August weather forecast
Rockvale, CO

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Weather in August

The last month of the summer, August, is also a moderately hot month in Rockvale, Colorado, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 84.6°F (29.2°C).

Temperature

Rockvale records an average high-temperature of a moderately hot 84.6°F (29.2°C) in August, closely mirroring the climate of the previous month. The month of August sees a significant daily temperature drop, recording an average low-temperature of 61.3°F (16.3°C) in Rockvale.

Heat index

Throughout August, the heat index is estimated at 84.2°F (29°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Heat index determinations are made taking into account the shade and light air movements. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In August, the average relative humidity in Rockvale is 44%.

Rainfall

In August, in Rockvale, the rain falls for 19 days. Throughout August, 2.44" (62mm) of precipitation is accumulated. In Rockvale, during the entire year, the rain falls for 120.5 days and collects up to 14.92" (379mm) of precipitation.

Snowfall

In Rockvale, Colorado, snow does not fall in June through September.

Daylight

In August, the average length of the day in Rockvale, Colorado, is 13h and 37min.
On the first day of August, sunrise is at 6:03 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:31 pm MDT.

Sunshine

In August, the average sunshine is 11.8h.

UV index

The months with the highest UV index in Rockvale, Colorado, are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Rockvale during August?

The high-temperature, in August, in Rockvale, records 84.6°F (29.2°C), while the low-temperature is 61.3°F (16.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 84.2°F (29°C).

What is the average humidity in August in Rockvale?

In Rockvale, Colorado, the average relative humidity in August is 44%.

How much does it rain in Rockvale in August?

In Rockvale, Colorado, during August, the rain falls for 19 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Rockvale?

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

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

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

When is the sunrise / sunset in August in Rockvale?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:31 pm MDT.

How many hours of sunshine does Rockvale have in August?

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

When is the highest UV index in Rockvale?

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

How high is the UV index in August in Rockvale?

In Rockvale, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from 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
Rockvale, CO

Average temperature in August - Rockvale, CO
  • Average high temperature in August: 84.6°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (41.5°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).

Average pressure in August
Rockvale, CO

Average pressure in August - Rockvale, 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 (29.89"Hg).

Average wind speed in August
Rockvale, CO

Average wind speed in August - Rockvale, CO
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in August
Rockvale, CO

Average humidity in August - Rockvale, CO
  • Average humidity in August: 44%

The month with the highest relative humidity is February (62%).
The month with the lowest relative humidity is June (38%).

Average rainfall in August
Rockvale, CO

Average rainfall in August - Rockvale, CO
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is November (0.43").

Average rainfall days in August
Rockvale, CO

Average rainfall days in August - Rockvale, CO
  • Average rainfall days in August: 19 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (3.9 days).

Average snowfall in August
Rockvale, CO

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

The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Rockvale, CO

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

The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Rockvale, 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: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

Average sunshine days in August
Rockvale, CO

Average sunshine days in August - Rockvale, CO
  • Average sunshine days in August: 6.4 days

The month with the most sunshine days is November (23.8 days).
The month with the least sunshine days is July (5.1 days).

Average UV index in August
Rockvale, CO

Average UV index in August - Rockvale, 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
Rockvale, CO

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

The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June and September (Cloud cover 14).

Average visibility in August
Rockvale, CO

Average visibility in August - Rockvale, 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).

Rockvale, Colorado, USA

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