There is great fluctuation in temperature from winter to summer in Denver. January is the coldest month and averages a low of 15.2 F and a high of 43.2 F. July is the warmest months with an average low of 58.7 F and a high average of 88.0 F. The year-round average temperature for Denver is 49.7 F.
Precipitation levels in Denver are highest in sping and May is the highest month with an average 2.6 inches. The lowest precipitation falls in January which sees 0.63 inches on average. The total average precipitation for the year of 2009 was 18.12 inches.
Possible Sunshine is the amount of sun visible during the daylight hours. Denver's average for possible sunshine for 2009 was 62 percent with 71 cloudy days. The least possible sunshine takes place in the months of November and May each of which have 64 percent. The most possible sunshine occurs in September which has 74 percent.
