August weather forecast
Arlington, CO

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Weather in August

August, the last month of the summer in Arlington, is another tropical month, with an average temperature fluctuating between 68.4°F (20.2°C) and 90°F (32.2°C).

Temperature

The advent of August presents an average high-temperature of a still hot 90°F (32.2°C), maintaining a close correlation with the preceding month. Arlington anticipates a stark contrast in temperature during August nights, with an average low of 68.4°F (20.2°C).

Heat index

The average heat index in August is appraised at a tropical 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Note that heat index values are valued for light wind and location in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In Arlington, the average relative humidity in August is 42%.

Rainfall

In Arlington, Colorado, in August, during 10.4 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in Arlington, there are 83.3 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day in Arlington, Colorado, is 13h and 37min.
On the first day of the month, sunrise is at 5:56 am and sunset at 8:02 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:24 pm MDT.

Sunshine

The average sunshine in August in Arlington is 11.8h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Arlington. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 in August translates into these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Arlington in August?

An average high-temperature, in August, in Arlington, is 90°F (32.2°C) and the average low-temperature is 68.4°F (20.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 91.4°F (33°C).

What is the average humidity in August in Arlington?

The average relative humidity in August in Arlington is 42%.

How much does it rain in Arlington in August?

In August, the rain falls for 10.4 days. Throughout August, 1.38" (35mm) of precipitation is accumulated.

When it does not snow in Arlington?

May through September are months without snowfall.

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

In August, the average day length in Arlington is 13h and 37min.

When is the sunrise / sunset in August in Arlington?

In August, on the first day of the month, sunrise is at 5:56 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:24 pm MDT.

How long on average sun shines in August in Arlington?

In Arlington, Colorado, the average sunshine duration in August is 11.8h.

When is the highest UV index in Arlington?

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

How high is the UV index in August in Arlington?

In Arlington, the average daily maximum UV index in August is 7. A UV Index reading of 6 to 7 represents a high health threat 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
Arlington, CO

Average temperature in August - Arlington, CO
  • Average high temperature in August: 90°F

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in August: 68.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

Average pressure in August
Arlington, CO

Average pressure in August - Arlington, CO
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in August
Arlington, CO

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

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest months (with the lowest average wind speed) are January and December (7.8mph).

Average humidity in August
Arlington, CO

Average humidity in August - Arlington, CO
  • Average humidity in August: 42%

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (37%).

Average rainfall in August
Arlington, CO

Average rainfall in August - Arlington, CO
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is November (0.31").

Average rainfall days in August
Arlington, CO

Average rainfall days in August - Arlington, CO
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in August
Arlington, CO

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

The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Arlington, CO

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

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Arlington, 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 30min).

  • 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 42min).

Average sunshine days in August
Arlington, CO

Average sunshine days in August - Arlington, CO
  • Average sunshine days in August: 17 days

The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (14.9 days).

Average UV index in August
Arlington, CO

Average UV index in August - Arlington, 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
Arlington, CO

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

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

Average visibility in August
Arlington, CO

Average visibility in August - Arlington, 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).

Arlington, Colorado, USA

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