Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
As Duncan transitions from July to August, the average high-temperatures adjust to a still warm 77.4°F (25.2°C), nearly the same as the previous 79.9°F (26.6°C). The month of August sees a significant daily temperature drop, recording an average low-temperature of 55.6°F (13.1°C) in Duncan.Humidity
In Duncan, the average relative humidity in August is 80%.Rainfall
In August, in Duncan, the rain falls for 14.8 days. Throughout August, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 161.9 rainfall days, and 20.04" (509mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Duncan, Pennsylvania.Daylight
In August, the average length of the day is 13h and 48min.On the first day of August in Duncan, Pennsylvania, sunrise is at 6:04 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:43 pm EDT.
Sunshine
In August, the average sunshine is 9.6h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Duncan. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average UV index of 5 in August transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What are the temperatures in Duncan in August?
What is the average humidity in August in Duncan?
How many days does it rain in August in Duncan?
When it does not snow in Duncan?
How many hours of daylight does Duncan have in August?
When are sunrise and sunset in August in Duncan?
How many hours of sunshine does Duncan have in August?
What are the months with the highest UV index in Duncan?
How high is the UV index in August in Duncan?
Average temperature in August
Duncan, PA
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 55.6°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in August
Duncan, PA
- Average pressure in August: 30"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
Duncan, PA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Duncan, PA
- Average humidity in August: 80%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in August
Duncan, PA
- Average rainfall in August: 1.54"
The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in August
Duncan, PA
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in August
Duncan, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Duncan, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Duncan, PA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in August
Duncan, PA
- Average sunshine days in August: 13.1 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in August
Duncan, PA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Duncan, PA
- Average cloud cover in August: 40
The months with the most cloud cover are January and December (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in August
Duncan, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Duncan, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
