dry, clean air87Awarm, dry, clean airTie3
July90Snice, dry, clean air92Swarm, dry, muggy airTie2
August90Snice, dry, clean air93Shot, dry, muggy airTie3
September89Anice, dry, clean air91Swarm, dry, muggy airTie2
October89Anice, dry, clean air89Awarm, dryTie0
November85Acool, a little rain, clean air79Bnice, dryChannel Islands National Park6
December79Bcool, a little rain, clean air71Bnice, a little rain, muggy airChannel Islands National Park8

A month is a tie when the two are within 3 points. The widest gap is January (79 vs 70). Tap a month for that month's temperature, rain, humidity and air quality side by side.