August weather forecast
Castleton-on-Hudson, NY

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Weather in August

August, the last month of the summer in Castleton-on-Hudson, is another warm month, with an average temperature ranging between min 57.2°F (14°C) and max 79.2°F (26.2°C).

Temperature

August records an average high-temperature of a still warm 79.2°F (26.2°C), indicating a minor variation from the preceding month. Castleton-on-Hudson in August observes a sharp transition from the daytime heat, falling to an average low of 57.2°F (14°C).

Humidity

In August, the average relative humidity is 77%.

Rainfall

In Castleton-on-Hudson, in August, it is raining for 16.3 days, with typically 2.91" (74mm) of accumulated precipitation. In Castleton-on-Hudson, during the entire year, the rain falls for 151.6 days and collects up to 28.78" (731mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 52min.
On the first day of the month, sunrise is at 5:47 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:19 am and sunset at 7:30 pm EDT.

Sunshine

July and August, with an average of 10.3h of sunshine, are months with the most sunshine in Castleton-on-Hudson.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Castleton-on-Hudson in August?

An average high-temperature, in August, in Castleton-on-Hudson, is 79.2°F (26.2°C) and the average low-temperature is 57.2°F (14°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is estimated at 86°F (30°C).

What is the average humidity in August?

In Castleton-on-Hudson, the average relative humidity in August is 77%.

How many days does it rain in August?

In Castleton-on-Hudson, in August, it is raining for 16.3 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow?

In Castleton-on-Hudson, 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 52min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:47 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:30 pm EDT.

What are the months with the most sunshine in Castleton-on-Hudson?

The months with the most sunshine are July and August, with an average of 10.3h of sunshine.

How long on average sun shines in August?

In Castleton-on-Hudson, the average sunshine duration in August is 10.3h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index reading in August?

In August, the average daily maximum UV index in Castleton-on-Hudson is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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
Castleton-on-Hudson, NY

Average temperature in August - Castleton-on-Hudson, NY
  • Average high temperature in August: 79.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in August: 57.2°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in August
Castleton-on-Hudson, NY

Average pressure in August - Castleton-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 (29.92"Hg).

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

Average wind speed in August - Castleton-on-Hudson, NY
  • Average wind speed in August: 5.1mph

The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in August
Castleton-on-Hudson, NY

Average humidity in August - Castleton-on-Hudson, NY
  • Average humidity in August: 77%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).

Average rainfall in August
Castleton-on-Hudson, NY

Average rainfall in August - Castleton-on-Hudson, NY
  • Average rainfall in August: 2.91"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.61").

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

Average rainfall days in August - Castleton-on-Hudson, NY
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in August
Castleton-on-Hudson, NY

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

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

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

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

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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

  • Average sunshine in August: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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

Average sunshine days in August - Castleton-on-Hudson, NY
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (11.4 days).

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

Average UV index in August - Castleton-on-Hudson, NY
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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

Average cloud cover in August - Castleton-on-Hudson, NY
  • Average cloud cover in August: 34

The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in August
Castleton-on-Hudson, NY

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

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

Castleton-on-Hudson, New York, USA

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