August weather forecast and climate
Bellvue, CO

Weather in August

August, the last month of the summer, in Bellvue, is also a moderately hot month, with average temperature fluctuating between 55.2°F (12.9°C) and 81.5°F (27.5°C).

Temperature

In Bellvue, the average high-temperature in August is relatively the same as in July - a still moderately hot 81.5°F (27.5°C). In Bellvue, the average low-temperature is 55.2°F (12.9°C).

Heat index

The average heat index is appraised at 81.7°F (27.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like differences in body mass, height, and shape, metabolic differences, clothing, 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

June, August and September, with an average relative humidity of 45%, are the least humid months.

Rainfall

In August, in Bellvue, the rain falls for 10.8 days. Throughout August, 0.75" (19mm) of precipitation is accumulated. In Bellvue, during the entire year, the rain falls for 73.4 days and collects up to 7.64" (194mm) of precipitation.

Snowfall

In Bellvue snow does not fall in June through September.

Daylight

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

Sunshine

In August, the average sunshine is 11.6h.

UV index

In August, the average daily maximum UV index in Bellvue is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Bellvue?

In August, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 55.2°F (12.9°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), that represents influence of the relative humidity to air temperaure, is evaluated at 81.7°F (27.6°C).

What are the least humid months in Bellvue?

June, August and September, with an average relative humidity of 45%, are the least humid months in Bellvue.

What is the average humidity in August in Bellvue?

In August, the average relative humidity in Bellvue, Colorado, is 45%.

How many days does it rain in August in Bellvue?

In Bellvue, Colorado, in August, during 10.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

When it does not snow in Bellvue?

June through September are months without snowfall.

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

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

How long on average sun shines in August in Bellvue?

The average sunshine in August is 11.6h.

What is the UV index intensity in August in Bellvue?

The average daily maximum UV index in August in Bellvue, Colorado, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in August
Bellvue, CO

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

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (36.1°F).

  • Average low temperature in August: 55.2°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).

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Average pressure in August
Bellvue, CO

Average pressure in August - Bellvue, CO
  • Average pressure in August: 29.98"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in August
Bellvue, CO

Average wind speed in August - Bellvue, CO
  • Average wind speed in August: 5.6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in August
Bellvue, CO

Average humidity in August - Bellvue, CO
  • Average humidity in August: 45%

The month with the highest relative humidity is February (67%).
Months with the lowest relative humidity are June, August and September (45%).

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Average rainfall in August
Bellvue, CO

Average rainfall in August - Bellvue, CO
  • Average rainfall in August: 0.75"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.12").

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Average rainfall days in August
Bellvue, CO

Average rainfall days in August - Bellvue, CO
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (1.2 days).

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Average snowfall in August
Bellvue, CO

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

The month with the highest snowfall is April (3.27").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Bellvue, CO

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

The month with the highest number of snowfall days is February (4.3 days).
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
Bellvue, CO

Average daylight in August / Average sunshine in August - Bellvue, 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: 9.3h).

  • Average sunshine in August: 11.6h

The month with the most sunshine is June (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
Bellvue, CO

Average sunshine days in August - Bellvue, CO
  • Average sunshine days in August: 18.3 days

Months with the most sunshine days are January and December (27.5 days).
The month with the least sunshine days is July (14.9 days).

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Average UV index in August
Bellvue, CO

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

The month with the highest UV index is July (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
Bellvue, CO

Average cloud cover in August - Bellvue, CO
  • Average cloud cover in August: 18

Months with the most cloud cover are February, April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 16).

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Average visibility in August
Bellvue, CO

Average visibility in August - Bellvue, 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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