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
August's average high-temperature is a still moderately hot 75.9°F (24.4°C), maintaining a close comparison with July's 76.5°F (24.7°C). During August, the temperature tends to dip to an average of 64°F (17.8°C) at night.Humidity
In Alton, the average relative humidity in August is 77%.Rainfall
In Alton, in August, it is raining for 17.3 days, with typically 2.99" (76mm) of accumulated precipitation. In Alton, during the entire year, the rain falls for 171.8 days and collects up to 32.76" (832mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Alton, New York, is 13h and 54min.On the first day of August, sunrise is at 5:59 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:44 pm EDT.
Sunshine
In August, the average sunshine is 10.5h.UV index
In Alton, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Alton have in August?
What is the UV index intensity in August?
Average temperature in August
Alton, NY
- Average high temperature in August: 75.9°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in August
Alton, NY
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Alton, NY
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is January (13.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in August
Alton, NY
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (76%).
Average rainfall in August
Alton, NY
- Average rainfall in August: 2.99"
The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in August
Alton, NY
- Average rainfall days in August: 17.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in August
Alton, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Alton, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Alton, NY
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 10h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in August
Alton, NY
- Average sunshine days in August: 10.8 days
The month with the most sunshine days is May (12.7 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in August
Alton, NY
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Alton, NY
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Alton, NY
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Alton, New York, USA
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