Thornton, Colorado, experiences a semi-arid climate characterized by distinct seasonal variations. Understanding these patterns can help residents and visitors prepare for the year’s weather.
Temperature Trends
Throughout the year, temperatures in Thornton typically range from lows of 22°F to highs of 88°F. The warmest month is July, with average highs around 88°F and lows near 61°F. Conversely, December is the coldest month, averaging highs of 45°F and lows of 23°F.
Precipitation and Snowfall
Thornton receives an average annual precipitation of approximately 16 inches, with May being the wettest month, averaging 2.63 inches of rainfall. Snowfall is common from October through May, contributing to an average annual accumulation of about 46 inches.
Seasonal Highlights
- Spring (March to May): Temperatures gradually rise, with average highs increasing from 56°F in March to 72°F in May. This season also sees increased precipitation, particularly in May.
- Summer (June to August): Warm and mostly clear conditions prevail, with July being the hottest month. Average highs range from 83°F in June to 88°F in July.
- Autumn (September to November): Temperatures cool down, with average highs decreasing from 78°F in September to 53°F in November.
- Winter (December to February): Cold and snowy conditions dominate, with December being the coldest month. Average highs are around 45°F, and snowfall is common.
By understanding these climate patterns, residents and visitors can better prepare for Thornton’s diverse weather conditions throughout the year.