August weather forecast
Lone Tree, CO

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Weather in August

While August continues to bask in the summer heat, a slight decrease in temperature is noticed as compared to July. The withdrawal of peak summer conditions, along with steady rainfall amounts, marks the slow onset of fall. Continued warm weather, less rainfall, and less cloud cover keep the city vibrant. As August transitions into September, the weather takes a gradual turn towards cooler temperatures. The city remains bustling with seasonal events and warm-weather activities.

Temperature

With August's advent, Lone Tree sees an average high-temperature of a still warm 84.4°F (29.1°C), subtly shifted from July's 85.6°F (29.8°C). The temperature notes a substantial fall from the daily peak to an average of 58.6°F (14.8°C) during August nights.

Heat index

August's average heat index is appraised at 84.2°F (29°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The months with the lowest humidity are June, August and September, with an average relative humidity of 43%.

Rainfall

In August, the rain falls for 9.2 days. Throughout August, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 94.2 rainfall days, and 11.97" (304mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Lone Tree, the average length of the day in August is 13h and 40min.
On the first day of August in Lone Tree, sunrise is at 5:59 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:31 pm MDT.

Sunshine

The average sunshine in August is 11.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 6 during August leads to these advisories:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In August, the average high-temperature and low-temperature are 84.4°F (29.1°C) and 58.6°F (14.8°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in August is appraised at 84.2°F (29°C).

What are the least humid months in Lone Tree?

The months with the lowest humidity are June, August and September, with an average relative humidity of 43%.

What is the average humidity in August?

In August, the average relative humidity is 43%.

How much does it rain in August?

In Lone Tree, during August, the rain falls for 9.2 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow?

In Lone Tree, snow does not fall in June through September.

What is the average length of the day in August in Lone Tree?

In Lone Tree, the average day length in August is 13h and 40min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:59 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:31 pm MDT.

How many hours of sunshine does Lone Tree have in August?

In Lone Tree, the average sunshine duration in August is 11.8h.

What is the month with the highest UV index in Lone Tree?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Lone Tree, CO

Average temperature in August - Lone Tree, CO
  • Average high temperature in August: 84.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (40.3°F).

  • Average low temperature in August: 58.6°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

Average pressure in August
Lone Tree, CO

Average pressure in August - Lone Tree, CO
  • Average pressure in August: 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).

Average wind speed in August
Lone Tree, CO

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

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest months (with the lowest average wind speed) are August and December (6.5mph).

Average humidity in August
Lone Tree, CO

Average humidity in August - Lone Tree, CO
  • Average humidity in August: 43%

The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June, August and September (43%).

Average rainfall in August
Lone Tree, CO

Average rainfall in August - Lone Tree, CO
  • Average rainfall in August: 0.75"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in August
Lone Tree, CO

Average rainfall days in August - Lone Tree, CO
  • Average rainfall days in August: 9.2 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is November (3.4 days).

Average snowfall in August
Lone Tree, CO

Average snowfall in August - Lone Tree, CO
  • Average snowfall in August: 0"

The month with the highest snowfall is April (6.34").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Lone Tree, CO

Average snowfall days in August - Lone Tree, CO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Lone Tree, CO

Average daylight in August / Average sunshine in August - Lone Tree, CO
  • Average daylight in August: 13h 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 August: 11h and 5min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

Average sunshine days in August
Lone Tree, CO

Average sunshine days in August - Lone Tree, CO
  • Average sunshine days in August: 17.7 days

The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is April (12.7 days).

Average UV index in August
Lone Tree, CO

Average UV index in August - Lone Tree, 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
Lone Tree, CO

Average cloud cover in August - Lone Tree, CO
  • Average cloud cover in August: 16

The month with the most cloud cover is April (Cloud cover 26).
The months with the least cloud cover are June and September (Cloud cover 15).

Average visibility in August
Lone Tree, CO

Average visibility in August - Lone Tree, 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).

Lone Tree, Colorado, USA

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