August weather forecastKatonah, NY
August
Weather in August
August, the last month of the summer in Katonah, is another warm month, with an average temperature fluctuating between 81.1°F (27.3°C) and 64.9°F (18.3°C).Temperature
With August's arrival, Katonah notes an average high-temperature of a still warm 81.1°F (27.3°C), closely following the trend of the preceding month. August in Katonah witnesses an average low-temperature hovering around a refreshing 64.9°F (18.3°C).Heat index
The heat index in August is estimated at a tropical 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In August, the average relative humidity is 73%.Rainfall
In Katonah, in August, it is raining for 15.1 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 144.2 rainfall days, and 22.32" (567mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 47min.On the first day of the month, sunrise is at 5:50 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:28 pm EDT.
Sunshine
In August, the average sunshine is 10.4h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during August translates into the following guidance:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Katonah, 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
Katonah, 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
Katonah, 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
Katonah, 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
Katonah, 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
Katonah, 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
Katonah, 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
Katonah, 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
Katonah, 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 24min
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
Katonah, 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
Katonah, 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
Katonah, 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
Katonah, 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).
