August weather forecast and climate
Frederick, CO

Weather in August

The last month of the summer, August, is another hot month in Frederick, Colorado, with average temperature ranging between max 88.2°F (31.2°C) and min 59.9°F (15.5°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still tropical 88.2°F (31.2°C). In August, in Frederick, the average low-temperature is 59.9°F (15.5°C).

Heat index

In August, the average heat index is appraised at a tropical 88.2°F (31.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
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 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like pregnancy, clothing, wind, 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 especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The least humid month in Frederick is August, with an average relative humidity of 40%.

Rainfall

In Frederick, Colorado, during 9.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Frederick, during the entire year, the rain falls for 87 days and collects up to 9.88" (251mm) of precipitation.

Snowfall

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

Daylight

In Frederick, the average length of the day in August is 13.7h.

Sunshine

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

UV index

Months with the highest UV index in Frederick are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Frederick?

The average high-temperature, in August, in Frederick, Colorado, is 88.2°F (31.2°C), while the average low-temperature is 59.9°F (15.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, in August is estimated at 88.2°F (31.2°C).

What is the least humid month in Frederick?

The least humid month in Frederick is August, with an average relative humidity of 40%.

What is the average humidity in August in Frederick?

The average relative humidity in August in Frederick, Colorado, is 40%.

How many days does it rain in August in Frederick?

In Frederick, Colorado, during August, the rain falls for 9.8 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Frederick?

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

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

In August, the average length of the day in Frederick, Colorado, is 13.7h.

How many hours of sunshine does Frederick have in August?

The average sunshine in August in Frederick, Colorado, is 11.7h.

What is the month with the highest UV index in Frederick?

Months with the highest UV index in Frederick, Colorado, are June through August, with an average maximum UV index of 6.

What is the UV index reading in August in Frederick?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in August
Frederick, CO

Average temperature in August - Frederick, CO
  • Average high temperature in August: 88.2°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 (40.8°F).

  • Average low temperature in August: 59.9°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (21°F).

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Average pressure in August
Frederick, CO

Average pressure in August - Frederick, CO
  • Average pressure in August: 29.99"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in August
Frederick, CO

Average wind speed in August - Frederick, CO
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).

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Average humidity in August
Frederick, CO

Average humidity in August - Frederick, CO
  • Average humidity in August: 40%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in August
Frederick, CO

Average rainfall in August - Frederick, CO
  • Average rainfall in August: 0.79"

The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and December (0.35").

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Average rainfall days in August
Frederick, CO

Average rainfall days in August - Frederick, CO
  • Average rainfall days in August: 9.8 days

Months with the highest number of rainy days are May and July (12.3 days).
Months with the least rainy days are January and December (3 days).

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Average snowfall in August
Frederick, CO

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

The month with the highest snowfall is April (4.45").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Frederick, CO

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

The month with the highest number of snowfall days is February (7.8 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Frederick, CO
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 11.7h

Months with the most sunshine are June and July (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.7h).

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Average sunshine days in August
Frederick, CO

Average sunshine days in August - Frederick, CO
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in August
Frederick, CO

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Frederick, CO

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

The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in August
Frederick, CO

Average visibility in August - Frederick, 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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