August weather forecast
Fountain, CO

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Weather in August

August witnesses a subtle change in Fountain, Colorado's weather as it begins transitioning from Summer to Fall. The temperature slightly decreases, marking relief from July's scorching temperatures. Despite the onset of cooling, August maintains its grip on summer characteristics like extended sunshine hours and opportune rainfall. The rain witnessed during this period is less intense than the previous July showers at 1.54" (39mm). With the upcoming month of September, one can anticipate a gradual shift towards clearer skies and cooler temperatures.

Temperature

Fountain transitions into August recording an average high-temperature of a still moderately hot 81.5°F (27.5°C), closely aligning with the preceding month's temperature. Fountain's average nighttime temperature descends significantly from the day's peak in August, settling at a moderate 58.1°F (14.5°C).

Heat index

The average heat index in August is calculated to be 82.4°F (28°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In August, the average relative humidity is 47%.

Rainfall

In Fountain, in August, it is raining for 14.4 days, with typically 1.54" (39mm) of accumulated precipitation. In Fountain, during the entire year, the rain falls for 121.1 days and collects up to 12.99" (330mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 13h and 37min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:29 pm MDT.

Sunshine

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

UV index

In Fountain, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In August, a regular UV index of 5 translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

The high-temperature during August is 81.5°F (27.5°C) and the low-temperature is 58.1°F (14.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 82.4°F (28°C).

What is the average humidity in August?

The average relative humidity in August in Fountain is 47%.

How many days does it rain in August?

In Fountain, during August, the rain falls for 14.4 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow?

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

What is the average length of the day in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:01 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:29 pm MDT.

How long on average sun shines in August?

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

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Fountain, CO

Average temperature in August - Fountain, CO
  • Average high temperature in August: 81.5°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (39.2°F).

  • Average low temperature in August: 58.1°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

Average pressure in August
Fountain, CO

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).

Average wind speed in August
Fountain, CO

Average wind speed in August - Fountain, CO
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in August
Fountain, CO

Average humidity in August - Fountain, CO
  • Average humidity in August: 47%

The month with the highest relative humidity is February (63%).
The month with the lowest relative humidity is June (41%).

Average rainfall in August
Fountain, CO

Average rainfall in August - Fountain, CO
  • Average rainfall in August: 1.54"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is December (0.43").

Average rainfall days in August
Fountain, CO

Average rainfall days in August - Fountain, CO
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (4.4 days).

Average snowfall in August
Fountain, CO

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

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Fountain, CO

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

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

Average sunshine days in August
Fountain, CO

Average sunshine days in August - Fountain, CO
  • Average sunshine days in August: 9.5 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in August
Fountain, CO

Average UV index in August - Fountain, CO
  • Average UV index in August: 5

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

Average cloud cover in August
Fountain, CO

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

The month with the most cloud cover is April (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 15).

Average visibility in August
Fountain, CO

Average visibility in August - Fountain, 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).

Fountain, Colorado, USA

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