July weather forecast
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 an average temperature varying between 59.2°F (15.1°C) and 84.4°F (29.1°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

The average heat index in July is calculated to be 84.4°F (29.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, pregnancy, differences in body mass, height, and shape, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

The average relative humidity in July is 44%.

Rainfall

In Denver, during July, the rain falls for 18.4 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, in Denver, there are 119.5 rainfall days, and 12.95" (329mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Denver.

Daylight

The average length of the day in July in Denver is 14h and 39min.
On the first day of July, sunrise is at 5:35 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:14 pm MDT.

Sunshine

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

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Denver?

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

What is the temperature in July in Denver?

In July, in Denver, Colorado, 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. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in July is calculated to be 84.4°F (29.1°C).

What is the average humidity in July in Denver?

In July, the average relative humidity is 44%.

How many days does it rain in July in Denver?

In Denver, in July, during 18.4 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When it does not snow in Denver?

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

What is the average length of the day in July in Denver?

The average day length in July in Denver is 14h and 39min.

When are sunrise and sunset in July in Denver?

On the first day of July in Denver, sunrise is at 5:35 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:14 pm MDT.

What is the month 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 long on average sun shines in July in Denver?

In Denver, the average sunshine duration in July is 11.8h.

When is the highest UV index in Denver?

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

What is the UV index reading in July in Denver?

In July, the average daily maximum UV index in Denver is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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").
The 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).
The 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: 14h and 39min

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in July: 11h and 48min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).

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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

The months with the highest UV index are June and July (UV index 6).
The 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

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

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