August weather forecast
Heidelberg, PA

Share

Weather in August

August, the last month of the summer in Heidelberg, is also a moderately hot month, with an average temperature ranging between max 82.4°F (28°C) and min 60.8°F (16°C).

Temperature

The beginning of August reveals an average high-temperature of a still warm 82.4°F (28°C), showing minimal deviation from the previous month. A pronounced dip becomes evident during the nights in August as Heidelberg logs a consistent average temperature of 60.8°F (16°C).

Heat index

The heat index value for August is appraised at a tropical 87.8°F (31°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 75%.

Rainfall

In Heidelberg, in August, during 14.3 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Heidelberg, during the entire year, the rain falls for 132.6 days and collects up to 11.5" (292mm) of precipitation.

Snowfall

In Heidelberg, snow does not fall in May through October.

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of August, sunrise is at 6:18 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

Sunshine

The month with the most sunshine is August, with an average of 10.2h of sunshine.

UV index

The months with the highest UV index in Heidelberg are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In August, the UV index of 6 transforms into the following advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. 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-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

Is it hot during August?

The high-temperature, in August, in Heidelberg, records 82.4°F (28°C), while the low-temperature is 60.8°F (16°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the least humid month?

July and August, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in August?

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

How many days does it rain in August?

In Heidelberg, during August, the rain falls for 14.3 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Heidelberg have in August?

The average day length in August is 13h and 44min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:18 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

What month has the most sunshine?

The month with the most sunshine in Heidelberg is August, with an average of 10.2h of sunshine.

How many hours of sunshine does Heidelberg have in August?

The average sunshine duration in August is 10.2h.

What are the months with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August?

In Heidelberg, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Heidelberg, PA

Average temperature in August - Heidelberg, PA
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 60.8°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in August
Heidelberg, PA

Average pressure in August - Heidelberg, 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
Heidelberg, PA

Average wind speed in August - Heidelberg, PA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in August
Heidelberg, PA

Average humidity in August - Heidelberg, PA
  • Average humidity in August: 75%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in August
Heidelberg, PA

Average rainfall in August - Heidelberg, PA
  • Average rainfall in August: 0.98"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is November (0.67").

Average rainfall days in August
Heidelberg, PA

Average rainfall days in August - Heidelberg, PA
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (6.4 days).

Average snowfall in August
Heidelberg, PA

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

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Heidelberg, PA

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Heidelberg, 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: 3h and 0min).

Average sunshine days in August
Heidelberg, PA

Average sunshine days in August - Heidelberg, 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 (12.2 days).

Average UV index in August
Heidelberg, PA

Average UV index in August - Heidelberg, 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
Heidelberg, PA

Average cloud cover in August - Heidelberg, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
Heidelberg, PA

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

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

Heidelberg, Pennsylvania, USA

Weather forecast for your location

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