Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
As Port Jefferson transitions into June, a marginal rise in the average high-temperature is observed, moving from an agreeable 70.3°F (21.3°C) in May to a moderately hot 77.7°F (25.4°C). The month of June records an average low-temperature of 61°F (16.1°C).Humidity
The average relative humidity in June is 80%.Rainfall
The wettest months are May and June, with an average 1.06" (27mm) of rainfall.Snowfall
June through September are months without snowfall in Port Jefferson.Daylight
June has the longest days of the year, with an average of 15h and 0min of daylight.On the first day of June, sunrise is at 6:08 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 9:10 pm EDT.
Sunshine
In June, the average sunshine in Port Jefferson is 10h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: In June, the UV index of 6 transforms into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in June?
What is the average humidity in June?
What is the wettest month?
How many days does it rain in June in Port Jefferson?
When it does not snow?
Does it snow in June?
When are the longest days?
What is the average length of the day in June?
What time are sunrise and sunset in June?
How long on average sun shines in June in Port Jefferson?
What are the months with the highest UV index?
What is the UV index intensity in June?
Average temperature in June
Port Jefferson, OH
- Average high temperature in June: 77.7°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 June: 61°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 June
Port Jefferson, OH
- Average pressure in June: 29.93"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 June
Port Jefferson, OH
- Average wind speed in June: 7.3mph
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 June
Port Jefferson, OH
- Average humidity in June: 80%
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 June
Port Jefferson, OH
- Average rainfall in June: 1.06"
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 June
Port Jefferson, OH
- Average rainfall days in June: 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 June
Port Jefferson, OH
- Average snowfall in June: 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 June
Port Jefferson, OH
- Average snowfall days in June: 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 June /
Average sunshine in June
Port Jefferson, OH
- Average daylight in June: 15h and 0min
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 June: 10h and 0min
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 June
Port Jefferson, OH
- Average sunshine days in June: 14.8 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 June
Port Jefferson, OH
- Average UV index in June: 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 June
Port Jefferson, OH
- Average cloud cover in June: 34
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 June
Port Jefferson, OH
- Average visibility in June: 6mi
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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