Temperature
Very hot by day, warm at night.
Not the best time: Very hot afternoons and late-day mugginess are the main limitations.

Very hot by day, warm at night.
Several rainy days, mostly brief and on-and-off. About 7 wet days, more than in most months.
Plenty of sun this month.
Hot days with humid stretches.
In July, afternoons feel about 102° and nights feel near 87°.
Partly cloudy skies this month.
Calm winds are typical in July.
July late afternoons are around 100°F, easing to about 94°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 77 | 49 | 0.5 | 2 | 9.7 | 47 |
| Feb | 79 | 51 | 0.6 | 2 | 10.1 | 45 |
| Mar | 85 | 55 | 0.3 | 1 | 11.1 | 38 |
| Apr | 91 | 59 | 0.1 | 0 | 12.4 | 32 |
| May | 97 | 65 | 0.0 | 0 | 13.0 | 30 |
| Jun | 103 | 75 | 0.1 | 1 | 13.0 | 36 |
| Jul | 102 | 81 | 1.6 | 7 | 12.3 | 52 |
| Aug | 101 | 81 | 2.0 | 10 | 12.2 | 58 |
| Sep | 99 | 77 | 2.0 | 7 | 11.3 | 59 |
| Oct | 94 | 67 | 0.8 | 2 | 10.8 | 48 |
| Nov | 84 | 56 | 0.5 | 2 | 9.8 | 47 |
| Dec | 75 | 48 | 0.7 | 2 | 9.3 | 49 |
Similar climates
Want a side-by-side climate view? Compare Hermosillo with Dubai.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 26, 2026
Data & methodology