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
Arnold notes an average high-temperature of a moderately hot 85.6°F (29.8°C) in August, displaying minor variation from July. In August, Arnold reports a consistent average low-temperature of 66.9°F (19.4°C) during the nights.Heat index
August's mean heat index is evaluated at a sweltering 96.8°F (36°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
The average relative humidity in August in Arnold is 75%.Rainfall
In Arnold, Missouri, in August, it is raining for 14.1 days, with typically 3.39" (86mm) of accumulated precipitation. In Arnold, during the entire year, the rain falls for 146.1 days and collects up to 32.36" (822mm) of precipitation.Snowfall
In Arnold, snow does not fall in April through October.Daylight
In August, the average length of the day in Arnold is 13h and 37min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:11 pm. On the last day of August, in Arnold, sunrise is at 6:30 am and sunset at 7:32 pm CDT.
Sunshine
In August, the average sunshine in Arnold is 10.2h.UV index
The months with the highest UV index in Arnold are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during August translates into the following directions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
How hot is it in Arnold in August?
What is the average humidity in August in Arnold?
How much does it rain in Arnold in August?
When it does not snow in Arnold?
What is the average length of the day in August in Arnold?
When is the sunrise / sunset in August in Arnold?
How long on average sun shines in August in Arnold?
What is the month with the highest UV index in Arnold?
How high is the UV index in August in Arnold?
Average temperature in August
Arnold, MO
- Average high temperature in August: 85.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in August: 66.9°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in August
Arnold, MO
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Arnold, MO
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in August
Arnold, MO
- Average humidity in August: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Arnold, MO
- Average rainfall in August: 3.39"
The wettest month (with the highest rainfall) is May (3.94").
The driest months (with the least rainfall) are February and November (1.77").
Average rainfall days in August
Arnold, MO
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is July (16.9 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in August
Arnold, MO
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Arnold, MO
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Arnold, MO
- 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: 10h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Arnold, MO
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in August
Arnold, MO
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Arnold, MO
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Arnold, MO
- 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).
Arnold, Missouri, USA
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