August weather forecast
Iliff, CO

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Weather in August

August, the last month of the summer in Iliff, is another tropical month, with an average temperature varying between 86.2°F (30.1°C) and 63.3°F (17.4°C).

Temperature

The start of August marks an average high-temperature of a still tropical 86.2°F (30.1°C), hardly distinguishable from the conditions in July. Iliff's temperature exhibits a stark contrast from daytime to nighttime, averaging lows of 63.3°F (17.4°C) in August.

Heat index

The heat index in August is calculated to be a hot 87.8°F (31°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In Iliff, the average relative humidity in August is 48%.

Rainfall

In Iliff, in August, during 13.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, in Iliff, there are 123.2 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of August, sunrise is at 5:49 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:25 pm MDT.

Sunshine

June and August, with an average of 11.7h of sunshine, are months with the most sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Iliff. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during August leads to these advisories:
Fend off overexposure. Sun protection is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Iliff in August?

The high-temperature in Iliff, Colorado, during August is 86.2°F (30.1°C) and the low-temperature is 63.3°F (17.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in August in Iliff?

In August, the average relative humidity in Iliff, Colorado, is 48%.

How much does it rain in Iliff in August?

In Iliff, Colorado, in August, during 13.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow in Iliff?

June through September are months without snowfall in Iliff, Colorado.

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

The average day length in August is 13h and 44min.

What time are sunrise and sunset in August in Iliff?

On the first day of August, sunrise is at 5:49 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:25 pm MDT.

What is the month with the most sunshine in Iliff?

The months with the most sunshine in Iliff are June and August, with an average of 11.7h of sunshine.

How long on average sun shines in August in Iliff?

In August, the average sunshine duration is 11.7h.

When is the highest UV index in Iliff?

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

What is the UV index intensity in August in Iliff?

The average daily maximum UV index in August in Iliff, Colorado, is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's 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
Iliff, CO

Average temperature in August - Iliff, CO
  • Average high temperature in August: 86.2°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (37.8°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (23°F).

Average pressure in August
Iliff, CO

Average pressure in August - Iliff, CO
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in August
Iliff, CO

Average wind speed in August - Iliff, CO
  • Average wind speed in August: 9mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

Average humidity in August
Iliff, CO

Average humidity in August - Iliff, CO
  • Average humidity in August: 48%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is September (47%).

Average rainfall in August
Iliff, CO

Average rainfall in August - Iliff, CO
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in August
Iliff, CO

Average rainfall days in August - Iliff, CO
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in August
Iliff, CO

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

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Iliff, CO

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

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 11h and 4min

The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in August
Iliff, CO

Average sunshine days in August - Iliff, CO
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in August
Iliff, CO

Average UV index in August - Iliff, 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).

Average cloud cover in August
Iliff, CO

Average cloud cover in August - Iliff, CO
  • Average cloud cover in August: 17

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in August
Iliff, CO

Average visibility in August - Iliff, 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).

Iliff, Colorado, USA

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