June Weather in Denver, United States

Last updated: February 24, 2025

In June, Denver experiences a vibrant mix of temperatures, with maximums reaching 37°C (99°F), making it the perfect time to enjoy outdoor activities. The average temperature settles at a comfortable 20°C (68°F), while cool evenings dip to a refreshing 5°C (42°F). Although rain can make an appearance, with a total precipitation of 48 mm (1.9 in) over 9 days, the city's 58% humidity keeps the atmosphere pleasant. This combination of warmth and occasional showers creates ideal conditions for enjoying the scenic beauty of the Rocky Mountains and the bustling culture of the city.

June Temperature in Denver

June in Denver marks a transition into the warmer months, showcasing a delightful rise in temperatures that invite outdoor adventures. With a minimum temperature of 5°C (42°F) and an average hitting a comfortable 20°C (68°F), residents and visitors can enjoy the sun-drenched days ahead. The maximum temperature soars to 37°C (99°F), reflecting the peak of summer heat and providing ample opportunities for everything from hiking in the nearby Rockies to relaxing at local parks. This month serves as a clear turning point, where the cool winter days of earlier months yield to vibrant, warm evenings that are perfect for gatherings and events under the expansive Denver sky.

June Weather in Denver: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Denver, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec302939475568737266494033
Data source: Temperature data for Denver generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Denver

In June, Denver experiences a notable shift in precipitation patterns, with 48 mm (1.9 in) of rain falling over approximately 9 days. This marks a decrease from the preceding month of May, which sees a significant 111 mm (4.4 in), highlighting a transition as the region moves into summer. Compared to the earlier spring months, June's precipitation is lower than both March and April, but it remains consistent with the overall trend of increased rainfall leading into the summer. As the city basks in warmer temperatures, June's moderate rainfall helps nourish the blooming landscape while hinting at the drier weeks to follow in July and August.

June Precipitation Trends in Denver

The chart displays monthly precipitation patterns in Denver, with values for each month alongside June's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec2329575511148443629372414
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Denver

As summer approaches, June in Denver marks a significant shift in humidity levels. Starting the year with a high of 88% in January, the air steadily dries out, dropping to 66% in May. By June, the humidity reaches 58%, signaling the onset of warmer days and the beginning of a more arid summer season. This downward trend continues into July, where humidity levels dip to an even more comfortable 52%. The transition from the damp, chilly months to a drier summer is evident in Denver's June climate, making it an optimal time for outdoor activities while still enjoying the refreshing mountain air.

June Average Humidity in Denver

This chart illustrates the average monthly humidity levels in Denver, with June's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how June's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%76%67%58%52%56%65%76%82%89%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Denver

In June, Denver experiences extremely high UV Index levels, soaring to 12, which is consistent with the values seen in May and July. During this time, the burn time is notably short at just 10 minutes, emphasizing the urgency for sun protection. This trend of escalating UV intensity from the winter months, where the Index starts at a moderate 4 in January, sharply contrasts with the peak summer readings, indicating a significant seasonal shift. As outdoor activities ramp up with the warmer weather, it's crucial to remain vigilant about sun safety. For more insights and detailed forecasts, check out the full information here: Denver UV Index.

Maximum UV Index Levels in Denver for June

The chart shows the monthly maximum UV Index (UVI) for Denver in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121110754
Data source: Denver June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

June Sunshine in Denver

June marks a radiant peak in sunshine for Denver, with an impressive 371 hours of glorious daylight. As spring rolls into summer, the city basks in an average increase of more than 36 hours compared to May, setting the stage for outdoor adventures and sun-soaked gatherings. This trend of mounting sunlight continues into July, which boasts an even greater 375 hours, creating an inviting atmosphere for festivals and nature excursions. However, as summer wanes, sunshine gradually tapers off in August and September, reminding us of the fleeting joys of the season. June truly encapsulates the vibrant transition into summer, offering Denverites a perfect blend of warmth and brightness before days begin to shorten again.

Monthly Sunshine Duration in Denver: June Highlighted

The June sunshine duration represents the total number of hours Denver experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec187h240h291h309h335h371h375h352h310h276h250h242h
Data source: Denver June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Denver During June

In Denver, June offers a 56% chance of sunny weather, which marks a notable rebound from the cloudier months of late spring. As temperatures rise and summer approaches, this month typically sees a slight increase in sunshine compared to May's 43%—a hint that outdoor activities can thrive as summer beckons. Interestingly, this trend continues into July and August, where sun-filled days become increasingly prevalent, peaking at 67% in August. While June may not be the sunniest month overall, it sets the stage for a welcoming summer, suggesting an outdoor-friendly atmosphere for residents and visitors alike.

Percentage of Sunny Days in June in Denver

The chart illustrates the percentage of sunny days in Denver throughout the year, with June highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Denver experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%57%52%52%43%56%59%67%69%67%63%72%
Data source: Denver June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Denver in June

As June arrives in Denver, the city basks in a delightful 14 hours of daylight, mirroring the sunlit splendor of May and July. This peak in daylight duration follows a steady upward trend that begins in January with only 9 hours. Each month progressively offers more sunlight, allowing residents and visitors to indulge in outdoor activities as spring transitions into summer. While June shares its luminous hours with its neighboring months, the gradual decrease starts in August, hinting at the shorter days ahead as summer begins to wane. Overall, June serves as a vibrant testament to the long, sun-soaked days that characterize this season, providing ample opportunity for exploration and enjoyment in the Mile High City.

Average Daylight Hours in Denver for June

The chart illustrates the variation in daylight duration in Denver throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 42m10h 42m11h 58m13h 16m14h 22m14h 55m14h 37m13h 38m12h 23m11h 5m9h 58m9h 23m
Data source: Denver daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Denver

In June, the wind in Denver dances at an average speed of 2.5 m/s (6 mph), maintaining a gentle yet refreshing breeze that characterizes the transition into summer. Compared to the preceding months, June's winds are slightly more energetic than the calmness felt in May, which averaged 2.4 m/s (5 mph). Interestingly, the wind speeds from April to July remain relatively stable, fluctuating between 2.4 and 2.7 m/s, suggesting that while summer brings warmth, it doesn’t significantly alter the city's breezy demeanor. As we move toward the heat of July, the wind speed dips back to 2.4 m/s (5 mph), indicating a pattern of gentle breezes that enhance the outdoor experience without overwhelming the senses, making Denver's June winds a delightful complement to the vibrant season.

Average June Wind Speed in Denver

The chart displays monthly wind speed patterns in Denver, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.62.72.72.42.5 m/s2.42.32.42.52.62.8
Data source: Denver June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Denver Compares to Other Months

The weather in Denver changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Denver and find detailed weather information for every month.

June and January present starkly contrasting weather conditions. In June, temperatures range from a minimum of 5°C (42°F) to a maximum of 37°C (99°F), with an average of 20°C (68°F), making it a warm and relatively humid month with an average humidity of 58%. Rainfall occurs over about 9 days, accumulating to 48 mm (1.9 in). In contrast, January is characterized by frigid temperatures, with a minimum of -23°C (-10°F) and a maximum of 19°C (67°F), averaging -1°C (31°F). Precipitation is lower in January, totaling 23 mm (0.9 in) over just 4 days, and the month has a notably higher humidity level of 88%. These differences highlight how seasonal shifts dramatically affect the climate in this region. For more detailed information, you can check Denver weather in January.

June and February present striking contrasts in weather. In June, temperatures range from a cool 5°C (42°F) to a scorching 37°C (99°F), with an average of 20°C (68°F) and relatively moderate humidity at 58%. The month experiences about 48 mm (1.9 in) of precipitation over nine days, signaling the start of summer. Conversely, February showcases much harsher conditions, with temperatures plummeting as low as -25°C (-12°F) and averaging around -1°C (30°F). Despite an average high of 25°C (78°F), February remains significantly colder overall and has higher humidity at 87%, along with 29 mm (1.1 in) of precipitation over six days. For more details on February weather, check out Denver weather in February.

June and March present starkly contrasting weather conditions. In June, temperatures range from a chilly minimum of 5°C (42°F) to a scorching maximum of 37°C (99°F), with an average of 20°C (68°F). The month experiences 48 mm (1.9 inches) of precipitation over 9 days, alongside a moderate humidity level of 58%. In contrast, March is much colder, with temperatures dipping as low as -20°C (-5°F) and peaking at 27°C (80°F), averaging only 4°C (40°F). Precipitation is slightly higher at 57 mm (2.3 inches) over the same number of days, but with a higher humidity level of 81%. For more detailed insights, you can explore Denver weather in March.

June and April exhibit quite distinct weather patterns. In June, temperatures range from a cool minimum of 5°C (42°F) to a warm maximum of 37°C (99°F), with an average of 20°C (68°F). Although the precipitation for June is slightly lower at 48 mm (1.9 in) over 9 days, the humidity is moderate at 58%. In contrast, April experiences much colder temperatures, with a minimum of -14°C (8°F) and a high of 29°C (84°F), averaging 8°C (47°F). The month brings slightly more precipitation at 55 mm (2.2 in) over 10 days, accompanied by a higher humidity level of 76%. For more details on what to expect, check out Denver weather in April.

The weather in June is generally warmer than in May, with average temperatures rising from 13°C (56°F) in May to 20°C (68°F) in June. June experiences a broader temperature range, with minimums of 5°C (42°F) compared to May’s colder minimum of -6°C (21°F), while the maximum temperatures are higher in June, reaching up to 37°C (99°F). However, May sees significantly more precipitation, totaling 111 mm (4.4 in) over 14 rainy days, in contrast to June's 48 mm (1.9 in) across 9 days. The humidity is slightly lower in June at 58%, compared to May's 66%. For more details, check out Denver weather in May.

June and July exhibit notable differences in weather patterns. June welcomes a broader temperature range, with minimums reaching as low as 5°C (42°F) and maximums peaking at 37°C (99°F), resulting in an average of 20°C (68°F). In contrast, July experiences a slightly warmer average temperature of 23°C (74°F), with minimums starting at 10°C (51°F) and maximums capping at 36°C (98°F). Precipitation levels are fairly similar, with June receiving 48 mm (1.9 in) and July having 43 mm (1.7 in), both spanning over 9 days. Additionally, July tends to have a lower humidity level of 52% compared to June's 58%. For more details on the specifics of July weather, you can check out Denver weather in July.

In comparing the weather between June and August, June tends to showcase a broader temperature range, with minimums dipping to 5°C (42°F) and maximums soaring to 37°C (99°F), resulting in an average temperature of 20°C (68°F). In contrast, August has slightly milder temperatures overall, with minimums at 10°C (50°F) and maximums reaching 36°C (97°F), leading to an average of 22°C (72°F). Additionally, June experiences more rainfall, totaling 48 mm (1.9 in) over about 9 days, while August sees less precipitation at 35 mm (1.4 in) across 7 days. Humidity levels are also slightly lower in August at 56% compared to June's 58%. For a detailed look at weather specifics for August, visit Denver weather in August.

In June, temperatures soar with an average of 20°C (68°F) and can reach a maximum of 37°C (99°F), making it one of the warmer months of the year. The month also experiences about 48 mm (1.9 in) of rainfall spread over 9 days, coupled with a humidity level of 58%. In contrast, September sees a noticeable drop in the minimum temperature to -2°C (30°F), while the average remains close at 19°C (66°F) and peaks at 36°C (98°F). Precipitation decreases to 29 mm (1.2 in) over just 5 days, and humidity slightly increases to 65%. These changes reflect a transition from the summer warmth of June to the cooler and drier conditions of September. For more specifics on September weather, you can check Denver weather in September.

June and October present strikingly different weather patterns. In June, temperatures range from a minimum of 5°C (42°F) to a scorching maximum of 37°C (99°F), with an average of 20°C (68°F) and about 48 mm (1.9 in) of precipitation spread over 9 days. The humidity sits at a comfortable 58%, contributing to warm and often sunny days. In contrast, October sees cooler temperatures, with a minimum of -18°C (1°F) and an average of just 9°C (49°F), while the maximum reaches a milder 30°C (86°F). Precipitation decreases slightly to 37 mm (1.5 in) over 7 days, but the humidity rises to 76%, resulting in a notably different, crisp atmosphere. For more detailed insights, you can visit Denver weather in October.

June and November present strikingly contrasting weather patterns. In June, temperatures range from a pleasant 5°C (42°F) at night to a scorching 37°C (99°F) during the day, with an average of around 20°C (68°F). The month sees relatively higher humidity levels at 58% and receives about 48 mm (1.9 in) of precipitation over approximately 9 days. In contrast, November features a much cooler climate, with temperatures dropping to a minimum of -16°C (3°F) and averaging only 5°C (41°F), reaching a maximum of 25°C (78°F). The month boasts even higher humidity at 82% but experiences less rainfall, totaling 24 mm (1.0 in) over just 4 days. The differences in temperature, precipitation, and humidity between these two months highlight the distinct seasonal shifts. For more insights, you can check Denver weather in November.

June and December showcase strikingly contrasting weather patterns. June typically experiences warmer temperatures, with a minimum of 5°C (42°F) and an average reaching up to 20°C (68°F), while December brings much colder conditions, where temperatures can plummet to a minimum of -19°C (-1°F) and an average of only 1°C (34°F). June also sees more precipitation, with 48 mm (1.9 in) over about 9 days, compared to December's lighter rainfall of just 14 mm (0.6 in) within 3 days. Additionally, June maintains a moderate humidity level of 58%, while December tends to be much more humid at 89%. For more details, you can check out Denver weather in December.

Compare Denver's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Denver

June in Denver marks a vibrant transition into summer, showcasing a delightful blend of warmth and occasional precipitation. With temperatures soaring to a maximum of 37°C (99°F), the month offers a stark contrast to the cooler spring months, making it ideal for outdoor adventures. While the average temperature hovers around a comfortable 20°C (68°F), early mornings can still dip to cooler degrees, reminding residents of the lingering chill from the prior season. Rainfall is moderate, with about 9 days of precipitation, contributing to the lush landscapes that define Colorado during this time. The humidity level, at 58%, enhances the warm feel but remains manageable, ensuring that June is both pleasant and refreshing. For a deeper understanding of the unique climate patterns that shape this beautiful city, visit Denver Climate.