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 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
In Sea Isle City, January is the coldest month, with temperatures averaging a high of 40.6°F (4.8°C) and a low of 32.7°F (0.4°C).Humidity
In Sea Isle City, the average relative humidity in January is 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 6.5 days and typically collects 0.39" (10mm) of precipitation.Snowfall
Months with snowfall are January through March and December. In Sea Isle City, during January, snow falls for 2.8 days and regularly aggregates up to 0.12" (3mm) of snow. In Sea Isle City, during the entire year, snow falls for 8.3 days and aggregates up to 0.67" (17mm) of snow.Daylight
In January, the average length of the day is 9h and 47min.On the first day of January, sunrise is at 7:17 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in January in Sea Isle City is 5.4h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 suggests this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Sea Isle City?
Is it cold in Sea Isle City during January?
What is the average humidity in January in Sea Isle City?
What is the driest month in Sea Isle City?
How many days does it rain in January in Sea Isle City?
How much does it snow in Sea Isle City in January?
How many hours of daylight does Sea Isle City have in January?
When is the sunrise / sunset in January in Sea Isle City?
How many hours of sunshine does Sea Isle City have in January?
What is the month with the lowest UV index in Sea Isle City?
How high is the UV index in January in Sea Isle City?
Average temperature in January
Sea Isle City, NJ
- Average high temperature in January: 40.6°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in January: 32.7°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in January
Sea Isle City, NJ
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Sea Isle City, NJ
- Average wind speed in January: 13.5mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).
Average humidity in January
Sea Isle City, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in January
Sea Isle City, NJ
- Average rainfall in January: 0.39"
The wettest months (with the highest rainfall) are May and June (0.98").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in January
Sea Isle City, NJ
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (5.9 days).
Average snowfall in January
Sea Isle City, NJ
- Average snowfall in January: 0.12"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Sea Isle City, NJ
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Sea Isle City, NJ
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Sea Isle City, NJ
- Average sunshine days in January: 22.3 days
The months with the most sunshine days are January and November (22.3 days).
The month with the least sunshine days is July (15.6 days).
Average UV index in January
Sea Isle City, NJ
- 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 and December (UV index 2).
Average cloud cover in January
Sea Isle City, NJ
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in January
Sea Isle City, NJ
- 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).
Sea Isle City, New Jersey, USA
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