August weather forecastTattnall, MT
August
Weather in August
August, the last month of the summer in Tattnall, is another warm month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 62.1°F (16.7°C).Temperature
With the advent of August, Tattnall experiences an average high-temperature of a still moderately hot 82.8°F (28.2°C), mirroring a close resemblance to the previous month. Tattnall experiences a steady low-temperature of 62.1°F (16.7°C) throughout August.Heat index
The average heat index in August is calculated to be 82.4°F (28°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
With an average relative humidity of 41%, August is the least humid month.Rainfall
In Tattnall, in August, during 9.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 91.8 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
In Tattnall, snow does not fall in June through September.Daylight
In Tattnall, the average length of the day in August is 14h and 17min.On the first day of August, sunrise is at 5:45 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:53 pm MDT.
Sunshine
The average sunshine in August is 11.5h.UV index
In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In August, a regular UV index of 6 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Tattnall, MT
- Average high temperature in August: 82.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).
- Average low temperature in August: 62.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).
Average pressure in August
Tattnall, MT
- Average pressure in August: 29.88"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in August
Tattnall, MT
- Average wind speed in August: 9.6mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).
Average humidity in August
Tattnall, MT
- Average humidity in August: 41%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).
Average rainfall in August
Tattnall, MT
- Average rainfall in August: 0.91"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in August
Tattnall, MT
- Average rainfall days in August: 9.2 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in August
Tattnall, MT
- Average snowfall in August: 0"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Tattnall, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Tattnall, MT
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 11h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Tattnall, MT
- Average sunshine days in August: 19.9 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).
Average UV index in August
Tattnall, 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, October, November and December (UV index 2).
Average cloud cover in August
Tattnall, MT
- Average cloud cover in August: 18
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in August
Tattnall, MT
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
