Much like the rest of the southwest, the climate in Peñasco is characterized by average temps in the 50-100 degree range, depending on season, and is marked by seasonal storms and high-weather seasons.
The Sonoran region in general – being a desert situated next to an ocean/source of humidity, yet pockmarked with areas of high elevation change – is characterized by temperature swings that can make the nights unseasonably cold compared to the day’s blistering heat.
From January to May – ‘Spring’ – you can expect an average of 60-80 degrees Fahrenheit.
From May to August – ‘Summer’ – you can expect 80 to 105 degrees Fahrenheit. Summer days can be uncomfortably hot as the humid air and heat combine into a sweltering climate.
From August to Dec – ‘Fall/Winter’ – you can expect 60-75 an average degrees Fahrenheit, with rain more likely during this stretch of the year.
The Sonoran region’s summer rains are typically short and heavy – ‘monsoons’ that can wash out desert roads and uproot trees. Winter rains tend to be longer, lighter, more widespread and less dangerous.