August weather forecast and climate
Philadelphia, MO

August, the last month of the summer, in Philadelphia, is also a moderately hot month, with average temperature fluctuating between 84.2°F (29°C) and 64.9°F (18.3°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 84.2°F (29°C). In August, in Philadelphia, the average low-temperature is 64.9°F (18.3°C).

Heat index

In August, the average heat index is evaluated at a tropical 93.4°F (34.1°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like clothing, metabolic differences, pregnancy, and activity influence one's weather impression. 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 particularly important for children. 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

The average relative humidity in August is 77%.

Rainfall

In Philadelphia, during August, the rain falls for 12.8 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Philadelphia, during the entire year, the rain falls for 138.1 days and collects up to 26.97" (685mm) of precipitation.

Snowfall

In Philadelphia snow does not fall in May through October.

Daylight

The average length of the day in August is 13.7h.

Sunshine

The average sunshine in Philadelphia is 10.1h.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 Philadelphia?

The average high-temperature, in August, in Philadelphia, Missouri, is 84.2°F (29°C), while the average low-temperature is 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), that factores the actual air temperature with the relative humidity, is calculated to 93.4°F (34.1°C).

What is the average humidity in August in Philadelphia?

In August, the average relative humidity in Philadelphia is 77%.

How much does it rain in Philadelphia in August?

In August, the rain falls for 12.8 days. Throughout August, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Philadelphia?

May through October are months without snowfall in Philadelphia.

What is the average length of the day in August in Philadelphia?

In August, the average length of the day in Philadelphia is 13.7h.

How long on average sun shines in August in Philadelphia?

In Philadelphia, the average sunshine in August is 10.1h.

When is the highest UV index in Philadelphia?

Months with the highest UV index in Philadelphia, Missouri, are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Philadelphia?

The average daily maximum UV index in August in Philadelphia is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in August - Philadelphia, MO
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in August - Philadelphia, MO
  • Average pressure in August: 29.97"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

Average wind speed in August - Philadelphia, MO
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in August - Philadelphia, MO
  • Average humidity in August: 77%

Months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August - Philadelphia, MO
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (1.3").

Average rainfall days in August - Philadelphia, MO
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in August - Philadelphia, MO
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.7").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August - Philadelphia, MO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Philadelphia, MO
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 10.1h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.5h).

Average sunshine days in August - Philadelphia, MO
  • Average sunshine days in August: 16.2 days

Months with the most sunshine days are January and December (19.4 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in August - Philadelphia, MO
  • Average UV index in August: 6

Months with the highest UV index are 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 - Philadelphia, MO
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 51).
Months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in August - Philadelphia, MO
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).