August weather forecast
Cheltenham, PA

Share

Weather in August

The last month of the summer, August, is also a moderately hot month in Cheltenham, Pennsylvania, with an average temperature varying between 84.2°F (29°C) and 67.6°F (19.8°C).

Temperature

August's onset records a minor alteration in the average high-temperature to a moderately hot 84.2°F (29°C) from July's 86.4°F (30.2°C). An average low-temperature of 67.6°F (19.8°C) is observed during the August nights.

Heat index

During August, the heat index is computed to be a hot 91.4°F (33°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

April, July and August, with an average relative humidity of 71%, are the least humid months in Cheltenham.

Rainfall

In Cheltenham, during August, the rain falls for 16 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, in Cheltenham, there are 153.8 rainfall days, and 30.94" (786mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of August, in Cheltenham, sunrise is at 6:27 am and sunset at 7:33 pm EDT.

Sunshine

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

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
[Resources]

Frequently asked questions

How hot is August in Cheltenham?

The high-temperature, in August, in Cheltenham, is 84.2°F (29°C), while the low-temperature averages to 67.6°F (19.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is computed to be 91.4°F (33°C).

What are the least humid months in Cheltenham?

April, July and August, with an average relative humidity of 71%, are the least humid months in Cheltenham, Pennsylvania.

What is the average humidity in August in Cheltenham?

In August, the average relative humidity is 71%.

How many days does it rain in August in Cheltenham?

In Cheltenham, in August, it is raining for 16 days, with typically 3.35" (85mm) of accumulated precipitation.

When it does not snow in Cheltenham?

In Cheltenham, snow does not fall in June through October.

How many hours of daylight does Cheltenham have in August?

In August, the average day length in Cheltenham, Pennsylvania, is 13h and 43min.

What time are sunrise and sunset in August in Cheltenham?

On the first day of August in Cheltenham, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:33 pm EDT.

How long on average sun shines in August in Cheltenham?

The average sunshine duration in August in Cheltenham, Pennsylvania, is 10.1h.

What is the month with the highest UV index in Cheltenham?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Cheltenham, Pennsylvania.

How high is the UV index in August in Cheltenham?

In Cheltenham, Pennsylvania, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Cheltenham, PA

Average temperature in August - Cheltenham, PA
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in August: 67.6°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 (25.2°F).

[Resources]

Average pressure in August
Cheltenham, PA

Average pressure in August - Cheltenham, 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 (29.93"Hg).

[Resources]

Average wind speed in August
Cheltenham, PA

Average wind speed in August - Cheltenham, PA
  • Average wind speed in August: 5.6mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

[Resources]

Average humidity in August
Cheltenham, PA

Average humidity in August - Cheltenham, PA
  • Average humidity in August: 71%

The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).

[Resources]

Average rainfall in August
Cheltenham, PA

Average rainfall in August - Cheltenham, PA
  • Average rainfall in August: 3.35"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

[Resources]

Average rainfall days in August
Cheltenham, PA

Average rainfall days in August - Cheltenham, PA
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).

[Resources]

Average snowfall in August
Cheltenham, PA

Average snowfall in August - Cheltenham, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in August
Cheltenham, PA

Average snowfall days in August - Cheltenham, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
Cheltenham, PA

Average daylight in August / Average sunshine in August - Cheltenham, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

[Resources]

Average sunshine days in August
Cheltenham, PA

Average sunshine days in August - Cheltenham, PA
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).

[Resources]

Average UV index in August
Cheltenham, PA

Average UV index in August - Cheltenham, 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, March, November and December (UV index 2).

[Resources]

Average cloud cover in August
Cheltenham, PA

Average cloud cover in August - Cheltenham, PA
  • Average cloud cover in August: 34

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

[Resources]

Average visibility in August
Cheltenham, PA

Average visibility in August - Cheltenham, PA
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

[Resources]

Cheltenham, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location