August weather forecastFortescue, MO
August
Weather in August
August, the last month of the summer in Fortescue, is another warm month, with an average temperature fluctuating between 84.2°F (29°C) and 64.4°F (18°C).Temperature
August's arrival shows an average high-temperature of a moderately hot 84.2°F (29°C), hardly different from the previous month. Fortescue sees an average low-temperature of 64.4°F (18°C) during August.Heat index
The heat index value during August is evaluated at a tropical 93.2°F (34°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The months with the highest humidity are January, June through August, with an average relative humidity of 76%.Rainfall
In Fortescue, in August, during 12.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Fortescue, during the entire year, the rain falls for 120.1 days and collects up to 22.8" (579mm) of precipitation.Snowfall
In Fortescue, snow does not fall in May through September.Daylight
The average length of the day in August in Fortescue is 13h and 42min.On the first day of August, sunrise is at 6:20 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:53 pm CDT.
Sunshine
In August, the average sunshine in Fortescue is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Fortescue, MO
- Average high temperature in August: 84.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in August: 64.4°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in August
Fortescue, MO
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Fortescue, MO
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in August
Fortescue, MO
- Average humidity in August: 76%
The months with the highest relative humidity are January, June, July and August (76%).
The month with the lowest relative humidity is October (66%).
Average rainfall in August
Fortescue, MO
- Average rainfall in August: 2.44"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in August
Fortescue, MO
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in August
Fortescue, MO
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Fortescue, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.2 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
Fortescue, MO
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 10h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in August
Fortescue, MO
- Average sunshine days in August: 15.2 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is May (12 days).
Average UV index in August
Fortescue, 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
Fortescue, MO
- Average cloud cover in August: 28
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in August
Fortescue, 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).
