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
August's presence marks an average high-temperature of a still warm 83.7°F (28.7°C), subtly varied from July's 85.8°F (29.9°C). In August, Rosemont encounters an average low-temperature of 67.5°F (19.7°C) during the night.Heat index
The heat index in August is evaluated at a hot 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
April, July and August, with an average relative humidity of 71%, are the least humid months in Rosemont, Pennsylvania.Rainfall
The months with the most rainfall are July and August, with an average 1.14" (29mm) of precipitation.Snowfall
April through October are months without snowfall in Rosemont.Daylight
In August, the average length of the day in Rosemont is 13h and 42min.On the first day of August in Rosemont, sunrise is at 6:00 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.
Sunshine
In Rosemont, the average sunshine in August is 10h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Rosemont. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In August, the UV index of 6 transforms into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
How hot is August in Rosemont?
What are the least humid months in Rosemont?
What is the average humidity in August in Rosemont?
What is the wettest month in Rosemont?
How much does it rain in Rosemont in August?
When it does not snow in Rosemont?
How many hours of daylight does Rosemont have in August?
When are sunrise and sunset in August in Rosemont?
How long on average sun shines in August in Rosemont?
What are the months with the highest UV index in Rosemont?
What is the UV index reading in August in Rosemont?
Average temperature in August
Rosemont, PA
- Average high temperature in August: 83.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in August: 67.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in August
Rosemont, 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
Rosemont, PA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Rosemont, PA
- Average humidity in August: 71%
The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in August
Rosemont, PA
- Average rainfall in August: 1.14"
The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in August
Rosemont, PA
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in August
Rosemont, PA
- Average snowfall in August: 0"
The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Rosemont, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Rosemont, PA
- Average daylight in August: 13h and 4min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Rosemont, PA
- Average sunshine days in August: 15.4 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in August
Rosemont, 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, November and December (UV index 2).
Average cloud cover in August
Rosemont, PA
- Average cloud cover in August: 34
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Rosemont, PA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Rosemont, Pennsylvania, USA
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