Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
As August takes hold, the average high-temperature is a still moderately hot 83.8°F (28.8°C), nearly mirroring that of the previous month. Arvada logs a considerable temperature decrease from the daytime highs during the nights in August, with an average reading of 58.5°F (14.7°C).Heat index
In August, the average heat index is estimated at 82.4°F (28°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
The months with the lowest humidity are June and August, with an average relative humidity of 41%.Rainfall
In Arvada, during August, the rain falls for 9.6 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 95 rainfall days, and 10.08" (256mm) of precipitation is accumulated.Snowfall
In Arvada, snow does not fall in June through September.Daylight
In Arvada, the average length of the day in August is 13h and 41min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:32 pm MDT.
Sunshine
In Arvada, the average sunshine in August is 11.8h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in August leads to these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in August?
What are the least humid months?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Arvada have in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
What is the month with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Arvada, CO
- Average high temperature in August: 83.8°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (39.6°F).
- Average low temperature in August: 58.5°F
The month with the highest average low temperature is July (59.5°F).
The coldest months (with the lowest average low temperature) are February and December (20.7°F).
Average pressure in August
Arvada, CO
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in August
Arvada, CO
- Average wind speed in August: 5.7mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).
Average humidity in August
Arvada, CO
- Average humidity in August: 41%
The month with the highest relative humidity is February (66%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in August
Arvada, CO
- Average rainfall in August: 0.67"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in August
Arvada, CO
- Average rainfall days in August: 9.6 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in August
Arvada, CO
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Arvada, CO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Arvada, CO
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 11h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in August
Arvada, CO
- Average sunshine days in August: 16.5 days
The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in August
Arvada, 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
Arvada, CO
- Average cloud cover in August: 16
The month with the most cloud cover is April (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in August
Arvada, 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).
Arvada, Colorado, USA
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