Hermosillo, Sonora, Mexico climate
Average temperatures, precipitation and all-time records for Hermosillo, Sonora, Mexico, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is June, averaging a high of 40°C, and its coldest is January, with an average low of 10°C.
Hermosillo, formerly called Pitic, is the capital and largest city of the northwestern Mexican state of Sonora, and the municipal seat of the Hermosillo municipality. It also is the primary economic center for the state and the region. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Hermosillo, Sonora, Mexico's own ±7-day seasonal distribution.
Hermosillo average temperatures by month
Typical daily high and low, and average precipitation, for each month in Hermosillo, Sonora, Mexico, based on 1981–2026 records. The wettest month is July (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 24°C | 10°C | 0 mm |
| February | 26°C | 11°C | 0 mm |
| March | 29°C | 12°C | 0 mm |
| April | 33°C | 15°C | 0 mm |
| May | 36°C | 18°C | 0 mm |
| June | 40°C | 23°C | 0 mm |
| July | 38°C | 26°C | 3 mm |
| August | 37°C | 26°C | 3 mm |
| September | 37°C | 24°C | 3 mm |
| October | 34°C | 19°C | 0 mm |
| November | 29°C | 14°C | 0 mm |
| December | 24°C | 10°C | 0 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 49°C on 2014-06-03
- Coldest day on record: -1°C on 2013-01-15
Percentiles compare each day to Hermosillo, Sonora, Mexico's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →