January weather forecastMillville, DE
January
Weather in January
Initiating the year, January in Millville, Delaware brings a blend of cold wind and frequent rainfall. Temperatures plunge to lows of 32.9°F (0.5°C) while the highest readings reach just 42.1°F (5.6°C), leaving the atmosphere chilly throughout the month. Coupled with an average wind speed of 12.8mph (20.6km/h), the wintry weather is further emphasized. Comparatively lesser daylight hours and sunshine keeps the ambience dim and dull. As the month progresses, anticipate a subtle shift into slightly warmer conditions.Temperature
January is the month when Millville experiences its coldest temperatures, averaging a high of 42.1°F (5.6°C) and a low of 32.9°F (0.5°C).Humidity
The months with the lowest humidity in Millville 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
Months with snowfall are January through March, November and December. In Millville, in January, during 2.6 snowfall days, 0.83" (21mm) of snow is typically accumulated. Throughout the year, there are 8.8 snowfall days, and 2.48" (63mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 50min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:49 pm. On the last day of January, in Millville, sunrise is at 7:06 am and sunset at 5:20 pm EST.
Sunshine
In Millville, the average sunshine in January 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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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
Millville, 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).





