August weather forecast
Cortez, CO

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

The last month of the summer, August, is also a moderately hot month in Cortez, Colorado, with an average temperature varying between 82°F (27.8°C) and 60.4°F (15.8°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still moderately hot 82°F (27.8°C). The average low-temperature, is 60.4°F (15.8°C).

Heat index

In August, the average heat index is appraised at 81.5°F (27.5°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. 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', 'felt air temperature', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, wind), and activity. 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

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

Rainfall

In August, the rain falls for 8.8 days. Throughout August, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 78.9 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

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 the month, sunrise is at 6:19 am and sunset at 8:22 pm. On the last day of August, in Cortez, sunrise is at 6:44 am and sunset at 7:44 pm MDT.

Sunshine

In Cortez, the average sunshine in August is 11.9h.

UV index

June through August, 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 vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Cortez?

The average high-temperature, in August, in Cortez, Colorado, is 82°F (27.8°C), while the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is appraised at 81.5°F (27.5°C).

What is the average humidity in August in Cortez?

The average relative humidity in August in Cortez is 40%.

How many days does it rain in August in Cortez?

In August, the rain falls for 8.8 days. Throughout August, 0.75" (19mm) of precipitation is accumulated.

When it does not snow in Cortez?

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

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

In Cortez, the average day length in August is 13h and 33min.

When is the sunrise / sunset in August in Cortez?

On the first day of August in Cortez, Colorado, sunrise is at 6:19 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:44 pm MDT.

How many hours of sunshine does Cortez have in August?

In August, the average sunshine duration is 11.9h.

When is the highest UV index in Cortez?

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

What is the UV index reading in August in Cortez?

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 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 33min

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 38min).

  • Average sunshine in August: 11h and 54min

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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