chilling (comparative more chilling, superlative most chilling) 1  Becoming cold. 2  Causing cold. 3  Causing mild fear.
Tucson, Arizona, gets 12 inches of rain per year. The US average is 39. Snowfall is 0 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 31.
Average Temperatures and Precipitation. Summer visitors can expect average high/low temperatures of 86/49 in June, 89/57 in July, 82/49 in August and 82/49 in September. Summer rains, like the rest of Arizona, is highest in July and August, with 2 - 4 inches of rain each month.