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St Helier weather in January 2021
- 8°C max day temperature
8 - 2 hours of sunshine per day
- 20 days with some rainfall
20 - 4°C min night temperature
4 - 9 hours of daylight per day
9 - No heat & humidity
0 - 102 mm of monthly rainfall
102 - 1 (Low) UV index
1 - 9°C sea temperature
9
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
The January weather guide for St Helier, Jersey 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.
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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 sunrise & sunset times for January 2021
Browse the sunrise & sunset times for St Helier in January 2021. Select a month to view St Helier sunrise & sunset times for the next twelve months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st January 2021 | 08:03 | 16:21 |
| Saturday, 16th January 2021 | 07:57 | 16:40 |
| Sunday, 31st January 2021 | 07:41 | 17:04 |
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Metric (°C / mm) | Imperial (°F / inches)
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