August weather forecastAnnville, PA
August
Weather in August
August, the last month of the summer in Annville, is another warm month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 79.9°F (26.6°C).Temperature
The advent of August presents an average high-temperature of a still moderately hot 79.9°F (26.6°C), maintaining a close correlation with the preceding month. Annville's average low-temperature in August is measured at an enjoyable 61.7°F (16.5°C).Humidity
The average relative humidity in August is 80%.Rainfall
August is the month with the most rainfall. Rain falls for 14.7 days and accumulates 2.13" (54mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Annville, the average length of the day in August is 13h and 43min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:20 pm. On the last day of August, in Annville, sunrise is at 6:33 am and sunset at 7:39 pm EDT.
Sunshine
In Annville, the average sunshine in August is 9.8h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 5 in August transforms into this advice:
Undertake protective steps - Preventing sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Annville, PA
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Annville, PA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Annville, PA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Annville, PA
- Average humidity in August: 80%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Annville, PA
- Average rainfall in August: 2.13"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in August
Annville, PA
- Average rainfall days in August: 14.7 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in August
Annville, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Annville, 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 June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Annville, 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: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Annville, PA
- Average sunshine days in August: 13.4 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in August
Annville, PA
- Average UV index in August: 5
The months with the highest UV index are May, June and July (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
Annville, PA
- Average cloud cover in August: 34
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Annville, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
