August weather forecast
Cortez, CO

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The bright and red rays of the setting sun over the scenic layout of hills and plains of Cortez, Colorado
The bright and red rays of the setting sun over the scenic layout of hills and plains of Cortez, Colorado

Weather in August

August weather in Cortez rounds off the summer with a slightly cooler temperature range compared to July, providing a much-needed respite from the intense heat. The decrease in temperature provides a balmy and comfortable climate for visiting national parks located near the city. Despite being summer, visitors can enjoy mild evenings, making it an ideal time for camping under the stars.

Temperature

The initiation of August in Cortez sees an average high-temperature of a still warm 82°F (27.8°C), showing minor variations from the previous month. Cortez reports a sharp reduction in temperature during August, averaging at a mild 60.4°F (15.8°C) at night.

Heat index

The heat index value for August is estimated at 80.6°F (27°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In Cortez, Colorado, the average relative humidity in August is 40%.

Rainfall

In Cortez, during August, the rain falls for 8.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Cortez, during the entire year, the rain falls for 78.9 days and collects up to 9.84" (250mm) of precipitation.

Snowfall

In Cortez, snow does not fall in May through September.

Daylight

In Cortez, the average length of the day in August is 13h and 33min.
On the first day of August in Cortez, sunrise is at 6:19 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:44 pm MDT.

Sunshine

The average sunshine in August in Cortez is 11.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Cortez. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What are August temperatures in Cortez?

An average high-temperature, in August, in Cortez, is 82°F (27.8°C) and the average low-temperature is 60.4°F (15.8°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is estimated at 80.6°F (27°C).

What is the average humidity in August in Cortez?

In Cortez, Colorado, the average relative humidity in August is 40%.

How many days does it rain in August in Cortez?

In Cortez, Colorado, in August, it is raining for 8.8 days, with typically 0.75" (19mm) of accumulated precipitation.

When it does not snow in Cortez?

May through September are months without snowfall in Cortez.

What is the average length of the day in August in Cortez?

The average day length in August in Cortez, Colorado, is 13h and 33min.

What time are sunrise and sunset in August in Cortez?

On the first day of August in Cortez, Colorado, sunrise is at 6:19 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:44 pm MDT.

How long on average sun shines in August in Cortez?

The average sunshine duration in August in Cortez is 11.9h.

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

The months with the highest UV index in Cortez are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Cortez?

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

Average temperature in August
Cortez, CO

Average temperature in August - Cortez, CO
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in August
Cortez, CO

Average pressure in August - Cortez, CO
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in August
Cortez, CO

Average wind speed in August - Cortez, CO
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

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Average humidity in August
Cortez, CO

Average humidity in August - Cortez, CO
  • Average humidity in August: 40%

The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is June (26%).

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Average rainfall in August
Cortez, CO

Average rainfall in August - Cortez, CO
  • Average rainfall in August: 0.75"

The wettest months (with the highest rainfall) are January and December (1.26").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in August
Cortez, CO

Average rainfall days in August - Cortez, CO
  • Average rainfall days in August: 8.8 days

The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is June (2.8 days).

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Average snowfall in August
Cortez, CO

Average snowfall in August - Cortez, CO
  • Average snowfall in August: 0"

The month with the highest snowfall is January (8.11").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Cortez, CO

Average snowfall days in August - Cortez, CO
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and December (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Cortez, CO

Average daylight in August / Average sunshine in August - Cortez, CO
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).

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Average sunshine days in August
Cortez, CO

Average sunshine days in August - Cortez, CO
  • Average sunshine days in August: 19.1 days

The month with the most sunshine days is June (26.2 days).
The month with the least sunshine days is February (17.6 days).

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Average UV index in August
Cortez, CO

Average UV index in August - Cortez, CO
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (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 August
Cortez, CO

Average cloud cover in August - Cortez, CO
  • Average cloud cover in August: 12

The months with the most cloud cover are January and December (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 9).

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Average visibility in August
Cortez, CO

Average visibility in August - Cortez, CO
  • Average visibility in August: 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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Cortez, Colorado, USA

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