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St Helier weather in January 2023
- 88°C max day temperature
- 2020 days with some rainfall
- 44°C min night temperature
- 99 hours of daylight per day
- 0No heat & humidity
- 102102 mm of monthly rainfall
- 11 (Low) UV index
- 99°C sea temperature
Recommended for Jersey
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 / mm) | Imperial (°F / inches)
How warm is it in St Helier in January?
Daytime temperatures usually reach 8°C in St Helier in January, falling to 4°C 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.
Is the sea cold around St Helier in January?
The average sea temperature around St Helier in January is 9°C.
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 102mm.
St Helier January sunrise & sunset times
Browse the sunrise and sunset times for St Helier in January 2023. Select a month to view St Helier sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Sunday, 1st January 2023||08:03||16:21|
|Monday, 16th January 2023||07:57||16:39|
|Tuesday, 31st January 2023||07:41||17:03|
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