August weather forecast
Chappaqua, NY

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Weather in August

The last month of the summer, August, is another warm month in Chappaqua, New York, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 81.1°F (27.3°C).

Temperature

The start of August marks an average high-temperature of a still moderately hot 81.1°F (27.3°C), hardly distinguishable from the conditions in July. The average nighttime temperature lowers to a comfortable 64.9°F (18.3°C) throughout August.

Heat index

The heat index value during August is estimated at a hot 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

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

Rainfall

In Chappaqua, in August, during 15.1 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Chappaqua, during the entire year, the rain falls for 144.2 days and collects up to 22.32" (567mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Chappaqua, the average length of the day in August is 13h and 46min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:28 pm EDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the temperature in August?

The high-temperature, in August, in Chappaqua, records 81.1°F (27.3°C), while the low-temperature is 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 73%.

How many days does it rain in August?

In Chappaqua, during August, the rain falls for 15.1 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow?

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

How many hours of daylight does Chappaqua have in August?

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

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:51 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:28 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.4h.

When is 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?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Chappaqua, NY

Average temperature in August - Chappaqua, 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 (34.5°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in August
Chappaqua, NY

Average pressure in August - Chappaqua, 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
Chappaqua, NY

Average wind speed in August - Chappaqua, NY
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in August
Chappaqua, NY

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

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in August
Chappaqua, NY

Average rainfall in August - Chappaqua, NY
  • Average rainfall in August: 2.09"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is February (1.18").

Average rainfall days in August
Chappaqua, NY

Average rainfall days in August - Chappaqua, NY
  • Average rainfall days in August: 15.1 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in August
Chappaqua, NY

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

The month with the highest snowfall is March (2.95").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Chappaqua, NY

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

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Chappaqua, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Chappaqua, NY

Average sunshine days in August - Chappaqua, NY
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (12.1 days).

Average UV index in August
Chappaqua, NY

Average UV index in August - Chappaqua, 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
Chappaqua, NY

Average cloud cover in August - Chappaqua, NY
  • Average cloud cover in August: 30

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in August
Chappaqua, NY

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

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

Chappaqua, New York, USA

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