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 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
January is the coldest month in Seaford, with the temperature often reaching an average high of 41.5°F (5.3°C) and an average low of 29.1°F (-1.6°C).Humidity
With an average relative humidity of 74%, January is the least humid month in Seaford.Rainfall
In Seaford, in January, during 5.2 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Seaford, during the entire year, the rain falls for 95.8 days and collects up to 8.03" (204mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. January is the month with the most snowfall in Seaford. Snow falls for 2 days and accumulates 0.35" (9mm) of snow.Daylight
The average length of the day in January in Seaford, Delaware, is 9h and 50min.On the first day of January in Seaford, sunrise is at 7:20 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:22 pm EST.
Sunshine
In January, the average sunshine 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 minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in January transforms into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Seaford?
Is it cold in Seaford during January?
What is the least humid month in Seaford?
What is the average humidity in January in Seaford?
How many days does it rain in January in Seaford?
When does it snow the most in Seaford?
How many days does it snow in January in Seaford?
What is the average length of the day in January in Seaford?
When are sunrise and sunset in January in Seaford?
How many hours of sunshine does Seaford have in January?
What is the month with the lowest UV index in Seaford?
How high is the UV index in January in Seaford?
Average temperature in January
Seaford, DE
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in January: 29.1°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in January
Seaford, DE
- Average pressure in January: 30.1"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
Seaford, DE
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Seaford, DE
- Average humidity in January: 74%
The months with the highest relative humidity are May, August and September (80%).
The month with the lowest relative humidity is January (74%).
Average rainfall in January
Seaford, DE
- Average rainfall in January: 0.47"
The wettest months (with the highest rainfall) are July and August (1.06").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in January
Seaford, DE
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (4.9 days).
Average snowfall in January
Seaford, DE
- Average snowfall in January: 0.35"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Seaford, DE
- Average snowfall days in January: 2 days
The month with the highest number of snowfall days is January (2 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
Seaford, DE
- Average daylight in January: 9h and 5min
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 2min
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 6min).
Average sunshine days in January
Seaford, DE
- Average sunshine days in January: 23.7 days
The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in January
Seaford, 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
Seaford, DE
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in January
Seaford, 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).
Seaford, Delaware, USA
Weather forecast for your location
2. Allow the app to use your location