Contents
- Weather in February
- Frequently asked questions
- Average temperature in February
- Average pressure in February
- Average wind speed in February
- Average humidity in February
- Average rainfall in February
- Average rainfall days in February
- Average snowfall in February
- Average snowfall days in February
- Average sea temperature in February
- Average daylight in February
- Average sunshine in February
- Average sunshine days in February
- Average UV index in February
- Average cloud cover in February
- Average visibility in February
Weather in February
Temperature
February brings a marginal elevation to a still wintry 38.8°F (3.8°C) from January's 37.6°F (3.1°C) in Port Jefferson's average high-temperatures. Port Jefferson, during February nights, witnesses an average temperature marginally cooler than its daytime highs, at a subzero cold 30.4°F (-0.9°C).Humidity
In Port Jefferson, the average relative humidity in February is 74%.Rainfall
In Port Jefferson, during February, the rain falls for 8.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, in Port Jefferson, there are 146.8 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, October through December. In February, it is snowing for 4.4 days. Throughout February, 1.06" (27mm) of snow is accumulated. In Port Jefferson, during the entire year, snow falls for 12.6 days and aggregates up to 5.59" (142mm) of snow.Ocean temperature
February is the month with the coldest seawater in Port Jefferson, New York, with an average ocean temperature of 39.7°F (4.3°C).Note: In relation to swimming, the extreme cold, danger, and potential fatality of this situation are apparent. Without suitable insulated waterproof clothing, the onset of hypothermia is quick.
Daylight
In February, the average length of the day is 10h and 40min.On the first day of February, sunrise is at 7:02 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 5:42 pm EST.
Sunshine
February has the least sunshine of the year in Port Jefferson, with an average of 4.7h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 2 during February translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is February in Port Jefferson?
What is the average humidity in February in Port Jefferson?
How many days does it rain in February in Port Jefferson?
How much does it snow in Port Jefferson in February?
What month is the ocean coldest in Port Jefferson?
How cold is the water in February in Port Jefferson?
What is the average length of the day in February in Port Jefferson?
When is the sunrise / sunset in February in Port Jefferson?
What is the month with the least sunshine in Port Jefferson?
How many hours of sunshine does Port Jefferson have in February?
What is the month with the lowest UV index in Port Jefferson?
What is the UV index reading in February in Port Jefferson?
Average temperature in February
Port Jefferson, NY
- Average high temperature in February: 38.8°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in February: 30.4°F
The months with the highest average low temperature are July and August (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in February
Port Jefferson, NY
- Average pressure in February: 30.02"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in February
Port Jefferson, NY
- Average wind speed in February: 12.4mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in February
Port Jefferson, NY
- Average humidity in February: 74%
The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in February
Port Jefferson, NY
- Average rainfall in February: 2.17"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in February
Port Jefferson, NY
- Average rainfall days in February: 8.8 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in February
Port Jefferson, NY
- Average snowfall in February: 1.06"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in February
Port Jefferson, NY
- Average snowfall days in February: 4.4 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in February
Port Jefferson, NY
- Average sea temperature in February: 39.7°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in February /
Average sunshine in February
Port Jefferson, NY
- Average daylight in February: 10h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in February: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in February
Port Jefferson, NY
- Average sunshine days in February: 15.6 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (13 days).
Average UV index in February
Port Jefferson, NY
- Average UV index in February: 2
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, March, November and December (UV index 2).
Average cloud cover in February
Port Jefferson, NY
- Average cloud cover in February: 48
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in February
Port Jefferson, NY
- Average visibility in February: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Port Jefferson, New York, USA
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