It was also the second-hottest month measured, behind only July 2023. Worldwide, last month was the hottest August ever recorded, according to the World Meteorological Organization. The sweltering summer of 2023 has seen a historic heat wave stretching from Texas across New Mexico and Arizona and into California’s desert. The previous record of 18 straight days was set in 1974. In July, Phoenix also set a record with a 31-day streak of highs at or above 110 F (43.3 C). The average daily temperature was 102.7 F (39.3 C) in July, National Weather Service meteorologist Matt Salerno said, and the daily average in August was 98.8 F (37.1 C). Rainfall amounts across the metro during the first three months of the hydrologic water year has ranged from 1.10' to 3.50'. Long range weather outlook for Tucson includes 14 day forecast summary: For Tucson in the coming two weeks the average daytime maximum temperature will be around 35☌, with a high for the two weeks of 37☌ expected on the afternoon of Sunday 17th. The daily average temperature of 97 F (36.1 C) in June, July and August passed the previous record of 96.7 F (35.9 C) set three years ago. The Tucson International airport, which is the official recording spot in Tucson, recorded 1.27' which is around a third of an inch above normal and ranks as the 37th wettest December on record.

Phoenix experienced the hottest three months since record-keeping began in 1895, including the hottest July and the second-hottest August.

Tucson forecast