August weather forecast
Sterling, CO

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Weather in August

August observes almost the same weather characteristics as July despite minor reductions in maximum and minimum temperatures. The month is a celebration of summer in true sense with longer days and mild humidity. Distinguished by a prominent drop in rainfall from July to a lower 1.69" (43mm) over 13.3 days, August embodies the classic late-summer essence. It celebrates the glory of the season, preparing a transition into the cooler fall season in the upcoming months.

Temperature

Sterling transitions into August recording an average high-temperature of a still tropical 86.2°F (30.1°C), closely aligning with the preceding month's temperature. Sterling, amid August nights, sees a noteworthy disparity from daily highs with an average temperature of 63.3°F (17.4°C).

Heat index

The heat index in August is calculated to be a hot 87.8°F (31°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In Sterling, the average relative humidity in August is 48%.

Rainfall

In Sterling, in August, it is raining for 13.3 days, with typically 1.69" (43mm) of accumulated precipitation. In Sterling, Colorado, during the entire year, the rain falls for 123.2 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 44min.
On the first day of August, sunrise is at 5:50 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:26 pm MDT.

Sunshine

June and August, with an average of 11.7h of sunshine, are months with the most sunshine in Sterling.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 6 in August leads to these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

In Sterling, 86.2°F (30.1°C) is the average high-temperature and 63.3°F (17.4°C) is the average low-temperature during August. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 48%.

How much does it rain in August?

In Sterling, in August, it is raining for 13.3 days, with typically 1.69" (43mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

The average day length in August in Sterling is 13h and 44min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:50 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:26 pm MDT.

What is the month with the most sunshine in Sterling?

June and August, with an average of 11.7h of sunshine, are months with the most sunshine in Sterling.

How many hours of sunshine does Sterling have in August?

In Sterling, Colorado, the average sunshine duration in August is 11.7h.

What is the month with the highest UV index?

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

What is the UV index intensity in August in Sterling?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Sterling, CO

Average temperature in August - Sterling, CO
  • Average high temperature in August: 86.2°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (37.8°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (23°F).

Average pressure in August
Sterling, CO

Average pressure in August - Sterling, CO
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in August
Sterling, CO

Average wind speed in August - Sterling, CO
  • Average wind speed in August: 9mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

Average humidity in August
Sterling, CO

Average humidity in August - Sterling, CO
  • Average humidity in August: 48%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is September (47%).

Average rainfall in August
Sterling, CO

Average rainfall in August - Sterling, CO
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in August
Sterling, CO

Average rainfall days in August - Sterling, CO
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in August
Sterling, CO

Average snowfall in August - Sterling, 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").

Average snowfall days in August
Sterling, CO

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

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Sterling, 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 18min).

  • Average sunshine in August: 11h and 4min

The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in August
Sterling, CO

Average sunshine days in August - Sterling, CO
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in August
Sterling, CO

Average UV index in August - Sterling, 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).

Average cloud cover in August
Sterling, CO

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

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in August
Sterling, CO

Average visibility in August - Sterling, 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).

Sterling, Colorado, USA

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