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
The shift to August signals an average high-temperature of a still warm 81.7°F (27.6°C), subtly varied from July's 83.1°F (28.4°C). Monroeville experiences an average nighttime temperature of 60.3°F (15.7°C) in the month of August.Heat index
For most parts of August, the heat index is appraised at a hot 87.8°F (31°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Understand that the heat index values take into account shaded locations and mild winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. 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 76%, are the least humid months.Rainfall
In Monroeville, during August, the rain falls for 15.5 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 151 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
In Monroeville, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 44min.On the first day of August, sunrise is at 6:17 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:52 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.2h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 6 in August leads to these recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the least humid month?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August in Monroeville?
What month has the most sunshine?
How many hours of sunshine does Monroeville have in August?
When is the highest UV index?
How high is the UV index in August?
Average temperature in August
Monroeville, PA
- Average high temperature in August: 81.7°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in August
Monroeville, 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 (29.95"Hg).
Average wind speed in August
Monroeville, PA
- Average wind speed in August: 4.7mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in August
Monroeville, PA
- Average humidity in August: 76%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in August
Monroeville, PA
- Average rainfall in August: 1.65"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in August
Monroeville, PA
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in August
Monroeville, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Monroeville, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Monroeville, 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 18min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in August
Monroeville, PA
- Average sunshine days in August: 14.1 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in August
Monroeville, PA
- 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
Monroeville, PA
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Monroeville, PA
- Average visibility in August: 6mi
The months with the highest visibility are April, June, August and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September, October and December (5mi).
Monroeville, Pennsylvania, USA
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