August weather forecastWest Norriton, PA
August
Weather in August
August, the last month of the summer in West Norriton, is another warm month, with an average temperature ranging between max 83.3°F (28.5°C) and min 66°F (18.9°C).Temperature
With the onset of August, the average high-temperature stands at a still moderately hot 83.3°F (28.5°C), closely aligned with July's 85.6°F (29.8°C). West Norriton, during the nights of August, experiences an average temperature drop to a refreshing 66°F (18.9°C).Heat index
During August, the heat index is calculated to be a hot 89.6°F (32°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Heat index determinations are made taking into account the shade and light air movements. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. 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 extremely vital to babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The average relative humidity in August is 73%.Rainfall
In August, the rain falls for 13.7 days. Throughout August, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 138.2 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
In West Norriton, Pennsylvania, snow does not fall in April, June through November.Daylight
In West Norriton, the average length of the day in August is 13h and 43min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:34 pm EDT.
Sunshine
In West Norriton, the average sunshine in August is 10.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during August translates into the following directions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
West Norriton, PA
- Average high temperature in August: 83.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in August: 66°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in August
West Norriton, PA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
West Norriton, PA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in August
West Norriton, PA
- Average humidity in August: 73%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in August
West Norriton, PA
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in August
West Norriton, PA
- Average rainfall days in August: 13.7 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in August
West Norriton, PA
- Average snowfall in August: 0"
The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in August
West Norriton, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
West Norriton, PA
- 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: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
West Norriton, PA
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index in August
West Norriton, PA
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
West Norriton, PA
- Average cloud cover in August: 33
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
West Norriton, PA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





