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
The start of February sees the average high-temperature at a still cold 38.8°F (3.8°C), showing little difference from January's 37.6°F (3.1°C). Port Jefferson's average low temperature, barely cooler than the daytime high, steadies at a freezing cold 30.4°F (-0.9°C) during February.Humidity
The average relative humidity in February is 74%.Rainfall
In February, the rain falls for 8.8 days. Throughout February, 2.17" (55mm) of precipitation is accumulated. In Port Jefferson, during the entire year, the rain falls for 146.8 days and collects up to 33.78" (858mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Port Jefferson, during February, snow falls for 4.4 days and regularly aggregates up to 1.06" (27mm) of snow. Throughout the year, there are 12.6 snowfall days, and 5.59" (142mm) of snow is accumulated.Ocean temperature
February is the month with the coldest seawater, with an average ocean temperature of 39.7°F (4.3°C).Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
Daylight
In Port Jefferson, the average length of the day in February is 10h and 40min.On the first day of the month, sunrise is at 7:02 am and sunset at 5:08 pm. On the last day of February, sunrise is at 6:26 am and sunset at 5:42 pm EST.
Sunshine
With an average of 4.7h of sunshine, February has the least sunshine of the year in Port Jefferson.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in February, converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is February cold?
What is the average humidity in February?
How much does it rain in February?
How much does it snow in February?
When is the ocean coldest?
What is the water temperature in February?
What is the average length of the day in February?
When is the sunrise / sunset in February?
What is the month with the least sunshine?
How long on average sun shines in February?
What are the months with the lowest UV index?
What is the UV index intensity 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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