August weather forecastMontreal, AR
August
Weather in August
August, the last month of the summer in Montreal, is another hot month, with an average temperature ranging between min 69.4°F (20.8°C) and max 92.3°F (33.5°C).Temperature
August denotes a minimal variation in the average high-temperature to a still tropical 92.3°F (33.5°C) from July's 93.4°F (34.1°C). The temperature notes a substantial fall from the daily peak to an average of 69.4°F (20.8°C) during August nights.Heat index
August's mean heat index is computed to be a life-threatening hot 113°F (45°C). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The least humid month is August, with an average relative humidity of 69%.Rainfall
In Montreal, in August, it is raining for 14.9 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, there are 149.7 rainfall days, and 35.08" (891mm) of precipitation is accumulated.Snowfall
In Montreal, snow does not fall in April through October.Daylight
The average length of the day in August is 13h and 26min.On the first day of August, sunrise is at 6:27 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:45 pm CDT.
Sunshine
July and August, with an average of 10.8h of sunshine, are months with the most sunshine.UV index
In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Montreal, AR
- Average high temperature in August: 92.3°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in August: 69.4°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in August
Montreal, AR
- 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 (29.93"Hg).
Average wind speed in August
Montreal, AR
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Montreal, AR
- Average humidity in August: 69%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (69%).
Average rainfall in August
Montreal, AR
- Average rainfall in August: 3.27"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in August
Montreal, AR
- Average rainfall days in August: 14.9 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in August
Montreal, AR
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Montreal, AR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Montreal, AR
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in August
Montreal, AR
- Average sunshine days in August: 13.8 days
The months with the most sunshine days are November and December (19.3 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in August
Montreal, AR
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in August
Montreal, AR
- Average cloud cover in August: 24
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in August
Montreal, AR
- 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).





