Denver
Colorado, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Denver, CO

The colorful sky above the sunlit Denver city, Colorado in autumn, with a water body surrounded by trees, and majestic skyscrapers afar
The colorful sky above the sunlit Denver city, Colorado in autumn, with a water body surrounded by trees, and majestic skyscrapers afar
The first month of the summer, June, is a warm month in Denver, Colorado, with average temperature ranging between min 54.5°F (12.5°C) and max 81°F (27.2°C).

Temperature

In June, the average high-temperature soars, from an enjoyable 65.8°F (18.8°C) in May, to a moderately hot 81°F (27.2°C). The average low-temperature, in Denver, is 54.5°F (12.5°C).

Heat index

In June, the average heat index is calculated to 80.8°F (27.1°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, wind, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

June is the least humid month, with an average relative humidity of 41%.

Rainfall

In June, in Denver, the rain falls for 13.9 days. Throughout June, 1.34" (34mm) of precipitation is accumulated. In Denver, during the entire year, the rain falls for 119.5 days and collects up to 12.95" (329mm) of precipitation.

Snowfall

In Denver snow does not fall in June through September.

Daylight

The month with the longest days in Denver is June, with an average of 15h of daylight.

Sunshine

Months with the most sunshine are June through August, with an average of 11.8h of sunshine.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index in Denver, Colorado. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in June in Denver?

In Denver, Colorado, in June, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 54.5°F (12.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that factores the actual air temperature with the relative humidity, in June is calculated to 80.8°F (27.1°C).

What is the least humid month in Denver?

June is the least humid month in Denver, Colorado, with an average relative humidity of 41%.

What is the average humidity in June in Denver?

In Denver, the average relative humidity in June is 41%.

How many days does it rain in June in Denver?

In June, in Denver, Colorado, the rain falls for 13.9 days. Throughout June, 1.34" (34mm) of precipitation is accumulated.

Does it snow in Denver in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When it does not snow in Denver?

June through September are months without snowfall in Denver, Colorado.

When are the longest days in Denver?

The month with the longest days in Denver, Colorado, is June, with an average of 15h of daylight.

How many hours of daylight does Denver have in June?

In Denver, Colorado, the average length of the day in June is 15h.

What are the months with the most sunshine in Denver?

Months with the most sunshine in Denver, Colorado, are June through August, with an average of 11.8h of sunshine.

How long on average sun shines in June in Denver?

In Denver, the average sunshine in June is 11.8h.

When is the highest UV index in Denver?

Months with the highest UV index are June and July, with an average maximum UV index of 6.

What is the UV index intensity in June in Denver?

In Denver, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in June - Denver, CO
  • Average high temperature in June: 27.2°C

The warmest month (with the highest average high temperature) is July (29.1°C).
The month with the lowest average high temperature is December (4.4°C).

  • Average low temperature in June: 12.5°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is December (-6.3°C).

Average humidity in June - Denver, CO
  • Average humidity in June: 41%

The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is June (41%).

Average rainfall in June - Denver, CO
  • Average rainfall in June: 34mm

The wettest month (with the highest rainfall) is May (60mm).
Driest months (with the lowest rainfall) are January and December (10mm).

Average rainfall days in June - Denver, CO
  • Average rainfall days in June: 13.9 days

The month with the highest number of rainy days is July (18.4 days).
The month with the lowest number of rainy days is January (3.7 days).

Average snowfall in June - Denver, CO
  • Average snowfall in June: 0mm

The month with the highest snowfall is March (159mm).
Months with the lowest snowfall are June, July, August and September (0mm).

Average snowfall days in June - Denver, CO
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (9.3 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight in June / Average sunshine in June - Denver, CO
  • Average daylight in June: 15h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in June: 11.8h

Months with most sunshine are June, July and August (Average sunshine: 11.8h).
The month with least sunshine is February (Average sunshine: 6.9h).

Average UV index in June - Denver, CO
  • Average UV index in June: 6

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).