August weather forecast and climate
Fort Lyon, CO

Weather in August

The last month of the summer, August, is also a hot month in Fort Lyon, Colorado, with temperature in the range of an average high of 90.1°F (32.3°C) and an average low of 68.5°F (20.3°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still tropical 90.1°F (32.3°C). In Fort Lyon, in August, the average low-temperature is 68.5°F (20.3°C).

Heat index

The average heat index is evaluated at a hot 91.9°F (33.3°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like pregnancy, metabolic differences, clothing, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Fort Lyon is 43%.

Rainfall

In Fort Lyon, Colorado, it is raining for 11.3 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Fort Lyon, Colorado, there are 89.9 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

Snowfall

In Fort Lyon snow does not fall in June through September.

Daylight

In Fort Lyon, the average length of the day is 13.6h.

Sunshine

In August, the average sunshine is 11.8h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Fort Lyon. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Fort Lyon?

The average high-temperature, in August, in Fort Lyon, Colorado, is 90.1°F (32.3°C), while the average low-temperature is 68.5°F (20.3°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is calculated to 91.9°F (33.3°C).

What is the average humidity in August in Fort Lyon?

In August, the average relative humidity in Fort Lyon, Colorado, is 43%.

How much does it rain in Fort Lyon in August?

In Fort Lyon, in August, it is raining for 11.3 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Fort Lyon?

June through September are months without snowfall in Fort Lyon.

What is the average length of the day in August in Fort Lyon?

In Fort Lyon, Colorado, the average length of the day in August is 13.6h.

How many hours of sunshine does Fort Lyon have in August?

The average sunshine in August in Fort Lyon is 11.8h.

What are the months with the highest UV index in Fort Lyon?

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

What is the UV index reading in August in Fort Lyon?

In Fort Lyon, Colorado, the average daily maximum UV index in August is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.

Average temperature in August
Fort Lyon, CO

Average temperature in August - Fort Lyon, CO
  • Average high temperature in August: 90.1°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in August: 68.5°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

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Average pressure in August
Fort Lyon, CO

Average pressure in August - Fort Lyon, CO
  • Average pressure in August: 29.92"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed in August
Fort Lyon, CO

Average wind speed in August - Fort Lyon, CO
  • Average wind speed in August: 9.4mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is January (8.2mph).

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Average humidity in August
Fort Lyon, CO

Average humidity in August - Fort Lyon, CO
  • Average humidity in August: 43%

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (38%).

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Average rainfall in August
Fort Lyon, CO

Average rainfall in August - Fort Lyon, CO
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is July (1.81").
The driest months (with the least rainfall) are January, November and December (0.35").

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Average rainfall days in August
Fort Lyon, CO

Average rainfall days in August - Fort Lyon, CO
  • Average rainfall days in August: 11.3 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (3.3 days).

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Average snowfall in August
Fort Lyon, CO

Average snowfall in August - Fort Lyon, CO
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.17").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Fort Lyon, CO

Average snowfall days in August - Fort Lyon, CO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Fort Lyon, CO

Average daylight in August / Average sunshine in August - Fort Lyon, CO
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in August: 11.8h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 6.7h).

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Average sunshine days in August
Fort Lyon, CO

Average sunshine days in August - Fort Lyon, CO
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (13.2 days).

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Average UV index in August
Fort Lyon, CO

Average UV index in August - Fort Lyon, CO
  • Average UV index in August: 7

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

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Average cloud cover in August
Fort Lyon, CO

Average cloud cover in August - Fort Lyon, CO
  • Average cloud cover in August: 15

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

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Average visibility in August
Fort Lyon, CO

Average visibility in August - Fort Lyon, CO
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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