Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Seaford's January weather reaches an average high of 37.9°F (3.3°C) and an average low of 30.2°F (-1°C), making it the coldest month.Humidity
In Seaford, New York, the average relative humidity in January is 73%.Rainfall
The month with the least rainfall in Seaford is January, when the rain falls for 9.1 days and typically collects 1.89" (48mm) of precipitation.Snowfall
Months with snowfall in Seaford are January through April, October through December. In Seaford, in January, snow falls for 5.3 days, with typically accumulated 0.94" (24mm) of snow. Throughout the year, there are 16.8 snowfall days, and 4.17" (106mm) of snow is accumulated.Ocean temperature
In January, the average ocean temperature in Seaford is 42.4°F (5.8°C).Note: Caution: 42.4°F (5.8°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
In Seaford, the average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:09 pm EST.
Sunshine
In Seaford, the average sunshine in January is 5.2h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In January, an average UV index of 2 transforms into the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What time of the year is the coldest in Seaford?
How cold is it in Seaford in January?
What is the average humidity in January in Seaford?
What is the driest month in Seaford?
How many days does it rain in January in Seaford?
How much does it snow in Seaford in January?
What is the water temperature in January in Seaford?
How many hours of daylight does Seaford have in January?
When are sunrise and sunset in January in Seaford?
How many hours of sunshine does Seaford have in January?
What is the month with the lowest UV index in Seaford?
How high is the UV index in January in Seaford?
Average temperature in January
Seaford, NY
- Average high temperature in January: 37.9°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 30.2°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in January
Seaford, NY
- Average pressure in January: 30.05"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 January
Seaford, NY
- Average wind speed in January: 13.9mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in January
Seaford, NY
- Average humidity in January: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in January
Seaford, NY
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in January
Seaford, NY
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in January
Seaford, NY
- Average snowfall in January: 0.94"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Seaford, NY
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in January
Seaford, NY
- Average sea temperature in January: 42.4°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in January /
Average sunshine in January
Seaford, NY
- Average daylight in January: 9h 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 18min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Seaford, NY
- Average sunshine days in January: 16.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in January
Seaford, NY
- Average UV index in January: 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 and December (UV index 2).
Average cloud cover in January
Seaford, NY
- Average cloud cover in January: 44
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Seaford, NY
- Average visibility in January: 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).
Seaford, New York, USA
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