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 notes an average high-temperature of a still warm 79.2°F (26.2°C), subtly differing from July's 80.2°F (26.8°C). Port Jefferson observes an average nighttime low-temperature of 61.3°F (16.3°C) during the month of August.Humidity
The average relative humidity in August is 82%.Rainfall
In Port Jefferson, in August, it is raining for 10.8 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 111.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Snowfall
In Port Jefferson, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 43min.On the first day of August, sunrise is at 6:34 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in August is 9.9h.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 vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In August, the UV index of 6 transforms into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Port Jefferson in August?
What is the average humidity in August?
How many days 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 Port Jefferson have in August?
When is the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Port Jefferson, OH
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in August
Port Jefferson, OH
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Port Jefferson, OH
- Average wind speed in August: 5.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in August
Port Jefferson, OH
- Average humidity in August: 82%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Port Jefferson, OH
- Average rainfall in August: 0.83"
The wettest months (with the highest rainfall) are May and June (1.06").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in August
Port Jefferson, OH
- Average rainfall days in August: 10.8 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (5 days).
Average snowfall in August
Port Jefferson, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Port Jefferson, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Port Jefferson, OH
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Port Jefferson, OH
- Average sunshine days in August: 16.4 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in August
Port Jefferson, OH
- 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, October, November and December (UV index 2).
Average cloud cover in August
Port Jefferson, OH
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Port Jefferson, OH
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Port Jefferson, Ohio, USA
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