August weather forecastJefferson, NY
August
Weather in August
August, the last month of the summer in Jefferson, is also a moderately hot month, with an average temperature fluctuating between 54.5°F (12.5°C) and 74.5°F (23.6°C).Temperature
With the onset of August, Jefferson's average high-temperature clocks in at a still warm 74.5°F (23.6°C), showing a minor fluctuation from the previous month. Jefferson's nighttime temperature during August is consistently averaged at a cool 54.5°F (12.5°C).Humidity
In Jefferson, New York, the average relative humidity in August is 81%.Rainfall
August is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.27" (83mm) of precipitation.Snowfall
In Jefferson, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 51min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:33 pm EDT.
Sunshine
In Jefferson, the average sunshine in August is 9.3h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in Jefferson. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Jefferson, NY
- Average high temperature in August: 74.5°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in August: 54.5°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in August
Jefferson, 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
Jefferson, NY
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Jefferson, NY
- Average humidity in August: 81%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in August
Jefferson, NY
- Average rainfall in August: 3.27"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in August
Jefferson, NY
- Average rainfall days in August: 16.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in August
Jefferson, NY
- Average snowfall in August: 0"
The month with the highest snowfall is December (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Jefferson, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Jefferson, NY
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in August
Jefferson, NY
- Average sunshine days in August: 10.8 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in August
Jefferson, NY
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in August
Jefferson, NY
- Average cloud cover in August: 43
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in August
Jefferson, NY
- Average visibility in August: 5mi
The months with the highest visibility are January, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February, March and September (4mi).
