January weather forecastGeorgetown, DE
January
Weather in January
January in Georgetown, Delaware carries the distinction of having the year's coldest month with average high and low temperatures from 41.4°F (5.2°C) to 30.6°F (-0.8°C). The city experiences a higher percentage of cloud cover in comparison to the sunnier months ahead. The perception of humidity remains relatively constant through the year, making the cold feel even more biting. And while January does see snowfall, it is not a significant deterrent to daily activities. The frequency of rainfall days is moderate, but the month sees the least sunlight hours of the year.Temperature
January proves to be the coldest month in Georgetown, recording an average maximum temperature of 41.4°F (5.2°C) and a minimum temperature of 30.6°F (-0.8°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 8.1 days and typically collects 1.57" (40mm) of precipitation.Snowfall
Months with snowfall in Georgetown are January through March, November and December. The month with the most snowfall in Georgetown is January, when snow falls for 3.7 days and typically aggregates up to 1.61" (41mm) of snow.Daylight
In Georgetown, the average length of the day in January is 9h and 50min.On the first day of January, sunrise is at 7:19 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in January in Georgetown is 5.5h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Georgetown, DE
- Average high temperature in January: 41.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in January: 30.6°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in January
Georgetown, 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
Georgetown, DE
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is February (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in January
Georgetown, 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
Georgetown, DE
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in January
Georgetown, DE
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in January
Georgetown, DE
- Average snowfall in January: 1.61"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Georgetown, DE
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is January (3.7 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
Georgetown, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in January
Georgetown, DE
- Average sunshine days in January: 19.2 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in January
Georgetown, 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
Georgetown, DE
- Average cloud cover in January: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in January
Georgetown, 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).





