August weather forecastNew Rochelle, NY
August
Weather in August
August in New Rochelle continues to dish out summer's quintessential warm weather. Despite a slight fall in temperature compared to July, with highs reaching up to 81.3°F (27.4°C), August still falls well within the summer spectrum. This month also witnesses slightly increased rainfall compared to previous months, making for sporadic yet brief rain showers. As the city progresses into September, the prevalent warmth begins to simmer down, gradually making way for the milder fall temperatures.Temperature
New Rochelle transitions into August recording an average high-temperature of a still moderately hot 81.3°F (27.4°C), closely aligning with the preceding month's temperature. During August, New Rochelle witnesses a consistent average low-temperature of 68.9°F (20.5°C).Heat index
August's mean heat index is calculated to be a hot 86°F (30°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The least humid month is August, with an average relative humidity of 70%.Rainfall
In New Rochelle, in August, it is raining for 15.4 days, with typically 2.6" (66mm) of accumulated precipitation. In New Rochelle, during the entire year, the rain falls for 150.3 days and collects up to 27.72" (704mm) of precipitation.Snowfall
May through October are months without snowfall in New Rochelle.Daylight
In New Rochelle, the average length of the day in August is 13h and 46min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:10 pm. On the last day of August, in New Rochelle, sunrise is at 6:21 am and sunset at 7:28 pm EDT.
Sunshine
The average sunshine in August is 10.5h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in New Rochelle, New York. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
New Rochelle, NY
- Average high temperature in August: 81.3°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 (36.3°F).
- Average low temperature in August: 68.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in August
New Rochelle, 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
New Rochelle, NY
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in August
New Rochelle, NY
- Average humidity in August: 70%
The months with the highest relative humidity are February and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in August
New Rochelle, NY
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and February (1.69").
Average rainfall days in August
New Rochelle, NY
- Average rainfall days in August: 15.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in August
New Rochelle, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
New Rochelle, NY
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
New Rochelle, NY
- Average daylight in August: 13h and 48min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
New Rochelle, NY
- Average sunshine days in August: 13.2 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12 days).
Average UV index in August
New Rochelle, 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
New Rochelle, NY
- Average cloud cover in August: 29
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
New Rochelle, 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).
