August weather forecast
Hillburn, NY

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Weather in August

August, the last month of the summer in Hillburn, is also a moderately hot month, with an average temperature varying between 63.9°F (17.7°C) and 82.4°F (28°C).

Temperature

The onset of August brings an average high-temperature of a still warm 82.4°F (28°C), nearly matching the July temperature. Hillburn's temperature drops to an average low of 63.9°F (17.7°C) during the nights of August.

Heat index

Throughout August, the heat index is estimated at a hot 87.8°F (31°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In Hillburn, the average relative humidity in August is 73%.

Rainfall

In Hillburn, in August, during 15 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Hillburn, New York, during the entire year, the rain falls for 150.6 days and collects up to 25.12" (638mm) of precipitation.

Snowfall

In Hillburn, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 46min.
On the first day of August, sunrise is at 5:53 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:30 pm EDT.

Sunshine

In Hillburn, the average sunshine in August is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Hillburn. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

August temperatures vary between a high-temperature of 82.4°F (28°C) and a low-temperature of 63.9°F (17.7°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in August?

In Hillburn, the average relative humidity in August is 73%.

How much does it rain in August?

In Hillburn, during August, the rain falls for 15 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow?

In Hillburn, snow does not fall in June through September.

What is the average length of the day in August?

In August, the average day length is 13h and 46min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:53 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:30 pm EDT.

How many hours of sunshine does Hillburn have in August?

In August, the average sunshine duration is 10.2h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high 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
Hillburn, NY

Average temperature in August - Hillburn, NY
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in August
Hillburn, NY

Average pressure in August - Hillburn, NY
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Hillburn, NY

Average wind speed in August - Hillburn, NY
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in August
Hillburn, NY

Average humidity in August - Hillburn, NY
  • Average humidity in August: 73%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall in August
Hillburn, NY

Average rainfall in August - Hillburn, NY
  • Average rainfall in August: 1.97"

The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in August
Hillburn, NY

Average rainfall days in August - Hillburn, NY
  • Average rainfall days in August: 15 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in August
Hillburn, NY

Average snowfall in August - Hillburn, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.91").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Hillburn, NY

Average snowfall days in August - Hillburn, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Hillburn, NY

Average daylight in August / Average sunshine in August - Hillburn, NY
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 1min

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).

Average sunshine days in August
Hillburn, NY

Average sunshine days in August - Hillburn, NY
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in August
Hillburn, NY

Average UV index in August - Hillburn, NY
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (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
Hillburn, NY

Average cloud cover in August - Hillburn, NY
  • Average cloud cover in August: 33

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
Hillburn, NY

Average visibility in August - Hillburn, NY
  • Average visibility in August: 6mi

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

Hillburn, New York, USA

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