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New Haven weather in January 2025
Expect 2°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in New Haven in January. Check more long-term weather averages for New Haven in January before you book your next holiday to Connecticut in 2025/2026.
- 22°C max day temperature
- 6 hours of sunshine per day
- 1010 days with some rainfall
- -6-6°C min night temperature
- 1010 hours of daylight per day
- 0No heat & humidity
- 8282 mm of monthly rainfall
- 22 (Low) UV index
- 44°C sea temperature
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Recommended for Connecticut
The January weather guide for Connecticut (New Haven) 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 / mm) | Imperial (°F / inches)
More about the USA
How cold is it in New Haven in January?
Daytime temperatures usually reach 2°C in New Haven in January, falling to -6°C at night.
How sunny is it in New Haven in January?
There are normally 6 hours of bright sunshine each day in New Haven in January - that's 57% of daylight hours.
Is the sea cold around New Haven in January?
The average sea temperature around New Haven in January is 4°C.
Does it rain in New Haven in January?
There are usually 10 days with some rain in New Haven in January and the average monthly rainfall is 82mm. Rain may fall as snow in this month.
New Haven January sunrise & sunset times
Browse the sunrise and sunset times for New Haven in January 2025. Select a month to view New Haven sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st January 2025 | 07:18 | 16:34 |
Thursday, 16th January 2025 | 07:15 | 16:49 |
Friday, 31st January 2025 | 07:04 | 17:07 |
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