August weather forecastLustre, MT
August
Weather in August
The last month of the summer, August, is another warm month in Lustre, Montana, with an average temperature fluctuating between 63.1°F (17.3°C) and 82.9°F (28.3°C).Temperature
Lustre commences August with an average high-temperature of a still warm 82.9°F (28.3°C), maintaining a close resemblance to the previous month. Throughout August, Lustre records an average temperature of 63.1°F (17.3°C) at night.Heat index
The heat index for August is evaluated at 82.4°F (28°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Observations indicate that the heat index values are for shady locations with light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
With an average relative humidity of 42%, August is the least humid month.Rainfall
In August, the rain falls for 8.2 days. Throughout August, 0.83" (21mm) of precipitation is accumulated. In Lustre, during the entire year, the rain falls for 95.7 days and collects up to 11.69" (297mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Lustre, the average length of the day in August is 14h and 16min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:40 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:46 pm MDT.
Sunshine
The average sunshine in August is 11.6h.UV index
The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in August translates into this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Lustre, MT
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is February (23°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest months (with the lowest average low temperature) are January and February (10.2°F).
Average pressure in August
Lustre, MT
- Average pressure in August: 29.88"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in August
Lustre, MT
- Average wind speed in August: 9.4mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in August
Lustre, MT
- Average humidity in August: 42%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).
Average rainfall in August
Lustre, MT
- Average rainfall in August: 0.83"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in August
Lustre, MT
- Average rainfall days in August: 8.2 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in August
Lustre, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Lustre, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (13.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Lustre, MT
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- 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: 4h and 24min).
Average sunshine days in August
Lustre, MT
- Average sunshine days in August: 21.2 days
The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in August
Lustre, MT
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Lustre, MT
- Average cloud cover in August: 17
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in August
Lustre, 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).
