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.
Spring and autumn are pleasant seasons in Tucson, with plenty of warm, dry weather and temperatures can reach around 27Â° / 80Â°F. Winter in Tucson is a warm season, with December and January being the coolest months of the year, when daytime temperatures are around 18Â°C / 64Â°, but temperatures can drop to 4Â°C / 39Â°F. Tucson's annual average precipitation is 30 cm / 12 inches. Tucson Weather and Climate Chart (Averages)