January weather forecastSlaughter Beach, DE
January
Weather in January
January in Slaughter Beach, Delaware brings a cold winter chill, with temperatures fluctuating between 29.7°F (-1.3°C) and 40.6°F (4.8°C), making it the coldest month of the year. Shorter hours of daylight, paired with increased cloud percentage makes the winter weather feel even colder. Distinct winter precipitation patterns manifest, with both rainfall and snowfall events markedly noticeable. Despite the lower temperatures, the relative humidity remains consistent. The brisk, winter wind is another factor to consider while planning outdoor activities during January.Temperature
Temperature records in Slaughter Beach mark January as the coldest month, with highs averaging 40.6°F (4.8°C) and lows at 29.7°F (-1.3°C).Humidity
The months with the lowest humidity are January and November, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 8.4 days and typically collects 1.5" (38mm) of precipitation.Snowfall
Months with snowfall are January through March, May, November and December. The month with the most snowfall is January, when snow falls for 3.3 days and typically aggregates up to 1.22" (31mm) of snow.Daylight
In Slaughter Beach, the average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:49 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:20 pm EST.
Sunshine
In January, the average sunshine in Slaughter Beach is 5.4h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Slaughter Beach, DE
- Average high temperature in January: 40.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in January: 29.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in January
Slaughter Beach, DE
- 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
Slaughter Beach, DE
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Slaughter Beach, DE
- Average humidity in January: 74%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in January
Slaughter Beach, DE
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in January
Slaughter Beach, DE
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in January
Slaughter Beach, DE
- Average snowfall in January: 1.22"
The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in January
Slaughter Beach, DE
- Average snowfall days in January: 3.3 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Slaughter Beach, DE
- Average daylight in January: 9h and 48min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Slaughter Beach, DE
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in January
Slaughter Beach, DE
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Slaughter Beach, DE
- Average cloud cover in January: 42
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in January
Slaughter Beach, DE
- 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).
