August weather forecast
Annandale-on-Hudson, NY

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Weather in August

August, the last month of the summer in Annandale-on-Hudson, is another warm month, with an average temperature varying between 58.8°F (14.9°C) and 81.1°F (27.3°C).

Temperature

With August's arrival, Annandale-on-Hudson's weather records an average high-temperature of a still warm 81.1°F (27.3°C), marking little difference from July's 82.9°F (28.3°C). Contrasted against daytime highs, Annandale-on-Hudson records an average nighttime low of 58.8°F (14.9°C) in August.

Heat index

Throughout August, the heat index is computed to be a hot 86°F (30°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. 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 babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In August, the average relative humidity is 76%.

Rainfall

In Annandale-on-Hudson, in August, it is raining for 14.8 days, with typically 2.2" (56mm) of accumulated precipitation. In Annandale-on-Hudson, during the entire year, the rain falls for 142.1 days and collects up to 25.91" (658mm) of precipitation.

Snowfall

In Annandale-on-Hudson, snow does not fall in June through September.

Daylight

In Annandale-on-Hudson, the average length of the day in August is 13h and 49min.
On the first day of August, sunrise is at 5:49 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:30 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

August temperatures vary between a high-temperature of 81.1°F (27.3°C) and a low-temperature of 58.8°F (14.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 86°F (30°C).

What is the average humidity in August in Annandale-on-Hudson?

In Annandale-on-Hudson, the average relative humidity in August is 76%.

How many days does it rain in August?

In August, the rain falls for 14.8 days. Throughout August, 2.2" (56mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August in Annandale-on-Hudson?

The average day length in August is 13h and 49min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:49 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:30 pm EDT.

How many hours of sunshine does Annandale-on-Hudson have in August?

In August, the average sunshine duration is 10.2h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate 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
Annandale-on-Hudson, NY

Average temperature in August - Annandale-on-Hudson, NY
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in August: 58.8°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in August
Annandale-on-Hudson, NY

Average pressure in August - Annandale-on-Hudson, NY
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Annandale-on-Hudson, NY

Average wind speed in August - Annandale-on-Hudson, NY
  • Average wind speed in August: 4.5mph

The windiest month (with the highest average wind speed) is March (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in August
Annandale-on-Hudson, NY

Average humidity in August - Annandale-on-Hudson, NY
  • Average humidity in August: 76%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).

Average rainfall in August
Annandale-on-Hudson, NY

Average rainfall in August - Annandale-on-Hudson, NY
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is January (1.61").

Average rainfall days in August
Annandale-on-Hudson, NY

Average rainfall days in August - Annandale-on-Hudson, NY
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in August
Annandale-on-Hudson, NY

Average snowfall in August - Annandale-on-Hudson, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Annandale-on-Hudson, NY

Average snowfall days in August - Annandale-on-Hudson, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Annandale-on-Hudson, NY

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in August
Annandale-on-Hudson, NY

Average sunshine days in August - Annandale-on-Hudson, NY
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in August
Annandale-on-Hudson, NY

Average UV index in August - Annandale-on-Hudson, NY
  • 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).

Average cloud cover in August
Annandale-on-Hudson, NY

Average cloud cover in August - Annandale-on-Hudson, NY
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 35).

Average visibility in August
Annandale-on-Hudson, NY

Average visibility in August - Annandale-on-Hudson, NY
  • Average visibility in August: 5mi

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

Annandale-on-Hudson, New York, USA

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