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Phoenix vs San Diego

Detailed weather comparison to help you match your travel dates with the perfect climate.

Phoenix

United States

Avg High30°C
Best MonthsFeb, Mar, Nov

San Diego

United States

Avg High21°C
Best MonthsMay, Jun, Jul

Monthly Weather Comparison

MonthPhoenix TempSan Diego TempPhoenix RainSan Diego Rain
Jan19°C17°C
8%
14%
Feb21°C17°C
10%
16%
Mar25°C18°C
8%
16%
Apr30°C19°C
2%
7%
May34°C20°C
1%
3%
Jun40°C22°C
1%
0%
Jul41°C24°C
7%
0%
Aug40°C25°C
8%
1%
Sep37°C25°C
8%
3%
Oct31°C23°C
5%
3%
Nov24°C21°C
5%
8%
Dec19°C18°C
8%
11%

When to choose Phoenix?

  • If you prefer 30°C average peaks
  • Great for visiting in: Feb, Mar, Nov

When to choose San Diego?

  • If you prefer 21°C average peaks
  • Great for visiting in: May, Jun, Jul