August weather forecastBusby, MT
August
Weather in August
August, the last month of the summer in Busby, is another warm month, with an average temperature fluctuating between 61.2°F (16.2°C) and 83.3°F (28.5°C).Temperature
The onset of August brings with it an average high-temperature of a still warm 83.3°F (28.5°C), showing a negligible variation from the month before. Busby experiences a substantial decline from the daytime high temperatures in August, settling on an average low of 61.2°F (16.2°C).Heat index
The average heat index in August is computed to be 82.4°F (28°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
August is the least humid month, with an average relative humidity of 42%.Rainfall
In August, the rain falls for 12.8 days. Throughout August, 1.54" (39mm) of precipitation is accumulated. In Busby, during the entire year, the rain falls for 113.9 days and collects up to 14.84" (377mm) of precipitation.Snowfall
In Busby, snow does not fall in July and August.Daylight
The average length of the day in August in Busby is 14h and 3min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:35 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:46 pm MDT.
Sunshine
In August, the average sunshine is 11.7h.UV index
In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Busby, MT
- Average high temperature in August: 83.3°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 (30.4°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in August
Busby, MT
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Busby, MT
- Average wind speed in August: 7.8mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in August
Busby, MT
- Average humidity in August: 42%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (42%).
Average rainfall in August
Busby, MT
- Average rainfall in August: 1.54"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in August
Busby, MT
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in August
Busby, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Busby, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Busby, MT
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 11h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in August
Busby, MT
- Average sunshine days in August: 14.2 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in August
Busby, 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, April, November and December (UV index 2).
Average cloud cover in August
Busby, MT
- Average cloud cover in August: 15
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in August
Busby, 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).





