August weather forecast and climate
Amsterdam, NJ

The last month of the summer, August, is another warm month in Amsterdam, New Jersey, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 81.1°F (27.3°C).

Temperature

In Amsterdam, New Jersey, the average high-temperature in August is relatively the same as in July - a still warm 81.1°F (27.3°C). In August, in Amsterdam, New Jersey, the average low-temperature is 61.5°F (16.4°C).

Heat index

The average heat index is appraised at a hot 86.4°F (30.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, clothing, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Amsterdam is 78%.

Rainfall

In Amsterdam, New Jersey, during August, the rain falls for 12.7 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Amsterdam, during the entire year, the rain falls for 124.4 days and collects up to 13.39" (340mm) of precipitation.

Snowfall

In Amsterdam snow does not fall in May through October.

Daylight

In August, the average length of the day is 13.7h.

Sunshine

The average sunshine in Amsterdam is 9.9h.

UV index

In August, the average daily maximum UV index in Amsterdam is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Amsterdam?

In Amsterdam, in August, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 61.5°F (16.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that takes the relative humidity and factores it into the air temperature reading, in August is estimated at 86.4°F (30.2°C).

What is the average humidity in August in Amsterdam?

The average relative humidity in August in Amsterdam is 78%.

How much does it rain in Amsterdam in August?

In August, in Amsterdam, New Jersey, the rain falls for 12.7 days. Throughout August, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in Amsterdam?

In Amsterdam, New Jersey, snow does not fall in May through October.

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

In August, the average length of the day is 13.7h.

How long on average sun shines in August in Amsterdam?

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

What is the UV index reading in August in Amsterdam?

In Amsterdam, New Jersey, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in August - Amsterdam, NJ
  • Average high temperature in August: 27.3°C

The warmest month (with the highest average high temperature) is July (28.5°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in August: 16.4°C

The month with the highest average low temperature is July (17.7°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

Average pressure in August - Amsterdam, NJ
  • Average pressure in August: 1015.6mbar

The month with the highest atmospheric pressure is November (1019.9mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in August - Amsterdam, NJ
  • Average wind speed in August: 7.9km/h

The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).

Average humidity in August - Amsterdam, NJ
  • Average humidity in August: 78%

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

Average rainfall in August - Amsterdam, NJ
  • Average rainfall in August: 36mm

The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is September (18mm).

Average rainfall days in August - Amsterdam, NJ
  • Average rainfall days in August: 12.7 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in August - Amsterdam, NJ
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (36mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is February (6.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Amsterdam, NJ
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 9.9h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in August - Amsterdam, NJ
  • Average sunshine days in August: 16.2 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (14 days).

Average UV index in August - Amsterdam, NJ
  • Average UV index in August: 5

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in August - Amsterdam, NJ
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in August - Amsterdam, NJ
  • Average visibility in August: 8km

Months with the highest visibility are January, March, April, November and December (9km).
Months with the lowest visibility are February, May, June, July, August, September and October (8km).