August weather forecast
Garrison, NY

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Weather in August

August, the last month of the summer in Garrison, is another warm month, with an average temperature varying between 61.2°F (16.2°C) and 82°F (27.8°C).

Temperature

As Garrison, New York, steps into August, the average high-temperature is measured at a still warm 82°F (27.8°C), displaying minor differences from July's 83.8°F (28.8°C). An average low-temperature of 61.2°F (16.2°C) is expected during August.

Heat index

The average heat index in August is evaluated at a hot 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The average relative humidity in August is 76%.

Rainfall

In August, in Garrison, the rain falls for 15.8 days. Throughout August, 2.6" (66mm) of precipitation is accumulated. In Garrison, during the entire year, the rain falls for 155.7 days and collects up to 31.5" (800mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Garrison, the average length of the day in August is 13h and 47min.
On the first day of August, sunrise is at 5:51 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:29 pm EDT.

Sunshine

In Garrison, the average sunshine in August is 10.1h.

UV index

June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in August transforms into this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Garrison in August?

August temperatures vary between a high-temperature of 82°F (27.8°C) and a low-temperature of 61.2°F (16.2°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 76%.

How many days does it rain in August?

In Garrison, in August, during 15.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in August?

The average day length in August is 13h and 47min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:51 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:29 pm EDT.

How many hours of sunshine does Garrison have in August?

In Garrison, the average sunshine duration in August is 10.1h.

What is the month with the highest UV index?

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

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 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
Garrison, NY

Average temperature in August - Garrison, NY
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 61.2°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in August
Garrison, NY

Average pressure in August - Garrison, 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
Garrison, NY

Average wind speed in August - Garrison, 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
Garrison, NY

Average humidity in August - Garrison, NY
  • Average humidity in August: 76%

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (73%).

Average rainfall in August
Garrison, NY

Average rainfall in August - Garrison, NY
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is December (3.23").
The driest months (with the least rainfall) are January and September (1.97").

Average rainfall days in August
Garrison, NY

Average rainfall days in August - Garrison, NY
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in August
Garrison, NY

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

The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Garrison, NY

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

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Garrison, 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 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 30min).

Average sunshine days in August
Garrison, NY

Average sunshine days in August - Garrison, NY
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in August
Garrison, NY

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

The months with the highest UV index are June 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
Garrison, NY

Average cloud cover in August - Garrison, NY
  • Average cloud cover in August: 34

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

Average visibility in August
Garrison, NY

Average visibility in August - Garrison, NY
  • Average visibility in August: 5mi

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

Garrison, New York, USA

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