August weather forecast
Boone, CO

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Weather in August

The last month of the summer, August, is also a hot month in Boone, Colorado, with an average temperature ranging between max 87.4°F (30.8°C) and min 64.9°F (18.3°C).

Temperature

The shift into August reveals an average high-temperature of a still tropical 87.4°F (30.8°C), closely mirroring July's climate. From significant daily highs, Boone's nights in August cool down to an average low-temperature of 64.9°F (18.3°C).

Heat index

The heat index value during August is computed to be a tropical 87.8°F (31°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 particularly meaningful for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In August, the average relative humidity is 41%.

Rainfall

In Boone, in August, during 11.3 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Boone, during the entire year, the rain falls for 83.6 days and collects up to 9.29" (236mm) of precipitation.

Snowfall

In Boone, 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 6:00 am and sunset at 8:06 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:27 pm MDT.

Sunshine

In Boone, the average sunshine in August is 11.7h.

UV index

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Boone during August?

The high-temperature, in August, in Boone, records 87.4°F (30.8°C), while the low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 87.8°F (31°C).

What is the average humidity in August?

In Boone, the average relative humidity in August is 41%.

How many days does it rain in August?

In August, the rain falls for 11.3 days. Throughout August, 1.22" (31mm) of precipitation is accumulated.

When it does not snow?

In Boone, snow does not fall in June through September.

How many hours of daylight does Boone have in August?

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

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:27 pm MDT.

How long on average sun shines in August?

In Boone, the average sunshine duration in August is 11.7h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index reading 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
Boone, CO

Average temperature in August - Boone, CO
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).

Average pressure in August
Boone, CO

Average pressure in August - Boone, CO
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is April (29.88"Hg).

Average wind speed in August
Boone, CO

Average wind speed in August - Boone, CO
  • Average wind speed in August: 7.2mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (7.1mph).

Average humidity in August
Boone, CO

Average humidity in August - Boone, CO
  • Average humidity in August: 41%

The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is June (36%).

Average rainfall in August
Boone, CO

Average rainfall in August - Boone, CO
  • Average rainfall in August: 1.22"

The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is December (0.28").

Average rainfall days in August
Boone, CO

Average rainfall days in August - Boone, CO
  • Average rainfall days in August: 11.3 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (2.3 days).

Average snowfall in August
Boone, CO

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

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Boone, CO

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

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Boone, 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 4min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in August
Boone, CO

Average sunshine days in August - Boone, CO
  • Average sunshine days in August: 14.7 days

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in August
Boone, CO

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

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

Average cloud cover in August
Boone, CO

Average cloud cover in August - Boone, CO
  • Average cloud cover in August: 16

The month with the most cloud cover is February (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in August
Boone, CO

Average visibility in August - Boone, 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).

Boone, Colorado, USA

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