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
In Cape May, New Jersey, January records the lowest average temperatures, peaking at 40.5°F (4.7°C) and reaching a low of 32.2°F (0.1°C).Humidity
In Cape May, New Jersey, the average relative humidity in January is 74%.Rainfall
January is the month with the least rainfall. Rain falls for 8.7 days and accumulates 2.13" (54mm) of precipitation.Snowfall
Months with snowfall are January through March and December. In Cape May, during January, snow falls for 2.4 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 8.3 snowfall days, and 3.11" (79mm) of snow is accumulated.Ocean temperature
In Cape May, the average seawater temperature in January is 46.4°F (8°C).Note: It is risky to swim in 46.4°F (8°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.
Daylight
In January, the average length of the day is 9h and 49min.On the first day of January, sunrise is at 7:18 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:19 pm EST.
Sunshine
In January, the average sunshine is 5.3h.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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, a regular UV index of 2 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
Is January cold?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
What is the ocean temperature in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Cape May, NJ
- Average high temperature in January: 40.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in January: 32.2°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 (32.2°F).
Average pressure in January
Cape May, NJ
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Cape May, NJ
- Average wind speed in January: 13.5mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).
Average humidity in January
Cape May, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).
Average rainfall in January
Cape May, NJ
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in January
Cape May, NJ
- Average rainfall days in January: 8.7 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in January
Cape May, NJ
- Average snowfall in January: 0.67"
The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Cape May, NJ
- Average snowfall days in January: 2.4 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in January
Cape May, NJ
- Average sea temperature in January: 46°F
The best month for swimming (with the highest average sea temperature) is August (75°F).
The coldest months (with the lowest average sea temperature) are February and March (43°F).
Average daylight in January /
Average sunshine in January
Cape May, 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: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Cape May, NJ
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is November (18.9 days).
The months with the least sunshine days are May and June (12.5 days).
Average UV index in January
Cape May, 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
Cape May, NJ
- Average cloud cover in January: 43
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
Cape May, 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).
Cape May, New Jersey, USA
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