August weather forecast
Broomfield, CO

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Neat and well-manicured lawns of a golf course in Broomfield, Colorado, colorful brown and golden trees amid classy homes during the fall
Neat and well-manicured lawns of a golf course in Broomfield, Colorado, colorful brown and golden trees amid classy homes during the fall

Weather in August

August in Broomfield generally brings warm weather, although maximum temperatures drop to 84.2°F (29°C). The month records a marginal decrease in rainfall to 0.55" (14mm), maintaining a low humidity level. Despite a drop in the daylight hours, sunshine remains constant, allowing residents to enjoy outdoor activities. The wind speed drops to 5.7mph (9.2km/h), bringing a calming effect. A UV index of 6 remains, making sun protection a priority when spending time outdoors.

Temperature

The shift into August in Broomfield uncovers an average high-temperature of a still moderately hot 84.2°F (29°C), subtly different from the previous month. A noteworthy temperature dip to a mild 57.4°F (14.1°C) is observed during the nights of August.

Heat index

The heat index for August is appraised at 84.2°F (29°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

With an average relative humidity of 41%, August is the least humid month.

Rainfall

In August, in Broomfield, the rain falls for 9.8 days. Throughout August, 0.55" (14mm) of precipitation is accumulated. Throughout the year, in Broomfield, there are 96.7 rainfall days, and 5.63" (143mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 42min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of August, in Broomfield, sunrise is at 6:28 am and sunset at 7:32 pm MDT.

Sunshine

The months with the most sunshine in Broomfield are June through August, with an average of 11.8h of sunshine.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot is August in Broomfield?

The high-temperature in Broomfield, Colorado, during August is 84.2°F (29°C) and the low-temperature is 57.4°F (14.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 84.2°F (29°C).

What is the least humid month in Broomfield?

With an average relative humidity of 41%, August is the least humid month in Broomfield.

What is the average humidity in August in Broomfield?

In August, the average relative humidity is 41%.

How much does it rain in Broomfield in August?

In Broomfield, in August, it is raining for 9.8 days, with typically 0.55" (14mm) of accumulated precipitation.

When it does not snow in Broomfield?

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

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

The average day length in August in Broomfield is 13h and 42min.

When is the sunrise / sunset in August in Broomfield?

On the first day of August in Broomfield, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:32 pm MDT.

What are the months with the most sunshine in Broomfield?

June through August, with an average of 11.8h of sunshine, are months with the most sunshine in Broomfield, Colorado.

How long on average sun shines in August in Broomfield?

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

What are the months with the highest UV index in Broomfield?

The months with the highest UV index in Broomfield, Colorado, are July and August, with an average maximum UV index of 6.

What is the UV index intensity in August in Broomfield?

In Broomfield, Colorado, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Broomfield, CO

Average temperature in August - Broomfield, CO
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (39.4°F).

  • Average low temperature in August: 57.4°F

The month with the highest average low temperature is July (59°F).
The coldest months (with the lowest average low temperature) are February and December (20.7°F).

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Average pressure in August
Broomfield, CO

Average pressure in August - Broomfield, CO
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

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Average wind speed in August
Broomfield, CO

Average wind speed in August - Broomfield, CO
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).

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Average humidity in August
Broomfield, CO

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

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in August
Broomfield, CO

Average rainfall in August - Broomfield, CO
  • Average rainfall in August: 0.55"

The wettest months (with the highest rainfall) are May and July (0.87").
The driest month (with the least rainfall) is January (0.16").

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Average rainfall days in August
Broomfield, CO

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

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is November (3.5 days).

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Average snowfall in August
Broomfield, CO

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

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Broomfield, CO

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

The month with the highest number of snowfall days is February (8.4 days).
The 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
Broomfield, CO

Average daylight in August / Average sunshine in August - Broomfield, CO
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
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, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in August
Broomfield, CO

Average sunshine days in August - Broomfield, CO
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (10 days).

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Average UV index in August
Broomfield, CO

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

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

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Average cloud cover in August
Broomfield, CO

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

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

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Average visibility in August
Broomfield, CO

Average visibility in August - Broomfield, 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).

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Broomfield, Colorado, USA

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