St Helier weather in January 2025

Expect 46°F daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in St Helier in January. Check more long-term weather averages for St Helier in January before you book your next holiday to Jersey in 2025/2026.

  • 46°F maximum daytime temperature in January in St Helier46
    46°F max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in January in St Helier20
    20 days with some rainfall
  • 39°F minimum night-time temperature in January in St Helier39
    39°F min night temperature
  • 9 hours of daylight per day in January in St Helier9
    9 hours of daylight per day
  • No heat & humidity in January in St Helier0
    No heat & humidity
  • 4.0 inches monthly rainfall in January in St Helier4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in St Helier1
    1 (Low) UV index
  • 48°F sea temperature in January in St Helier48
    48°F sea temperature

More about St Helier

St Helier by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Jersey

  • Save EXTRA £50 per person on ALL holidays in 2024/2025
  • £100 off per couple & £200 off per family of four
  • Discount is automatic. No Jet2holidays promo code required

Expires at 23:59 on Sunday 31st Mar 2024 · View all Jet2holidays offers

Jet2holidaysJet2holidays deal finder

The January weather guide for Jersey, represented by St Helier, (St Helier) 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)

Back to top

How warm is it in St Helier in January?

Daytime temperatures usually reach 46°F in St Helier in January, falling to 39°F at night.

How sunny is it in St Helier in January?

There are normally 2 hours of bright sunshine each day in St Helier in January - that's 22% of daylight hours.

How warm is the sea around St Helier in January?

The average sea temperature around St Helier in January is 48°F.

Does it rain in St Helier in January?

There are usually 20 days with some rain in St Helier in January and the average monthly rainfall is 4.0 inches.

St Helier January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:03 16:21
Thursday, 16th January 2025 07:57 16:40
Friday, 31st January 2025 07:41 17:04

Related posts

Popular travel offers

Explore holidays in the sun for less

Top ^