January weather forecastOdessa, DE
January
Weather in January
January, the same as December, is an icy winter month in Odessa, Delaware, with an average temperature ranging between min 26.8°F (-2.9°C) and max 38.7°F (3.7°C).Temperature
January tends to be the coldest month, with temperatures averaging a daily high of 38.7°F (3.7°C) and a low of 26.8°F (-2.9°C).Humidity
In January, the average relative humidity in Odessa is 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 7.4 days and typically collects 1.26" (32mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 4.5 days and accumulates 1.57" (40mm) of snow.Daylight
The average length of the day in January is 9h and 46min.On the first day of January in Odessa, sunrise is at 7:22 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in January is 5.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during January leads to these advisories:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Odessa, DE
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in January: 26.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in January
Odessa, DE
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Odessa, DE
- Average wind speed in January: 8.8mph
The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Odessa, DE
- Average humidity in January: 74%
The months with the highest relative humidity are May, June and September (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Odessa, DE
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in January
Odessa, DE
- Average rainfall days in January: 7.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in January
Odessa, DE
- Average snowfall in January: 1.57"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Odessa, DE
- Average snowfall days in January: 4.5 days
The month with the highest number of snowfall days is January (4.5 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
Odessa, 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 24min).
- Average sunshine in January: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Odessa, DE
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in January
Odessa, 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, February, November and December (UV index 2).
Average cloud cover in January
Odessa, DE
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Odessa, 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).





