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
In the transition from July to August, Smithtown reports an average high-temperature of a still warm 78.6°F (25.9°C), indicating a close resemblance to the prior month. Smithtown notes an average temperature descent to a pleasant 71.6°F (22°C) in August, a small shift from its daytime peak.Humidity
The average relative humidity in August in Smithtown, New York, is 72%.Rainfall
In Smithtown, in August, it is raining for 16.3 days, with typically 3.46" (88mm) of accumulated precipitation. In Smithtown, during the entire year, the rain falls for 155.9 days and collects up to 35.94" (913mm) of precipitation.Snowfall
In Smithtown, snow does not fall in April through October.Daylight
In August, the average length of the day is 13h and 45min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:08 pm. On the last day of August, sunrise is at 6:19 am and sunset at 7:26 pm EDT.
Sunshine
In Smithtown, the average sunshine in August is 10.7h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Smithtown have in August?
When are sunrise and sunset in August?
How many hours of sunshine does Smithtown have in August?
When is the highest UV index?
What is the UV index reading in August?
Average temperature in August
Smithtown, NY
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in August: 71.6°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in August
Smithtown, 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 (29.93"Hg).
Average wind speed in August
Smithtown, NY
- Average wind speed in August: 8.4mph
The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in August
Smithtown, NY
- Average humidity in August: 72%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in August
Smithtown, NY
- Average rainfall in August: 3.46"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in August
Smithtown, NY
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in August
Smithtown, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Smithtown, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Smithtown, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Smithtown, NY
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in August
Smithtown, 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 and December (UV index 2).
Average cloud cover in August
Smithtown, NY
- Average cloud cover in August: 28
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Smithtown, 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).
Smithtown, New York, USA
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