Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The average high-temperature in Great Falls, Montana, during August is a still warm 81.9°F (27.7°C), almost matching the conditions of the preceding month. A marked difference from the daytime temperatures, Great Falls's nighttime temperature falls to an average low of 57.7°F (14.3°C) in August.Heat index
The heat index value for August is computed to be 80.6°F (27°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
August is the least humid month, with an average relative humidity of 40%.Rainfall
In Great Falls, in August, it is raining for 5.6 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, there are 68.2 rainfall days, and 4.49" (114mm) of precipitation is accumulated.Snowfall
In Great Falls, snow does not fall in June through August.Daylight
In Great Falls, the average length of the day in August is 14h and 12min.On the first day of August in Great Falls, Montana, sunrise is at 6:04 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 8:06 pm MDT.
Sunshine
In Great Falls, the average sunshine in August is 11.4h.UV index
In Great Falls, Montana, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In August, the maximum UV index of 5 suggests this advice:
Adopt protective measures - It is advised to guard against sun damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What are the temperatures in Great Falls in August?
What is the least humid month in Great Falls?
What is the average humidity in August in Great Falls?
How much does it rain in Great Falls in August?
When it does not snow in Great Falls?
Does it snow in Great Falls in August?
How many hours of daylight does Great Falls have in August?
When is the sunrise / sunset in August in Great Falls?
How many hours of sunshine does Great Falls have in August?
How high is the UV index in August in Great Falls?
Average temperature in August
Great Falls, MT
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (30°F).
- Average low temperature in August: 57.7°F
The month with the highest average low temperature is August (57.7°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).
Average pressure in August
Great Falls, MT
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Great Falls, MT
- Average wind speed in August: 7.7mph
The windiest month (with the highest average wind speed) is November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.7mph).
Average humidity in August
Great Falls, MT
- Average humidity in August: 40%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).
Average rainfall in August
Great Falls, MT
- Average rainfall in August: 0.28"
The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is December (0.16").
Average rainfall days in August
Great Falls, MT
- Average rainfall days in August: 5.6 days
The month with the highest number of rainy days is April (9.9 days).
The month with the least rainy days is December (2.7 days).
Average snowfall in August
Great Falls, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Great Falls, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Great Falls, MT
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in August
Great Falls, MT
- Average sunshine days in August: 23.9 days
The month with the most sunshine days is July (26.1 days).
The months with the least sunshine days are February and April (16.2 days).
Average UV index in August
Great Falls, 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, October, November and December (UV index 2).
Average cloud cover in August
Great Falls, MT
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in August
Great Falls, 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).
Great Falls, Montana, USA
Weather forecast for your location
2. Allow the app to use your location
