July weather - Summer 2024 - Castle Rock, CO

Weather in July
Frequently asked questions
Average temperature in July
Average pressure in July
Average wind speed in July
Average humidity in July
Average rainfall in July
Average rainfall days in July
Average snowfall in July
Average snowfall days in July
Average daylight in July
Average sunshine in July
Average sunshine days in July
Average UV index in July
Average cloud cover in July
Average visibility in July

The scenic setting of Castle Rock City in Colorado

Weather in July

July in Castle Rock is the peak of summer, seeing temperatures reach the year’s highest record of 83.3°F (28.5°C). This makes July the hottest month, spurting a true summer vibe across town. People are seen flocking to pools, beaches, and shade-covered areas to escape the heat. Despite the intense sun, the city still provides a dreamy summer scenery with clear blue skies and sunlit landscapes. The profound beauty of the city under the intense summer sun is worth experiencing.

Temperature

July proves to be the warmest month, recording an average peak temperature of 83.3°F (28.5°C) and a minimum temperature of 57.2°F (14°C).

Heat index

July's mean heat index is computed to be 84.2°F (29°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In July, the average relative humidity in Castle Rock, Colorado, is 49%.

Rainfall

In Castle Rock, in July, it is raining for 15.1 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, in Castle Rock, there are 107.3 rainfall days, and 13.7" (348mm) of precipitation is accumulated.

Snowfall

July through September are months without snowfall.

Daylight

In Castle Rock, the average length of the day in July is 14h and 37min.
On the first day of July, sunrise is at 5:36 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:12 pm MDT.

Sunshine

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

UV index

The months with the highest UV index in Castle Rock 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 unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 in July translates into these instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

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Frequently asked questions

What part of the year is the hottest in Castle Rock?

The highest temperatures are recorded in July, with averages reaching a high of 83.3°F (28.5°C) and a low of 57.2°F (14°C).

How hot is it in Castle Rock in July?

Castle Rock in July has an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 57.2°F (14°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 84.2°F (29°C).

What is the average humidity in July in Castle Rock?

In July, the average relative humidity in Castle Rock is 49%.

How much does it rain in Castle Rock in July?

In Castle Rock, in July, it is raining for 15.1 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Castle Rock?

July through September are months without snowfall in Castle Rock, Colorado.

Does it snow in Castle Rock in July?

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

How many hours of daylight does Castle Rock have in July?

In July, the average day length in Castle Rock, Colorado, is 14h and 37min.

When are sunrise and sunset in July in Castle Rock?

On the first day of July in Castle Rock, sunrise is at 5:36 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:12 pm MDT.

What are the months with the most sunshine in Castle Rock?

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

How many hours of sunshine does Castle Rock have in July?

In Castle Rock, Colorado, the average sunshine duration in July is 11.8h.

When is the highest UV index in Castle Rock?

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

How high is the UV index in July in Castle Rock?

The average daily maximum UV index in July in Castle Rock is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

79.9°F 26.6°C

83.3°F 28.5°C

82°F 27.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8mph 12.9km/h

7.5mph 12.1km/h

7.3mph 11.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

14.1

10.6

12.3

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Castle Rock, CO

Average high temperature in July: 83.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is December (39.6°F).

Average low temperature in July: 57.2°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).

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Average pressure in July
Castle Rock, CO

Average pressure in July: 30.01"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

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Average wind speed in July
Castle Rock, CO

Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest months (with the lowest average wind speed) are July, August and September (6.5mph).

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Average humidity in July
Castle Rock, CO

Average humidity in July: 49%

The month with the highest relative humidity is February (66%).
The months with the lowest relative humidity are June and September (45%).

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Average rainfall in July
Castle Rock, CO

Average rainfall in July: 1.93"

The wettest month (with the highest rainfall) is May (2.24").
The driest months (with the least rainfall) are January and December (0.55").

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Average rainfall days in July
Castle Rock, CO

Average rainfall days in July: 15.1 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is November (3 days).

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Average snowfall in July
Castle Rock, CO

Average snowfall in July: 0"

The month with the highest snowfall is April (7.13").
The months with the least snowfall are July, August and September (0").

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Average snowfall days in July
Castle Rock, CO

Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in July /
Average sunshine in July
Castle Rock, CO

Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

Average sunshine in July: 11h and 5min

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 48min).

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Average sunshine days in July
Castle Rock, CO

Average sunshine days in July: 10.6 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in July
Castle Rock, 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, October, November and December (UV index 2).

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Average cloud cover in July
Castle Rock, CO

Average cloud cover in July: 20

The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in July
Castle Rock, 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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July weather forecast
Castle Rock, CO

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