August weather forecast
Arvada, WY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Arvada, Wyoming, with an average temperature ranging between max 82.8°F (28.2°C) and min 62.8°F (17.1°C).

Temperature

The average high-temperature during August registers at a still moderately hot 82.8°F (28.2°C), maintaining a close resemblance to the previous month. During the month of August, the temperature in Arvada falls to an average of 62.8°F (17.1°C).

Humidity

The least humid month in Arvada is August, with an average relative humidity of 38%.

Rainfall

In Arvada, in August, during 10.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Arvada, during the entire year, the rain falls for 99.8 days and collects up to 11.61" (295mm) of precipitation.

Snowfall

In Arvada, snow does not fall in July and August.

Daylight

The average length of the day in August in Arvada is 13h and 59min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:29 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:42 pm MDT.

Sunshine

The average sunshine in August in Arvada is 11.8h.

UV index

The average daily maximum UV index in August in Arvada is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In August, the UV index of 6 transforms into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Arvada?

The average high-temperature, in August, in Arvada, is 82.8°F (28.2°C), while the average low-temperature is 62.8°F (17.1°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 84.2°F (29°C).

What is the least humid month in Arvada?

The least humid month in Arvada is August, with an average relative humidity of 38%.

What is the average humidity in August in Arvada?

The average relative humidity in August is 38%.

How many days does it rain in August in Arvada?

In Arvada, during August, the rain falls for 10.8 days and regularly aggregates up to 0.91" (23mm) of precipitation.

When it does not snow in Arvada?

July and August are months without snowfall in Arvada, Wyoming.

Does it snow in Arvada in August?

In Arvada, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Arvada have in August?

In Arvada, Wyoming, the average day length in August is 13h and 59min.

When are sunrise and sunset in August in Arvada?

In August, on the first day of the month, sunrise is at 5:51 am and sunset at 8:29 pm. On the last day of the month, in Arvada, sunrise is at 6:26 am and sunset at 7:42 pm MDT.

How many hours of sunshine does Arvada have in August?

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

What is the UV index reading in August in Arvada?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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
Arvada, WY

Average temperature in August - Arvada, WY
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is February (31.5°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).

Average pressure in August
Arvada, WY

Average pressure in August - Arvada, WY
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in August
Arvada, WY

Average wind speed in August - Arvada, WY
  • Average wind speed in August: 7.5mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).

Average humidity in August
Arvada, WY

Average humidity in August - Arvada, WY
  • Average humidity in August: 38%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (38%).

Average rainfall in August
Arvada, WY

Average rainfall in August - Arvada, WY
  • Average rainfall in August: 0.91"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in August
Arvada, WY

Average rainfall days in August - Arvada, WY
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is December (2.5 days).

Average snowfall in August
Arvada, WY

Average snowfall in August - Arvada, WY
  • Average snowfall in August: 0"

The month with the highest snowfall is April (3.46").
The months with the least snowfall are July and August (0").

Average snowfall days in August
Arvada, WY

Average snowfall days in August - Arvada, WY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is November (7.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in August /
Average sunshine in August
Arvada, WY

Average daylight in August / Average sunshine in August - Arvada, WY
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

Average sunshine days in August
Arvada, WY

Average sunshine days in August - Arvada, WY
  • Average sunshine days in August: 14.9 days

The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is May (11 days).

Average UV index in August
Arvada, WY

Average UV index in August - Arvada, WY
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Arvada, WY

Average cloud cover in August - Arvada, WY
  • Average cloud cover in August: 15

The month with the most cloud cover is February (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in August
Arvada, WY

Average visibility in August - Arvada, WY
  • 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).

Arvada, Wyoming, USA

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