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St Helier weather in July 2025
Expect 20°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Helier in July. Check more long-term weather averages for St Helier in July before you book your next holiday to Jersey in 2025/2026.
- 2020°C max day temperature
- 8 hours of sunshine per day
- 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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St Helier by month
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Recommended for Jersey
The July 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 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.
St Helier July sunrise & sunset times
Browse the sunrise and sunset times for St Helier in July 2025. Select a month to view St Helier sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Tuesday, 1st July 2025 | 04:08 | 20:17 |
Wednesday, 16th July 2025 | 04:21 | 20:07 |
Thursday, 31st July 2025 | 04:40 | 19:49 |
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