Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The arrival of August marks a slight shift to an average high-temperature of a still warm 81.5°F (27.5°C) from July's 83.1°F (28.4°C). Throughout the month of August, Harriman witnesses an average temperature of 61.2°F (16.2°C).Heat index
The average heat index in August is calculated to be a hot 86°F (30°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.For clarity, heat index numbers account for light winds and areas under shade. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Harriman, New York, the average relative humidity in August is 76%.Rainfall
In Harriman, in August, it is raining for 14.3 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, in Harriman, there are 141.2 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
In Harriman, snow does not fall in June through September.Daylight
The average length of the day in August in Harriman is 13h and 47min.On the first day of August, sunrise is at 5:52 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:30 pm EDT.
Sunshine
In August, the average sunshine is 10.1h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 in August translates into this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What is the usual temperature for Harriman in August?
What is the average humidity in August in Harriman?
How many days does it rain in August in Harriman?
When it does not snow in Harriman?
What is the average length of the day in August in Harriman?
When is the sunrise / sunset in August in Harriman?
How many hours of sunshine does Harriman have in August?
When is the highest UV index in Harriman?
What is the UV index reading in August in Harriman?
Average temperature in August
Harriman, NY
- Average high temperature in August: 81.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in August
Harriman, 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
Harriman, NY
- Average wind speed in August: 4.6mph
The windiest months (with the highest average wind speed) are January, February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in August
Harriman, NY
- Average humidity in August: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Harriman, NY
- Average rainfall in August: 1.85"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in August
Harriman, NY
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in August
Harriman, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Harriman, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Harriman, 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 1min
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 30min).
Average sunshine days in August
Harriman, NY
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in August
Harriman, 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
Harriman, NY
- Average cloud cover in August: 34
The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in August
Harriman, 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).
Harriman, New York, USA
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