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
Defiance starts August with an average high-temperature of a moderately hot 85.5°F (29.7°C), hinting at a minimal fluctuation from July. During August, an average low-temperature of 66°F (18.9°C) is observed.Heat index
The heat index in August is estimated at a sweltering 96.8°F (36°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In August, the average relative humidity is 76%.Rainfall
In Defiance, in August, it is raining for 14.5 days, with typically 3.07" (78mm) of accumulated precipitation. In Defiance, during the entire year, the rain falls for 152.1 days and collects up to 32.01" (813mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in August is 13h and 37min.On the first day of August in Defiance, sunrise is at 6:05 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:34 pm CDT.
Sunshine
In August, the average sunshine is 10.3h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in August translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during August?
What is the average humidity in August in Defiance?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Defiance have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Defiance have in August?
What are the months with the highest UV index?
How high is the UV index in August in Defiance?
Average temperature in August
Defiance, MO
- Average high temperature in August: 85.5°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in August: 66°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in August
Defiance, MO
- Average pressure in August: 29.97"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
Defiance, MO
- Average wind speed in August: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in August
Defiance, MO
- Average humidity in August: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Defiance, MO
- Average rainfall in August: 3.07"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in August
Defiance, MO
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in August
Defiance, MO
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Defiance, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.3 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
Defiance, 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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in August
Defiance, MO
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in August
Defiance, 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, November and December (UV index 2).
Average cloud cover in August
Defiance, MO
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Defiance, 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).
Defiance, Missouri, USA
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