August weather forecast
Emmaus, PA

Share

Weather in August

August, the last month of the summer in Emmaus, is another warm month, with an average temperature ranging between max 81°F (27.2°C) and min 61.7°F (16.5°C).

Temperature

The shift into August finds Emmaus at an average high-temperature of a still warm 81°F (27.2°C), closely comparable to July's conditions. Emmaus records an average nighttime low-temperature of 61.7°F (16.5°C) throughout August.

Heat index

August's heat index is appraised at a tropical 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

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

Rainfall

In Emmaus, during August, the rain falls for 14.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Emmaus, during the entire year, the rain falls for 145.1 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

In Emmaus, Pennsylvania, snow does not fall in June through September.

Daylight

In Emmaus, the average length of the day in August is 13h and 44min.
On the first day of August, sunrise is at 5:59 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:35 pm EDT.

Sunshine

In Emmaus, the average sunshine in August is 9.9h.

UV index

In Emmaus, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

In Emmaus, in August, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 61.7°F (16.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in August?

The average relative humidity in August in Emmaus is 77%.

How many days does it rain in August?

In Emmaus, Pennsylvania, during August, the rain falls for 14.8 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow?

June through September are months without snowfall in Emmaus.

What is the average length of the day in August?

In August, the average day length is 13h and 44min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:35 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.9h.

What is the UV index intensity in August?

In Emmaus, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Emmaus, PA

Average temperature in August - Emmaus, PA
  • Average high temperature in August: 81°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°F).

  • Average low temperature in August: 61.7°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
Emmaus, PA

Average pressure in August - Emmaus, 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
Emmaus, PA

Average wind speed in August - Emmaus, PA
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in August
Emmaus, PA

Average humidity in August - Emmaus, 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
Emmaus, PA

Average rainfall in August - Emmaus, PA
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in August
Emmaus, PA

Average rainfall days in August - Emmaus, PA
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in August
Emmaus, PA

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

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Emmaus, PA

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

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Emmaus, 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
Emmaus, PA

Average sunshine days in August - Emmaus, PA
  • Average sunshine days in August: 14 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in August
Emmaus, PA

Average UV index in August - Emmaus, 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
Emmaus, PA

Average cloud cover in August - Emmaus, 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 34).

Average visibility in August
Emmaus, PA

Average visibility in August - Emmaus, PA
  • Average visibility in August: 5mi

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

Emmaus, Pennsylvania, USA

Weather forecast for your location

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