August weather forecast
Northglenn, CO

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Weather in August

August continues the summer spell albeit with marginally cooler temperatures, providing some respite from July's heated peak. The city still experiences long hours of sunlight and appreciable warm temperatures. Rainfall decreases, further enhancing the summer spirit. Despite the high summer temperatures, persistent weather changes mean rain showers can still offer surprise appearances, a trait of Northglenn's complex weather systems.

Temperature

In August, Northglenn experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 87.1°F (30.6°C), closely mirroring the climate in July. From the heights of the August heat, Northglenn records a mean nighttime low of 60.3°F (15.7°C).

Humidity

With an average relative humidity of 39%, August is the least humid month.

Rainfall

In August, in Northglenn, the rain falls for 5.3 days. Throughout August, 0.24" (6mm) of precipitation is accumulated. Throughout the year, in Northglenn, there are 48.3 rainfall days, and 3.19" (81mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 41min.
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, sunrise is at 6:27 am and sunset at 7:32 pm MDT.

Sunshine

In Northglenn, the average sunshine in August is 11.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

How hot is August in Northglenn?

An average high-temperature, in August, in Northglenn, is 87.1°F (30.6°C) and the average low-temperature is 60.3°F (15.7°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the least humid month in Northglenn?

The least humid month in Northglenn is August, with an average relative humidity of 39%.

What is the average humidity in August in Northglenn?

In Northglenn, the average relative humidity in August is 39%.

How many days does it rain in August in Northglenn?

In Northglenn, Colorado, in August, it is raining for 5.3 days, with typically 0.24" (6mm) of accumulated precipitation.

When it does not snow in Northglenn?

June through September are months without snowfall.

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

In Northglenn, the average day length in August is 13h and 41min.

What time are sunrise and sunset in August in Northglenn?

On the first day of August in Northglenn, Colorado, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm MDT.

How many hours of sunshine does Northglenn have in August?

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

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

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Northglenn?

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

Average temperature in August - Northglenn, CO
  • Average high temperature in August: 87.1°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in August: 60.3°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

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Average pressure in August
Northglenn, CO

Average pressure in August - Northglenn, CO
  • Average pressure in August: 30"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
Northglenn, CO

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

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

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Average humidity in August
Northglenn, CO

Average humidity in August - Northglenn, CO
  • Average humidity in August: 39%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in August
Northglenn, CO

Average rainfall in August - Northglenn, CO
  • Average rainfall in August: 0.24"

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are January and December (0.08").

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Average rainfall days in August
Northglenn, CO

Average rainfall days in August - Northglenn, CO
  • Average rainfall days in August: 5.3 days

The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is February (1.2 days).

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Average snowfall in August
Northglenn, CO

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

The month with the highest snowfall is October (1.42").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Northglenn, CO

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

The month with the highest number of snowfall days is February (4.7 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
Northglenn, CO

Average daylight in August / Average sunshine in August - Northglenn, 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 and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in August
Northglenn, CO

Average sunshine days in August - Northglenn, CO
  • Average sunshine days in August: 22.3 days

The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is July (19.6 days).

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Average UV index in August
Northglenn, CO

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

The months with the highest UV index are June, 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
Northglenn, CO

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

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

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Average visibility in August
Northglenn, CO

Average visibility in August - Northglenn, 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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Northglenn, Colorado, USA

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