June weather forecast
Colorado, USA

June in Colorado marks the beginning of the summer season, bringing a significant rise in temperatures and a more stable weather pattern. In the Eastern Plains and Front Range urban areas, temperatures typically range from 50°F (10°C) to 75°F (23.9°C), with days becoming increasingly warm and nights remaining cool.

Denver and other cities along the Front Range often enjoy clear, sunny skies, with the occasional afternoon thunderstorm. These thunderstorms, though brief, can be intense and are a common feature of Colorado's early summer climate.

In the mountains, June brings milder temperatures and the final retreat of snow at higher elevations. Some ski resorts may still operate on limited bases, but the majority of the state transitions to summer recreational activities.

Precipitation in June usually takes the form of rain, and thunderstorms become more prevalent towards the end of the month. The state's rivers and lakes, fed by melting snow, reach peak levels, drawing rafters and anglers.

June's weather is characterized by increasing warmth, abundant sunshine, and the start of the summer thunderstorm pattern. It stands in contrast to May's more variable conditions, firmly embracing the summer season. While remnants of spring can linger in mountainous areas, the majority of Colorado shifts towards the warmth and outdoor opportunities of summertime.

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• Denver - June »
  The overall shift in weather from May to June indicates a clear progression into the warmer months of summer. 
 
 Witnessing a clear rise in June, the average high-temperature escalates from May's enjoyable 65.8°F (18.8°C) to a warm 81°F (27.2°C). 
 Denver's June weather showcases the arrival of summer, notable for its prolonged daylight hours and enhanced sunshine days.
• Colorado Springs - June »
  In Colorado Springs snow does not fall in June through August. In Colorado Springs, snow does not fall in June through August.
• Aurora - June »
  In Aurora snow does not fall in June through September. How many hours of sunshine does Aurora have in June?
• Fort Collins - June »
  June, August and September, with an average relative humidity of 45%, are the least humid months in Fort Collins, Colorado. June has the longest days of the year in Fort Collins, Colorado, with an average of 15h and 0min of daylight.
• Boulder - June »
  June, August and September, with an average relative humidity of 45%, are the least humid months in Boulder, Colorado. In Boulder during June, the rain falls for 13.4 days and regularly aggregates up to 1.5" (38mm) of precipitation.
• Pueblo - June »
  The month with the longest days in Pueblo is June, with an average of 14h and 48min of daylight. With an average relative humidity of 36%, June is the least humid month in Pueblo, Colorado.
• Greeley - June »
  The month with the longest days in Greeley is June, with an average of 15h and 0min of daylight. In Greeley snow does not fall in June through September.
• Longmont - June »
  With an average of 15h and 0min of daylight, June has the longest days of the year in Longmont, Colorado. In Longmont, Colorado, during June, the rain falls for 11.2 days and regularly aggregates up to 0.94" (24mm) of precipitation.
• Grand Junction - June »
  The month with the longest days in Grand Junction is June, with an average of 14h and 54min of daylight. With an average relative humidity of 29%, June is the least humid month in Grand Junction.
• Broomfield - June »
  In Broomfield during June, the rain falls for 9.9 days and regularly aggregates up to 0.63" (16mm) of precipitation. As June sets in Broomfield, Colorado, the average high-temperature displays a significant increase, moving up from a refreshing 66°F (18.9°C) in May to a warm 81.3°F (27.4°C).
• Castle Rock - June »
  The month with the longest days in Castle Rock is June, with an average of 14h and 54min of daylight. In Castle Rock, during June, the rain falls for 11.8 days and regularly aggregates up to 1.38" (35mm) of precipitation.
• Commerce City - June »
  Commerce City's weather experiences a significant temperature rise with the arrival of June, soaring from an agreeable 69.1°F (20.6°C) in May to a warm 84.2°F (29°C). In Commerce City, Colorado, in June, it is raining for 5.7 days, with typically 0.35" (9mm) of accumulated precipitation.