August weather forecastIsmay, MT
August
Weather in August
The last month of the summer, August, is another warm month in Ismay, Montana, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 81.9°F (27.7°C).Temperature
Ismay notes an average high-temperature of a still warm 81.9°F (27.7°C) in August, displaying minor variation from July. During the month of August, Ismay anticipates a mean low-temperature of 62.2°F (16.8°C).Heat index
The average heat index in August is evaluated at 82.4°F (28°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 highly critical for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
With an average relative humidity of 46%, August is the least humid month.Rainfall
In Ismay, during August, the rain falls for 13.5 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in Ismay, there are 109 rainfall days, and 15.12" (384mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall in Ismay, Montana.Daylight
In August, the average length of the day is 14h and 7min.On the first day of August in Ismay, sunrise is at 5:41 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:39 pm MDT.
Sunshine
July and August, with an average of 11.6h of sunshine, are months with the most sunshine in Ismay.UV index
In August, the average daily maximum UV index in Ismay, Montana, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: In August, the maximum UV index of 6 suggests these recommendations:
Shield from overexposure. Defense against sun-related harm is required. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ismay, MT
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in August
Ismay, MT
- Average pressure in August: 29.88"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Ismay, MT
- Average wind speed in August: 10.1mph
The windiest months (with the highest average wind speed) are April and October (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (10.1mph).
Average humidity in August
Ismay, MT
- Average humidity in August: 46%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (46%).
Average rainfall in August
Ismay, MT
- Average rainfall in August: 1.38"
The wettest month (with the highest rainfall) is May (2.6").
The driest months (with the least rainfall) are January and December (0.55").
Average rainfall days in August
Ismay, MT
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in August
Ismay, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Ismay, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (12 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Ismay, MT
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 11h and 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in August
Ismay, MT
- Average sunshine days in August: 14 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in August
Ismay, MT
- 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 and December (UV index 1).
Average cloud cover in August
Ismay, MT
- Average cloud cover in August: 18
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in August
Ismay, MT
- 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).
