Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
The rise of average high-temperatures is seen in March, with an increase from an icy 36.3°F (2.4°C) in February to a chilly 47.5°F (8.6°C). Port Jefferson records an average nighttime low of 32.5°F (0.3°C) in March.Humidity
The average relative humidity in March is 77%.Rainfall
In Port Jefferson, in March, during 9.9 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Port Jefferson, during the entire year, the rain falls for 111.7 days and collects up to 8.58" (218mm) of precipitation.Snowfall
Months with snowfall in Port Jefferson are January through May, October through December. In March, it is snowing for 3.2 days. Throughout March, 0.31" (8mm) of snow is accumulated. In Port Jefferson, during the entire year, snow falls for 27.1 days and aggregates up to 2.8" (71mm) of snow.Daylight
The average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 7:08 am and sunset at 6:28 pm EST. On the last day of March, sunrise is at 7:20 am and sunset at 8:00 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
In March, the average sunshine is 6.2h.UV index
In March, the average daily maximum UV index in Port Jefferson is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in March transforms into this advice:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in March in Port Jefferson?
What is the average humidity in March?
How many days does it rain in March?
How many days does it snow in March in Port Jefferson?
How many hours of daylight does Port Jefferson have in March?
When is the sunrise / sunset in March?
When does Daylight Saving Time (DST) start in March in Port Jefferson?
How many hours of sunshine does Port Jefferson have in March?
What is the UV index reading in March?
Average temperature in March
Port Jefferson, OH
- Average high temperature in March: 47.5°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 March: 32.5°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 March
Port Jefferson, OH
- Average pressure in March: 30.09"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 March
Port Jefferson, OH
- Average wind speed in March: 9.8mph
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 March
Port Jefferson, OH
- Average humidity in March: 77%
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 March
Port Jefferson, OH
- Average rainfall in March: 0.63"
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 March
Port Jefferson, OH
- Average rainfall days in March: 9.9 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 March
Port Jefferson, OH
- Average snowfall in March: 0.31"
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 March
Port Jefferson, OH
- Average snowfall days in March: 3.2 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 March /
Average sunshine in March
Port Jefferson, OH
- Average daylight in March: 12h 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 March: 6h and 1min
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 March
Port Jefferson, OH
- Average sunshine days in March: 18.3 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 March
Port Jefferson, OH
- Average UV index in March: 3
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 March
Port Jefferson, OH
- Average cloud cover in March: 50
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 March
Port Jefferson, OH
- Average visibility in March: 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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