August weather forecastHathaway, MT
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Hathaway, Montana, with an average temperature ranging between max 84.7°F (29.3°C) and min 64.8°F (18.2°C).Temperature
With the onset of August, the average high-temperature registers at a moderately hot 84.7°F (29.3°C), subtly different from July's 86.7°F (30.4°C). Hathaway, during the month of August, experiences an average low-temperature of 64.8°F (18.2°C).Humidity
With an average relative humidity of 39%, August is the least humid month.Rainfall
In August, the rain falls for 9.7 days. Throughout August, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 101.7 rainfall days, and 11.85" (301mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 14h and 7min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:34 pm. On the last day of August, in Hathaway, sunrise is at 6:24 am and sunset at 7:44 pm MDT.
Sunshine
In Hathaway, the average sunshine in August is 11.6h.UV index
In Hathaway, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During August, 6 as the daily maximum UV index converts into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hathaway, MT
- Average high temperature in August: 84.7°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 64.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in August
Hathaway, MT
- Average pressure in August: 29.88"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in August
Hathaway, 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 (9.3mph).
Average humidity in August
Hathaway, MT
- Average humidity in August: 39%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (39%).
Average rainfall in August
Hathaway, MT
- Average rainfall in August: 1.1"
The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are November and December (0.55").
Average rainfall days in August
Hathaway, MT
- Average rainfall days in August: 9.7 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is December (4 days).
Average snowfall in August
Hathaway, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Hathaway, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Hathaway, 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 36min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in August
Hathaway, MT
- Average sunshine days in August: 17.8 days
The month with the most sunshine days is September (20.2 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in August
Hathaway, 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
Hathaway, MT
- Average cloud cover in August: 16
The months with the most cloud cover are February and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in August
Hathaway, 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).
