August weather forecast
Salem, NJ

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Weather in August

August, the last month of the summer in Salem, is also a moderately hot month, with an average temperature varying between 83.5°F (28.6°C) and 67.3°F (19.6°C).

Temperature

Salem's average high-temperature in August is a still warm 83.5°F (28.6°C), indicating a subtle variation from July. Salem experiences an average low-temperature of 67.3°F (19.6°C) in month of August.

Heat index

For August, the heat index is computed to be a tropical 91.4°F (33°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In Salem, the average relative humidity in August is 76%.

Rainfall

August is the month with the most rainfall. Rain falls for 15 days and accumulates 3.23" (82mm) of precipitation.

Snowfall

In Salem, New Jersey, snow does not fall in June through October.

Daylight

In Salem, New Jersey, the average length of the day in August is 13h and 41min.
On the first day of August in Salem, New Jersey, sunrise is at 6:02 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

How hot is it in Salem in August?

In Salem, in August, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 67.3°F (19.6°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 91.4°F (33°C).

What is the average humidity in August in Salem?

In August, the average relative humidity in Salem is 76%.

What is the rainiest month in Salem?

The month with the most rainfall is August, when the rain falls for 15 days and typically aggregates up to 3.23" (82mm) of precipitation.

How many days does it rain in August in Salem?

In Salem, in August, it is raining for 15 days, with typically 3.23" (82mm) of accumulated precipitation.

When it does not snow in Salem?

June through October are months without snowfall in Salem.

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

In Salem, the average day length in August is 13h and 41min.

When are sunrise and sunset in August in Salem?

In August, on the first day of the month, sunrise is at 6:02 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

How long on average sun shines in August in Salem?

The average sunshine duration in August in Salem, New Jersey, is 10.2h.

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

May 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 Salem?

In Salem, New Jersey, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Salem, NJ

Average temperature in August - Salem, NJ
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in August
Salem, NJ

Average pressure in August - Salem, NJ
  • 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
Salem, NJ

Average wind speed in August - Salem, NJ
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are February, March and April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in August
Salem, NJ

Average humidity in August - Salem, NJ
  • Average humidity in August: 76%

The months with the highest relative humidity are May, June, September and October (77%).
The month with the lowest relative humidity is April (72%).

Average rainfall in August
Salem, NJ

Average rainfall in August - Salem, NJ
  • Average rainfall in August: 3.23"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is January (1.77").

Average rainfall days in August
Salem, NJ

Average rainfall days in August - Salem, NJ
  • Average rainfall days in August: 15 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (8 days).

Average snowfall in August
Salem, NJ

Average snowfall in August - Salem, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Salem, NJ

Average snowfall days in August - Salem, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Salem, NJ

Average daylight in August / Average sunshine in August - Salem, NJ
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in August
Salem, NJ

Average sunshine days in August - Salem, NJ
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is November (20.6 days).
The months with the least sunshine days are May and July (11.8 days).

Average UV index in August
Salem, NJ

Average UV index in August - Salem, NJ
  • 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 and December (UV index 2).

Average cloud cover in August
Salem, NJ

Average cloud cover in August - Salem, NJ
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Salem, NJ

Average visibility in August - Salem, NJ
  • Average visibility in August: 6mi

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

Salem, New Jersey, USA

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