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 onset brings an average high-temperature of a still warm 81.1°F (27.3°C), showing a minute difference from July's 83.8°F (28.8°C). An average temperature of 61.5°F (16.4°C) is recorded in Mertztown, Pennsylvania, during the nights in August.Heat index
The heat index in August is appraised at a tropical 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The average relative humidity in August is 77%.Rainfall
In Mertztown, during August, the rain falls for 14.7 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Mertztown, during the entire year, the rain falls for 155.8 days and collects up to 30.75" (781mm) of precipitation.Snowfall
In Mertztown, snow does not fall in June through September.Daylight
In Mertztown, the average length of the day in August is 13h and 44min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:35 pm EDT.
Sunshine
In Mertztown, the average sunshine in August is 9.8h.UV index
In August, the average daily maximum UV index in Mertztown, Pennsylvania, is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are August temperatures in Mertztown?
What is the average humidity in August in Mertztown?
How many days does it rain in August in Mertztown?
When it does not snow in Mertztown?
What is the average length of the day in August in Mertztown?
What time are sunrise and sunset in August in Mertztown?
How many hours of sunshine does Mertztown have in August?
What is the UV index intensity in August in Mertztown?
Average temperature in August
Mertztown, PA
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Mertztown, 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
Mertztown, PA
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in August
Mertztown, PA
- Average humidity in August: 77%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in August
Mertztown, PA
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in August
Mertztown, PA
- Average rainfall days in August: 14.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in August
Mertztown, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Mertztown, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mertztown, 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: 9h and 5min
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 24min).
Average sunshine days in August
Mertztown, PA
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in August
Mertztown, PA
- Average UV index in August: 5
The months with the highest UV index are 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
Mertztown, PA
- Average cloud cover in August: 35
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Mertztown, PA
- Average visibility in August: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
Mertztown, Pennsylvania, USA
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