August weather forecast and climate
Monroeville, NJ

The last month of the summer, August, is also a moderately hot month in Monroeville, New Jersey, with average temperature fluctuating between 83.3°F (28.5°C) and 67.6°F (19.8°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still moderately hot 83.3°F (28.5°C). In Monroeville, the average low-temperature is 67.6°F (19.8°C).

Heat index

In August, the average heat index is calculated to a hot 90.5°F (32.5°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, differences in body mass, height, and shape, clothing, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity in Monroeville is 75%.

Rainfall

In Monroeville, in August, it is raining for 14.7 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, in Monroeville, there are 154.9 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In Monroeville, the average length of the day is 13.7h.

Sunshine

In August, the average sunshine in Monroeville is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Monroeville?

The average high-temperature, in August, in Monroeville, is 83.3°F (28.5°C), while the average low-temperature is 67.6°F (19.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), that combines air temperature and relative humidity, in August is estimated at 90.5°F (32.5°C).

What is the average humidity in August in Monroeville?

In August, the average relative humidity in Monroeville is 75%.

How many days does it rain in August in Monroeville?

In Monroeville, New Jersey, in August, it is raining for 14.7 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow in Monroeville?

In Monroeville, New Jersey, snow does not fall in June through October.

How many hours of daylight does Monroeville have in August?

In August, the average length of the day in Monroeville, New Jersey, is 13.7h.

How long on average sun shines in August in Monroeville?

In August, the average sunshine in Monroeville, New Jersey, is 10.3h.

What are the months with the highest UV index in Monroeville?

Months with the highest UV index in Monroeville, New Jersey, are May through August, with an average maximum UV index of 6.

How high is the UV index in August in Monroeville?

The average daily maximum UV index in August in Monroeville is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in August - Monroeville, NJ
  • Average high temperature in August: 28.5°C

The warmest month (with the highest average high temperature) is July (29.6°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in August: 19.8°C

The month with the highest average low temperature is July (20.3°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

Average pressure in August - Monroeville, NJ
  • Average pressure in August: 1015.4mbar

The month with the highest atmospheric pressure is November (1020mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in August - Monroeville, NJ
  • Average wind speed in August: 9.1km/h

The windiest month (with the highest average wind speed) is April (14km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).

Average humidity in August - Monroeville, NJ
  • Average humidity in August: 75%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).

Average rainfall in August - Monroeville, NJ
  • Average rainfall in August: 74mm

The wettest month (with the highest rainfall) is December (85mm).
The driest month (with the least rainfall) is September (44mm).

Average rainfall days in August - Monroeville, NJ
  • Average rainfall days in August: 14.7 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in August - Monroeville, NJ
  • Average snowfall in August: 0mm

The month with the highest snowfall is March (90mm).
Months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in August - Monroeville, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.5 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Monroeville, NJ
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 10.3h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average sunshine days in August - Monroeville, NJ
  • Average sunshine days in August: 14 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in August - Monroeville, NJ
  • Average UV index in August: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August - Monroeville, NJ
  • Average cloud cover in August: 30

Months with the most cloud cover are February and March (Cloud cover 46).
Months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in August - Monroeville, NJ
  • Average visibility in August: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).