January weather forecastSelbyville, DE
January
Weather in January
The yearly cycle commences in Selbyville, Delaware, with January’s frigid temperatures, falling as low as 32.9°F (0.5°C), coupled with an average of 2.6 snowfall days. This month exhibits a distinctive wintry charm, coated with frosty mornings and crisp nights. The weather swiftly transitions from the cooler degrees towards the month's end, setting a course into February. Despite January's numerous snowy days, outdoor endeavors are more feasible during its sunlit hours. The daylight, though shorter than in other months, commands an enchanting allure.Temperature
January, with its average high-temperature of 42.1°F (5.6°C) and an average low-temperature of 32.9°F (0.5°C), holds the record as the coldest month in Selbyville.Humidity
The months with the lowest humidity in Selbyville, Delaware, are January and November, with an average relative humidity of 74%.Rainfall
January is the month with the least rainfall. Rain falls for 7.4 days and accumulates 1.5" (38mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Selbyville, during January, snow falls for 2.6 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, there are 8.8 snowfall days, and 2.48" (63mm) of snow is accumulated.Daylight
In January, the average length of the day in Selbyville is 9h and 51min.On the first day of January, sunrise is at 7:18 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in January is 5.4h.UV index
The months with the lowest UV index in Selbyville are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 2 in January leads to these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Selbyville, DE
- Average high temperature in January: 42.1°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 (42.1°F).
- Average low temperature in January: 32.9°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 (32.9°F).
Average pressure in January
Selbyville, 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
Selbyville, DE
- Average wind speed in January: 12.8mph
The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in January
Selbyville, DE
- Average humidity in January: 74%
The month with the highest relative humidity is May (82%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in January
Selbyville, DE
- Average rainfall in January: 1.5"
The wettest months (with the highest rainfall) are July and August (2.87").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in January
Selbyville, DE
- Average rainfall days in January: 7.4 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in January
Selbyville, DE
- Average snowfall in January: 0.83"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Selbyville, DE
- Average snowfall days in January: 2.6 days
The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Selbyville, DE
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
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 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in January
Selbyville, DE
- Average sunshine days in January: 19.7 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in January
Selbyville, 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
Selbyville, DE
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
Selbyville, 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).
