August weather forecastHarrisonville, MO
August
Weather in August
The last month of the summer, August, is another warm month in Harrisonville, Missouri, with an average temperature ranging between max 84.7°F (29.3°C) and min 66°F (18.9°C).Temperature
The transition into August notes an average high-temperature of a warm 84.7°F (29.3°C), revealing a mild distinction from the 86.5°F (30.3°C) in July. The average nighttime temperature in Harrisonville lowers to a comfortable 66°F (18.9°C) throughout August.Heat index
In August, the average heat index is calculated to be a sweltering 95°F (35°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Heat index determinations are made taking into account the shade and light air movements. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
The average relative humidity in August is 77%.Rainfall
In Harrisonville, during August, the rain falls for 13.9 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Harrisonville, during the entire year, the rain falls for 129.2 days and collects up to 22.2" (564mm) of precipitation.Snowfall
In Harrisonville, snow does not fall in June through September.Daylight
The average length of the day in August in Harrisonville is 13h and 37min.On the first day of August, sunrise is at 6:19 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:48 pm CDT.
Sunshine
In Harrisonville, the average sunshine in August is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harrisonville, MO
- Average high temperature in August: 84.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in August: 66°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in August
Harrisonville, MO
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Harrisonville, MO
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in August
Harrisonville, MO
- Average humidity in August: 77%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Harrisonville, MO
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in August
Harrisonville, MO
- Average rainfall days in August: 13.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in August
Harrisonville, MO
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Harrisonville, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Harrisonville, MO
- Average daylight in August: 13h and 36min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in August
Harrisonville, MO
- Average sunshine days in August: 14.6 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (13 days).
Average UV index in August
Harrisonville, 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
Harrisonville, MO
- Average cloud cover in August: 27
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in August
Harrisonville, 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).
