August weather forecastShepherd, MT
August
Weather in August
August, the last month of the summer in Shepherd, is also a moderately hot month, with an average temperature ranging between min 60.6°F (15.9°C) and max 83.5°F (28.6°C).Temperature
In August, Shepherd experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 85.5°F (29.7°C) in July to a still moderately hot 83.5°F (28.6°C). A significant temperature decrease to an average a mild 60.6°F (15.9°C) characterizes Shepherd's nighttime temperatures during August.Heat index
August's mean heat index is computed to be 82.4°F (28°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
With an average relative humidity of 40%, August is the least humid month.Rainfall
In Shepherd, Montana, in August, it is raining for 9.3 days, with typically 0.63" (16mm) of accumulated precipitation. In Shepherd, Montana, during the entire year, the rain falls for 120.5 days and collects up to 13.54" (344mm) of precipitation.Snowfall
June through August are months without snowfall in Shepherd.Daylight
In Shepherd, Montana, the average length of the day in August is 14h and 5min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:42 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:52 pm MDT.
Sunshine
The average sunshine in August in Shepherd, Montana, is 11.6h.UV index
The average daily maximum UV index in August in Shepherd is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to 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. Protection against sun damage is needed. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Shepherd, MT
- Average high temperature in August: 83.5°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in August: 60.6°F
The months with the highest average low temperature are July and August (60.6°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure in August
Shepherd, MT
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Shepherd, MT
- Average wind speed in August: 7.2mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in August
Shepherd, MT
- Average humidity in August: 40%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).
Average rainfall in August
Shepherd, MT
- Average rainfall in August: 0.63"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Shepherd, MT
- Average rainfall days in August: 9.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in August
Shepherd, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Shepherd, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Shepherd, 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 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in August
Shepherd, MT
- Average sunshine days in August: 18.4 days
The month with the most sunshine days is September (21.1 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in August
Shepherd, 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, February, March, November and December (UV index 2).
Average cloud cover in August
Shepherd, MT
- Average cloud cover in August: 15
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in August
Shepherd, 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).





