August weather forecastWilliamsport, IN
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Williamsport, Indiana, with an average temperature fluctuating between 62.8°F (17.1°C) and 80.2°F (26.8°C).Temperature
The onset of August notes an average high-temperature of a still warm 80.2°F (26.8°C), subtly shifted from July's 81.5°F (27.5°C). Throughout the nights in August, an average low-temperature of 62.8°F (17.1°C) is noted.Humidity
The average relative humidity in August in Williamsport, Indiana, is 83%.Rainfall
In Williamsport, Indiana, in August, during 16.2 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Williamsport, during the entire year, the rain falls for 161.5 days and collects up to 27.91" (709mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in August is 13h and 43min.On the first day of August, sunrise is at 6:47 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 8:22 pm EDT.
Sunshine
In Williamsport, the average sunshine in August is 9.3h.UV index
The months with the highest UV index in Williamsport, Indiana, are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in August translates into these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Williamsport, IN
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in August: 62.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in August
Williamsport, IN
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Williamsport, IN
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in August
Williamsport, IN
- Average humidity in August: 83%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Williamsport, IN
- Average rainfall in August: 2.52"
The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in August
Williamsport, IN
- Average rainfall days in August: 16.2 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in August
Williamsport, IN
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Williamsport, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Williamsport, IN
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Williamsport, IN
- Average sunshine days in August: 11.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9 days).
Average UV index in August
Williamsport, IN
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Williamsport, IN
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in August
Williamsport, IN
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





