August weather forecastRapelje, MT
August
Weather in August
August, the last month of the summer in Rapelje, is another warm month, with an average temperature ranging between max 81.1°F (27.3°C) and min 57.2°F (14°C).Temperature
The arrival of August records an average high-temperature of a still moderately hot 81.1°F (27.3°C), closely related to the 82.6°F (28.1°C) observed in July. Throughout August, Rapelje registers a distinct decrease from daytime highs, reaching an average low of 57.2°F (14°C).Heat index
The heat index value during August is computed to be 80.6°F (27°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The least humid month is August, with an average relative humidity of 41%.Rainfall
In Rapelje, in August, it is raining for 10.1 days, with typically 0.71" (18mm) of accumulated precipitation. In Rapelje, during the entire year, the rain falls for 125.4 days and collects up to 14.49" (368mm) of precipitation.Snowfall
June through August are months without snowfall in Rapelje, Montana.Daylight
In Rapelje, the average length of the day in August is 14h and 5min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:46 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:56 pm MDT.
Sunshine
In August, the average sunshine is 11.7h.UV index
The average daily maximum UV index in August in Rapelje is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rapelje, MT
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in August: 57.2°F
The month with the highest average low temperature is August (57.2°F).
The coldest month (with the lowest average low temperature) is February (17.4°F).
Average pressure in August
Rapelje, MT
- Average pressure in August: 29.93"Hg
The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Rapelje, MT
- Average wind speed in August: 6.1mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in August
Rapelje, MT
- Average humidity in August: 41%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).
Average rainfall in August
Rapelje, MT
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in August
Rapelje, MT
- Average rainfall days in August: 10.1 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in August
Rapelje, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (7.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Rapelje, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (13.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Rapelje, MT
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 11h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in August
Rapelje, MT
- Average sunshine days in August: 16.5 days
The month with the most sunshine days is September (18.9 days).
The month with the least sunshine days is April (9.5 days).
Average UV index in August
Rapelje, MT
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Rapelje, MT
- Average cloud cover in August: 14
The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in August
Rapelje, 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).
