August weather forecast
Northampton, PA

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Weather in August

August, the last month of the summer in Northampton, is also a moderately hot month, with an average temperature varying between 61.5°F (16.4°C) and 81°F (27.2°C).

Temperature

August brings an average high-temperature of a still moderately hot 81°F (27.2°C), showing a slight difference from July's 83.3°F (28.5°C). Throughout August, the temperature in Northampton tends to fall to a consistent average low of 61.5°F (16.4°C).

Heat index

Throughout August, the heat index is appraised at a hot 86°F (30°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity is 77%.

Rainfall

In August, the rain falls for 16 days. Throughout August, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 162.5 rainfall days, and 31.69" (805mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Northampton, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:35 pm EDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

In Northampton, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 5 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What is the usual temperature for Northampton in August?

The average high-temperature and low-temperature in Northampton, Pennsylvania, during August are 81°F (27.2°C) and 61.5°F (16.4°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 86°F (30°C).

What is the average humidity in August in Northampton?

The average relative humidity in August in Northampton, Pennsylvania, is 77%.

How many days does it rain in August in Northampton?

In August, in Northampton, Pennsylvania, the rain falls for 16 days. Throughout August, 2.99" (76mm) of precipitation is accumulated.

When it does not snow in Northampton?

June through September are months without snowfall in Northampton.

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

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

When are sunrise and sunset in August in Northampton?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:17 pm. On the last day of the month, in Northampton, Pennsylvania, sunrise is at 6:28 am and sunset at 7:35 pm EDT.

How many hours of sunshine does Northampton have in August?

In Northampton, Pennsylvania, the average sunshine duration in August is 9.9h.

What is the UV index reading in August in Northampton?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Northampton, PA

Average temperature in August - Northampton, PA
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in August: 61.5°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in August
Northampton, PA

Average pressure in August - Northampton, 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).

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Average wind speed in August
Northampton, PA

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

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

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Average humidity in August
Northampton, PA

Average humidity in August - Northampton, PA
  • Average humidity in August: 77%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in August
Northampton, PA

Average rainfall in August - Northampton, PA
  • Average rainfall in August: 2.99"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in August
Northampton, PA

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

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (9.9 days).

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Average snowfall in August
Northampton, PA

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

The month with the highest snowfall is March (4.88").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Northampton, PA

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

The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Northampton, 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 30min).

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Average sunshine days in August
Northampton, PA

Average sunshine days in August - Northampton, PA
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (11.7 days).

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Average UV index in August
Northampton, PA

Average UV index in August - Northampton, 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).

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Average cloud cover in August
Northampton, PA

Average cloud cover in August - Northampton, 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 33).

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Average visibility in August
Northampton, PA

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

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

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Northampton, Pennsylvania, USA

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