June weather forecast and climate
Denver, CO

The colorful sky above the sunlit Denver city, Colorado in autumn
The colorful sky above the sunlit Denver city, Colorado in autumn
June, the first month of the summer, in Denver, is a warm month, with average temperature varying between 54.5°F (12.5°C) and 81°F (27.2°C).

Temperature

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

Heat index

In June, the average heat index is appraised at 80.8°F (27.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity 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 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, differences in body mass, height, and shape, wind), and activity. 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 especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Denver, in June, it is raining for 13.9 days, with typically 1.34" (34mm) of accumulated precipitation. In Denver, Colorado, 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 through September.

Daylight

June has the longest days of the year in Denver, with an average of 15h of daylight.

Sunshine

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

UV index

Months with the highest UV index in Denver, Colorado, are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in June transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 June, in Denver, 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. 'felt air temperature', 'feels like'), that represents influence of the relative humidity to air temperaure, in June is estimated at 80.8°F (27.1°C).

What is the least humid month in Denver?

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

What is the average humidity in June in Denver?

The average relative humidity in June in Denver is 41%.

How many days does it rain in June in Denver?

In Denver, Colorado, during June, the rain falls for 13.9 days and regularly aggregates up to 1.34" (34mm) of precipitation.

Does it snow in Denver in June?

In June, in Denver, Colorado, 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.

When are the longest days in Denver?

June has the longest days of the year in Denver, Colorado, with an average of 15h of daylight.

How many hours of daylight does Denver have in June?

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

What are the months with the most sunshine in Denver?

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

How many hours of sunshine does Denver have in June?

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

What are the months with the highest UV index in Denver?

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

What is the UV index reading in June in Denver?

The average daily maximum UV index in June in Denver is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in June - Denver, CO
  • Average high temperature in June: 81°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (39.9°F).

  • Average low temperature in June: 54.5°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

Average pressure in June - Denver, CO
  • Average pressure in June: 29.92"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is April (29.91").

Average wind speed in June - Denver, CO
  • Average wind speed in June: 6.1mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).

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: 1.34"

The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are January and December (0.39").

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 least rainy days is January (3.7 days).

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

The month with the highest snowfall is March (6.26").
Months with the least snowfall are June, July, August and September (0").

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 least 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 the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in June: 11.8h

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

Average sunshine days in June - Denver, CO
  • Average sunshine days in June: 10.7 days

The month with the most sunshine days is November (23 days).
The month with the least sunshine days is July (5.6 days).

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).

Average cloud cover in June - Denver, CO
  • Average cloud cover in June: 16

The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 15).

Average visibility in June - Denver, CO
  • Average visibility in June: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).