August weather forecast
Wiley, CO

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Weather in August

August, the last month of the summer in Wiley, is another hot month, with an average temperature varying between 68.2°F (20.1°C) and 89.8°F (32.1°C).

Temperature

Wiley starts August with an average high-temperature of a still tropical 89.8°F (32.1°C), a minor shift from July's 92.7°F (33.7°C). August nights in Wiley, Colorado, indicate a noticeable temperature drop from the daytime highs, with an average reading lowering to a pleasant 68.2°F (20.1°C).

Heat index

The average heat index in August is estimated at a tropical 91.4°F (33°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. 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 are particularly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In August, the average relative humidity is 45%.

Rainfall

In Wiley, in August, during 9.1 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 79.5 rainfall days, and 8.9" (226mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 36min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:00 pm. On the last day of August, in Wiley, sunrise is at 6:20 am and sunset at 7:21 pm MDT.

Sunshine

The average sunshine in August is 11.8h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Wiley. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 7 in August, converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Wiley in August?

August temperatures vary between a high-temperature of 89.8°F (32.1°C) and a low-temperature of 68.2°F (20.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 91.4°F (33°C).

What is the average humidity in August in Wiley?

In August, the average relative humidity is 45%.

How much does it rain in Wiley in August?

In Wiley, during August, the rain falls for 9.1 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When it does not snow in Wiley?

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

How many hours of daylight does Wiley have in August?

In August, the average day length in Wiley is 13h and 36min.

When is the sunrise / sunset in August in Wiley?

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 8:00 pm. On the last day of the month, in Wiley, sunrise is at 6:20 am and sunset at 7:21 pm MDT.

How many hours of sunshine does Wiley have in August?

The average sunshine duration in August is 11.8h.

When is the highest UV index in Wiley?

June through August, with an average maximum UV index of 7, are months with the highest UV index in Wiley.

What is the UV index reading in August in Wiley?

In August, the average daily maximum UV index in Wiley is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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
Wiley, CO

Average temperature in August - Wiley, CO
  • Average high temperature in August: 89.8°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (26.4°F).

Average pressure in August
Wiley, CO

Average pressure in August - Wiley, CO
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

Average wind speed in August
Wiley, CO

Average wind speed in August - Wiley, CO
  • Average wind speed in August: 9.9mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is January (8.9mph).

Average humidity in August
Wiley, CO

Average humidity in August - Wiley, CO
  • Average humidity in August: 45%

The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (40%).

Average rainfall in August
Wiley, CO

Average rainfall in August - Wiley, CO
  • Average rainfall in August: 1.14"

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is November (0.28").

Average rainfall days in August
Wiley, CO

Average rainfall days in August - Wiley, CO
  • Average rainfall days in August: 9.1 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (2.5 days).

Average snowfall in August
Wiley, CO

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

The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Wiley, CO

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

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
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 July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in August
Wiley, CO

Average sunshine days in August - Wiley, CO
  • Average sunshine days in August: 20 days

The month with the most sunshine days is November (25.2 days).
The month with the least sunshine days is July (17.3 days).

Average UV index in August
Wiley, CO

Average UV index in August - Wiley, CO
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in August
Wiley, CO

Average cloud cover in August - Wiley, CO
  • Average cloud cover in August: 15

The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).

Average visibility in August
Wiley, CO

Average visibility in August - Wiley, 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).

Wiley, Colorado, USA

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