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
| 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.
Rain
| 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.
Sun
| 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.
Humidity
| 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 Time | 2 am | 5 am | 8 am | 11 am | 2 pm | 5 pm | 8 pm | 11 pm |
| Humidity % | 65 | 69 | 51 | 37 | 32 | 35 | 48 | 58 |
Wind
| 8.8 mph | June wind speed average | 14.2 kph |
June is an average month in Denver for wind speed.
Storms
| 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.
Reference
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.