August weather forecastWillow Creek, MT
August
Weather in August
August, the last month of the summer in Willow Creek, is another warm month, with an average temperature ranging between min 50.5°F (10.3°C) and max 81.9°F (27.7°C).Temperature
August's advent notes a subtle adjustment in average high-temperature to a still warm 81.9°F (27.7°C) from July. August nights are characterized by a significant departure from the daytime highs, dropping to an average temperature of 50.5°F (10.3°C).Heat index
In August, the heat index is estimated at 82.4°F (28°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. 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 44%.Rainfall
August is the month with the least rainfall. Rain falls for 7.6 days and accumulates 0.51" (13mm) of precipitation.Snowfall
July and August are months without snowfall.Daylight
In Willow Creek, the average length of the day in August is 14h and 4min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:55 pm. On the last day of August, sunrise is at 6:47 am and sunset at 8:05 pm MDT.
Sunshine
The average sunshine in August is 11.7h.UV index
In Willow Creek, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In August, a daily UV index of 5 turns into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Willow Creek, MT
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in August: 50.5°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (12.7°F).
Average pressure in August
Willow Creek, MT
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Willow Creek, MT
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Willow Creek, MT
- Average humidity in August: 44%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (44%).
Average rainfall in August
Willow Creek, MT
- Average rainfall in August: 0.51"
The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in August
Willow Creek, MT
- Average rainfall days in August: 7.6 days
The month with the highest number of rainy days is April (16.5 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in August
Willow Creek, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Willow Creek, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Willow Creek, 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: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in August
Willow Creek, MT
- Average sunshine days in August: 17.6 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in August
Willow Creek, MT
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Willow Creek, MT
- Average cloud cover in August: 13
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in August
Willow Creek, MT
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





