July weather forecast
Colorado, USA

July is typically the warmest month of the year in Colorado, with temperatures soaring across various regions of the state. In the Eastern Plains, temperatures may range from 60°F (15.6°C) to 90°F (32.2°C), with occasional days exceeding this range, particularly in lower elevation areas.

Cities including Fort Collins and Pueblo often experience hot days, and it's not uncommon for Bennett to reach its highest temperatures during this month, with a record of 118°F (47.8°C) on July 11, 1888. Even in the mountains, July brings milder temperatures, allowing for a wide array of outdoor activities.

Thunderstorms continue to be a regular occurrence in July, particularly in the afternoons. These storms can bring brief but intense rainfall, a welcome relief from the heat. In the plains, the combination of high temperatures and sporadic rainfall contributes to the semi-arid climate classification.

While snowfall becomes a rarity, even in the highest elevations, the state's rivers and lakes remain at enjoyable levels for water-based recreation.

July's weather embodies the peak of summer in Colorado, with hot, dry conditions dominating the landscape. Thunderstorms add a touch of variability, and the blend of warmth and occasional rain supports the state's diverse ecology. The contrast between the sweltering days and cooler nights is a defining feature of this month, reflecting the broad climatic diversity that characterizes Colorado.

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• Denver - July »
  Hence, Denver's July weather contrasts between sunny afternoons and refreshing showers, giving residents and visitors a balanced summer experience. 
 
 Denver registers the highest average temperatures during the month of July, with peaks of 84.4°F (29.1°C) and lows of 59.2°F (15.1°C). June and July, with an average maximum UV index of 6, are months with the highest UV index in Denver, Colorado.
• Colorado Springs - July »
  July is the month that records the highest temperatures in Colorado Springs with averages ranging from a high of 78.6°F (25.9°C) to a low of 54.7°F (12.6°C). July, on average, is the warmest month in Colorado Springs, registering a high temperature of 78.6°F (25.9°C) and a low of 54.7°F (12.6°C).
• Aurora - July »
  In Aurora in July, during 14.1 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. With average high and low temperatures of 86.5°F (30.3°C) and 61°F (16.1°C) respectively, July is Aurora's warmest month.
• Fort Collins - July »
  July is the warmest month of the year in Fort Collins, Colorado, registering average temperatures as high as 82.9°F (28.3°C) and as low as 56.8°F (13.8°C). Fort Collins's warmest month, July, generally records average temperatures ranging from a high of 82.9°F (28.3°C) to a low of 56.8°F (13.8°C).
• Boulder - July »
  Boulder's temperatures peak on average in July, reaching 80.4°F (26.9°C) at their highest and 55.2°F (12.9°C) at their lowest. On the first day of July in Boulder sunrise is at 5:35 am and sunset at 8:34 pm.
• Pueblo - July »
  The month with the most rainfall in Pueblo is July, when the rain falls for 14 days and typically aggregates up to 1.81" (46mm) of precipitation. Temperature records in Pueblo mark July as the warmest month, with highs averaging 89.2°F (31.8°C) and lows at 66.7°F (19.3°C).
• Greeley - July »
  In Greeley, July is the month with the highest recorded average temperatures, measuring a high of 89.1°F (31.7°C) and a low of 62.1°F (16.7°C). In July, the average relative humidity in Greeley is 46%.
• Longmont - July »
  Longmont witnesses the warmest weather in July, with temperatures averaging a high of 85.6°F (29.8°C) and a low of 59.2°F (15.1°C). In Longmont, during July, the rain falls for 16 days and regularly aggregates up to 1.54" (39mm) of precipitation.
• Grand Junction - July »
  July, with its average high-temperature of 86.9°F (30.5°C) and an average low-temperature of 60.4°F (15.8°C), holds the record as the warmest month in Grand Junction. The average temperatures in Grand Junction reach their apex in July, averaging 86.9°F (30.5°C) at the high end and 60.4°F (15.8°C) at the low end.
• Broomfield - July »
  July and August, with an average maximum UV index of 6, are months with the highest UV index in Broomfield, Colorado. July, characterized by an average high temperature of 85.5°F (29.7°C) and a low temperature of 59°F (15°C), is generally the warmest month in Broomfield.
• Castle Rock - July »
  The months with the highest UV index in Castle Rock are June and July, with an average maximum UV index of 6. In Castle Rock in July, it is raining for 15.1 days, with typically 1.93" (49mm) of accumulated precipitation.
• Commerce City - July »
  Temperature records in Commerce City mark July as the warmest month, with highs averaging 88.3°F (31.3°C) and lows at 61.7°F (16.5°C). The month with the most rainfall in Commerce City is July, when the rain falls for 8.2 days and typically aggregates up to 0.59" (15mm) of precipitation.