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St Helier weather in July 2021
- 2020°C max day temperature
- 1010 days with some rainfall
- 1414°C min night temperature
- 1616 hours of daylight per day
- 0No heat & humidity
- 4242 mm of monthly rainfall
- 77 (High) UV index
- 1717°C sea temperature
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The July 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.
How hot is it in St Helier in July?
Daytime temperatures usually reach 20°C in St Helier in July, falling to 14°C at night.
How sunny is it in St Helier in July?
There are normally 8 hours of bright sunshine each day in St Helier in July - that's 53% of daylight hours.
How warm is the sea around St Helier in July?
The average sea temperature around St Helier in July is 17°C.
Does it rain in St Helier in July?
There are usually 10 days with some rain in St Helier in July and the average monthly rainfall is 42mm.
Metric (°C / mm) | Imperial (°F / inches)
St Helier sunrise & sunset times for July 2021
Browse the sunrise & sunset times for St Helier in July 2021. Select a month to view St Helier sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Thursday, 1st July 2021||05:08||21:17|
|Friday, 16th July 2021||05:21||21:08|
|Saturday, 31st July 2021||05:39||20:49|
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