San Carlos is located on the Sea of Cortez in the middle of the Sonoran desert. The dry, desert heat gives San Carlos warm temperatures throughout the year. The cool sea breezes cool down the town in the hottest of months. Rainfall average is less than 10 inches a year and the majority of it falls in July and August (between 3-4 inches each month).
Average Air & Water Temperatures
Month |
Air |
Water |
January |
73F |
63F |
February |
73F |
64F |
March |
77F |
67F |
April |
83F |
72F |
May |
85F |
77F |
June |
91F |
85F |
July |
94F |
89F |
August |
95F |
89F |
September |
94F |
87F |
October |
88F |
80F |
November |
81F |
71F |
December |
78F |
65F |
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