The maximum temperature in Hermosillo is on average 32°C over the year, with values generally ranging between 23°C in December and 39°C in June. About 545 mm of precipitation falls per year, with a minimum of 1 mm in May and a maximum of 155 mm in August.
The weather is pleasant to stay to Hermosillo in: January, February, March, April, May, June, July, September, October, November and December. However, the period when the weather is truly ideal is January, February, March, April, May, October, November and December.
For hiking and trekking, the best months are January, February, March, October, November and December.
In terms of crowd levels, the quietest periods are in June, July and August, while crowding is high in November, December and October. For the budget, the months when prices are relatively low are June, July and August and the highest are January, February and March.
