Denver Weather in June

June brings sunnier weather to Denver, Colorado, along with frequent thunderstorms. It also starts to heat up now with daytime temperatures often climbing above 90 degrees Fahrenheit (32 degrees Celsius).

This page gives detailed information on the typical June temperature, precipitation, sun, humidity, wind and storms for Denver. The numbers here are historical averages based on climate data gathered in the Denver community of Stapleton.

Temperature Weather iconTemperature

84 °F June average high 29 °C
53 °F June average low 12 °C
20 days 80 °F max. or more (27 °C)
9 days 50 °F min. or less (10 °C)

Nearly every day in June warms to over 70 °F (21 °C) in Denver. The city averages 8 days this month when the thermometer reaches into the 90s °F (over 32 °C). In some years, the temperature does climb above 100 °F (37 °C) during June.

The thermometer can dip to 40 °F (4 °C) or below at night in June, but that doesn't happen every year. June does not normally get cold enough for frost.

Rainy Weather iconRain

1.7 in total precipitation 43 mm
8 days of rain

Half the time, Denver receives 0.9 to 1.8 inches (22 to 47 mm) of rainfall in June. One in four years has drier weather, while another one in four is wetter. None of the precipitation normally falls as snow.

Sunny Weather iconSun

70 % sunshine
10 days clear skies

The sun's rays reach the ground in Denver during 70 percent of daylight hours on average in June, for a total of 314 hours in the month. Typically on 10 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in June at Denver averages 14 hours and 56 minutes a day. The longest days of the year, from around June 17th to 23rd, last 14 hours and 59 minutes from sunrise to sunset.

Humid Weather iconHumidity

49 % June average humidity

The relative humidity in Denver during June usually peaks at 69 percent in the morning then drops to 32 percent by early afternoon.

Local Time2 am5 am8 am11 am2 pm5 pm8 pm11 pm
Humidity % 65 69 51 37 32 35 48 58

Windy Weather iconWind

8.8 mph June wind speed average 14.2 kph

June is an average month in Denver for wind speed.

Stormy Weather iconStorms

1 day rainfall of 0.5 inches (13 mm) or more
10 days with thunderstorms in June

June is one of the most active months for thunderstorms in Denver.


The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.

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