June weather forecast
Colorado, USA

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Flag of Colorado, USA
Flag of Colorado, USA

Weather in June

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.

  • Denver - June »
    
 Denver's June weather showcases the arrival of summer, notable for its prolonged daylight hours and enhanced sunshine days. The overall shift in weather from May to June indicates a clear progression into the warmer months of summer. 
 
 In Denver, the onset of June is marked by an increased average high-temperature, escalating from May's refreshing 65.8°F (18.8°C) to a moderately hot 81°F (27.2°C).
  • Colorado Springs - June »
    The months with the most sunshine in Colorado Springs are June and August, with an average of 11.7h of sunshine. In Colorado Springs, in June, it is raining for 13.9 days, with typically 1.85" (47mm) of accumulated precipitation.
  • Aurora - June »
    In Aurora, Colorado, snow does not fall in June through September. In Aurora snow does not fall in June through September.
  • Fort Collins - June »
    The month with the longest days in Fort Collins is June, with an average of 15h and 0min of daylight. The months with the lowest humidity in Fort Collins are June, August and September, with an average relative humidity of 45%.
  • Boulder - June »
    The months with the lowest humidity in Boulder are June, August and September, with an average relative humidity of 45%. June, August and September, with an average relative humidity of 45%, are the least humid months in Boulder.
  • Pueblo - June »
    The month with the most sunshine in Pueblo, Colorado, is June, with an average of 12h of sunshine. June holds the mantle of Pueblo's hottest month, as average high temperatures vault a significant 14.8°F (-9.6°C), peaking at 87.1°F (30.6°C).
  • Greeley - June »
    The months with the highest UV index in Greeley, Colorado, are June through August, with an average maximum UV index of 6. The shift into June in Greeley is marked by a noticeable escalation in the average high-temperature, rising from May's agreeable 69.3°F (20.7°C) to a warm 84.2°F (29°C).
  • Longmont - June »
    The month with the longest days in Longmont is June, with an average of 15h and 0min of daylight. Longmont's June nights represent a significant downturn from the day's heat, with an average temperature of 54.3°F (12.4°C).
  • Grand Junction - June »
    The month with the least rainfall in Grand Junction is June, when the rain falls for 5.6 days and typically collects 0.51" (13mm) of precipitation. The month with the longest days in Grand Junction is June, with an average of 14h and 54min of daylight.
  • Broomfield - June »
    In June, in Broomfield the rain falls for 9.9 days. On the last day of June, in Broomfield sunrise is at 5:35 am and sunset at 8:33 pm MDT.
  • Castle Rock - June »
    The month with the longest days in Castle Rock is June, with an average of 14h and 54min of daylight. The month with the longest days in Castle Rock is June, with an average of 14h and 54min of daylight.
  • Commerce City - June »
    In Commerce City snow does not fall in June through September. In Commerce City, during June, the rain falls for 5.7 days and regularly aggregates up to 0.35" (9mm) of precipitation.
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Colorado, USA

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