Wilmington weather in January 2025

Expect 37°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Wilmington in January. Check more long-term weather averages for Wilmington in January before you book your next holiday to Delaware in 2025/2026.

  • 37°F maximum daytime temperature in January in Wilmington37
    37°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in January in Wilmington10
    10 days with some rainfall
  • 23°F minimum night-time temperature in January in Wilmington23
    23°F min night temperature
  • 10 hours of daylight per day in January in Wilmington10
    10 hours of daylight per day
  • No heat & humidity in January in Wilmington0
    No heat & humidity
  • 3.3 inches monthly rainfall in January in Wilmington3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Wilmington2
    2 (Low) UV index
  • 36°F sea temperature in January in Wilmington36
    36°F sea temperature

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The January weather guide for Delaware (Wilmington) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about the USA

How cold is it in Wilmington in January?

Daytime temperatures usually reach 37°F in Wilmington in January, falling to 23°F at night.

How sunny is it in Wilmington in January?

There are normally 5 hours of bright sunshine each day in Wilmington in January - that's 52% of daylight hours.

How warm is the sea around Wilmington in January?

The average sea temperature around Wilmington in January is 36°F.

Does it rain in Wilmington in January?

There are usually 10 days with some rain in Wilmington in January and the average monthly rainfall is 3.3 inches. Rain may fall as snow in this month.

Wilmington January sunrise & sunset times

Browse the sunrise and sunset times for Wilmington in January 2025. Select a month to view Wilmington sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:23 16:49
Thursday, 16th January 2025 07:21 17:04
Friday, 31st January 2025 07:11 17:21

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