July 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

Weather in July

July, like June, in Denver, Colorado, is another warm summer month, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 59.2°F (15.1°C).

Temperature

July is the warmest month, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 59.2°F (15.1°C).

Heat index

In July, the average heat index is evaluated at 84.4°F (29.1°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, pregnancy, clothing, and wind affect individual temperature impact. 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

In Denver, the average relative humidity is 44%.

Rainfall

In Denver, in July, during 18.4 rainfall days, 1.85" (47mm) of precipitation is typically 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 average length of the day in Denver, Colorado, is 14.7h.

Sunshine

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

UV index

Months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.
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FAQ

What is the warmest month in Denver?

July is the warmest month, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 59.2°F (15.1°C).

What is the temperature in July in Denver?

In July, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 59.2°F (15.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines relative humidity and air temperature, in July is evaluated at 84.4°F (29.1°C).

What is the average humidity in July in Denver?

In July, the average relative humidity in Denver, Colorado, is 44%.

How much does it rain in Denver in July?

In July, in Denver, the rain falls for 18.4 days. Throughout July, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in Denver?

In Denver, Colorado, snow does not fall in June through September.

How many hours of daylight does Denver have in July?

In Denver, Colorado, the average length of the day in July is 14.7h.

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 July?

The average sunshine in July in Denver, Colorado, is 11.8h.

What is the month with the highest UV index in Denver?

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

How high is the UV index in July in Denver?

In Denver, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in July
Denver, CO

Average temperature in July - Denver, CO
  • Average high temperature in July: 84.4°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 July: 59.2°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).

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Average pressure in July
Denver, CO

Average pressure in July - Denver, CO
  • Average pressure in July: 30.01"

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

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Average wind speed in July
Denver, CO

Average wind speed in July - Denver, CO
  • Average wind speed in July: 5.8mph

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).

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Average humidity in July
Denver, CO

Average humidity in July - Denver, CO
  • Average humidity in July: 44%

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

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Average rainfall in July
Denver, CO

Average rainfall in July - Denver, CO
  • Average rainfall in July: 1.85"

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

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Average rainfall days in July
Denver, CO

Average rainfall days in July - Denver, CO
  • Average rainfall days in July: 18.4 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).

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Average snowfall in July
Denver, CO

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

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

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Average snowfall days in July
Denver, CO

Average snowfall days in July - Denver, CO
  • Average snowfall days in July: 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).

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Average daylight in July /
Average sunshine in July
Denver, CO

Average daylight in July / Average sunshine in July - Denver, CO
  • Average daylight in July: 14.7h

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 July: 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).

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Average sunshine days in July
Denver, CO

Average sunshine days in July - Denver, CO
  • Average sunshine days in July: 5.6 days

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

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Average UV index in July
Denver, CO

Average UV index in July - Denver, CO
  • Average UV index in July: 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).

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Average cloud cover in July
Denver, CO

Average cloud cover in July - Denver, CO
  • Average cloud cover in July: 19

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

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Average visibility in July
Denver, CO

Average visibility in July - Denver, CO
  • Average visibility in July: 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).

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