August weather forecast and climate
Holmdel, NJ

August, the last month of the summer, in Holmdel, is also a moderately hot month, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 80.2°F (26.8°C).

Temperature

In Holmdel, New Jersey, the average high-temperature in August is essentially the same as in July - a still moderately hot 80.2°F (26.8°C). In August, in Holmdel, the average low-temperature is 69.4°F (20.8°C).

Humidity

In Holmdel, the average relative humidity is 75%.

Rainfall

In Holmdel, during August, the rain falls for 7.6 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 68.3 rainfall days, and 5.75" (146mm) of precipitation is accumulated.

Snowfall

In Holmdel snow does not fall in April through November.

Daylight

The average length of the day in Holmdel is 13.7h.

Sunshine

In August, the average sunshine is 10.5h.

UV index

Months with the highest UV index in Holmdel, New Jersey, are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Holmdel?

The average high-temperature, in August, in Holmdel, New Jersey, is 80.2°F (26.8°C), while the average low-temperature is 69.4°F (20.8°C).

What is the average humidity in August in Holmdel?

In August, the average relative humidity is 75%.

How many days does it rain in August in Holmdel?

In Holmdel, in August, it is raining for 7.6 days, with typically 0.55" (14mm) of accumulated precipitation.

When it does not snow in Holmdel?

April through November are months without snowfall in Holmdel.

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

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

How many hours of sunshine does Holmdel have in August?

In August, the average sunshine is 10.5h.

What are the months with the highest UV index in Holmdel?

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

What is the UV index intensity in August in Holmdel?

In Holmdel, New Jersey, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in August - Holmdel, NJ
  • Average high temperature in August: 26.8°C

The warmest month (with the highest average high temperature) is July (27.6°C).
The month with the lowest average high temperature is January (3.2°C).

  • Average low temperature in August: 20.8°C

The month with the highest average low temperature is July (21°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).

Average pressure in August - Holmdel, NJ
  • Average pressure in August: 1015.4mbar

The month with the highest atmospheric pressure is November (1019.5mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in August - Holmdel, NJ
  • Average wind speed in August: 11.7km/h

The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is July (11.5km/h).

Average humidity in August - Holmdel, NJ
  • Average humidity in August: 75%

Months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (73%).

Average rainfall in August - Holmdel, NJ
  • Average rainfall in August: 14mm

The wettest month (with the highest rainfall) is July (18mm).
The driest month (with the least rainfall) is September (3mm).

Average rainfall days in August - Holmdel, NJ
  • Average rainfall days in August: 7.6 days

The month with the highest number of rainy days is July (8 days).
The month with the least rainy days is January (3.4 days).

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

The month with the highest snowfall is January (4mm).
Months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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

The month with the highest number of snowfall days is February (2.6 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in August / Average sunshine in August - Holmdel, 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: 10.5h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average sunshine days in August - Holmdel, NJ
  • Average sunshine days in August: 19.8 days

The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is July (17.3 days).

Average UV index in August - Holmdel, NJ
  • Average UV index in August: 6

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

Average cloud cover in August - Holmdel, NJ
  • Average cloud cover in August: 28

Months with the most cloud cover are February, March and December (Cloud cover 46).
Months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in August - Holmdel, NJ
  • Average visibility in August: 10km

Months with the highest visibility are January, February, March, April, July, August, September, October, November and December (10km).
Months with the lowest visibility are May and June (9km).