August weather forecastGranby, MO
August
Weather in August
August, the last month of the summer in Granby, is another hot month, with an average temperature fluctuating between 67.3°F (19.6°C) and 87.6°F (30.9°C).Temperature
Transitioning into August, Granby records an average high-temperature of a still hot 87.6°F (30.9°C), almost identical to July's 89.4°F (31.9°C). Granby temperatures generally rest at a low of 67.3°F (19.6°C) during the August nights.Heat index
In August, the average heat index is evaluated at a torrid 100.4°F (38°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
July, August and October, with an average relative humidity of 72%, are the least humid months in Granby.Rainfall
In Granby, during August, the rain falls for 13.7 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Granby, during the entire year, the rain falls for 151.1 days and collects up to 33.35" (847mm) of precipitation.Snowfall
In Granby, snow does not fall in June through September.Daylight
In Granby, the average length of the day in August is 13h and 32min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:23 pm. On the last day of August, in Granby, Missouri, sunrise is at 6:47 am and sunset at 7:46 pm CDT.
Sunshine
The average sunshine in August is 10.7h.UV index
In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In August, the maximum UV index of 6 suggests this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Granby, MO
- Average high temperature in August: 87.6°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in August: 67.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in August
Granby, MO
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Granby, MO
- Average wind speed in August: 6.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in August
Granby, MO
- Average humidity in August: 72%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July, August and October (72%).
Average rainfall in August
Granby, MO
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is May (5.35").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in August
Granby, MO
- Average rainfall days in August: 13.7 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is December (8.2 days).
Average snowfall in August
Granby, MO
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Granby, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Granby, MO
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in August
Granby, MO
- Average sunshine days in August: 16.1 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in August
Granby, MO
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Granby, MO
- Average cloud cover in August: 24
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in August
Granby, 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).
