August weather forecastDexter, NY
August
Weather in August
The last month of the summer, August, is another warm month in Dexter, New York, with an average temperature ranging between max 75.6°F (24.2°C) and min 60.6°F (15.9°C).Temperature
The shift into August records an average high-temperature of a still moderately hot 75.6°F (24.2°C), subtly varied from July's 76.1°F (24.5°C). Dexter records an average low of 60.6°F (15.9°C) throughout the nights in August.Humidity
In August, the average relative humidity is 78%.Rainfall
In Dexter, during August, the rain falls for 11.9 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 126.1 rainfall days, and 17.01" (432mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Ocean temperature
The month with the warmest seawater in Dexter is August, with an average ocean temperature of 70.2°F (21.2°C).Note: Swimming is not an enjoyable activity for the majority when the water is at 70.2°F (21.2°C). The difficulty of controlling breathing increases as the temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
The average length of the day in August is 13h and 57min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:41 pm EDT.
Sunshine
The average sunshine in August is 10.1h.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 5 during August leads to these instructions:
Make use of precautions - It is urged to ward off sun damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dexter, NY
- Average high temperature in August: 75.6°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in August: 60.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in August
Dexter, NY
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Dexter, NY
- Average wind speed in August: 7.5mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in August
Dexter, NY
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and September (77%).
Average rainfall in August
Dexter, NY
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in August
Dexter, NY
- Average rainfall days in August: 11.9 days
The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in August
Dexter, NY
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Dexter, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Dexter, NY
- Average sea temperature in August: 70.1°F
The best month for swimming (with the highest average sea temperature) is August (70.1°F).
The coldest month (with the lowest average sea temperature) is March (35.5°F).
Average daylight in August /
Average sunshine in August
Dexter, NY
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 10h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in August
Dexter, NY
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is January (11.1 days).
Average UV index in August
Dexter, 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
Dexter, NY
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in August
Dexter, NY
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
