June
Weather in St Helier for June 2025
Your guide to St Helier weather in June - trends and predictions
Until now, June 2025 in St Helier is slightly cooler than the historical average by -0.9 °C.
The forecast for the upcoming days in St Helier predicts a temperature of 18.9 °C, which is slightly above the historical average.
In general, the average temperature in St Helier at the beginning of June is 15.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.3 °C by the end of June.
St Helier experiences moderate rainfall in June, with an average of 10 rainy days and a total precipitation of 30.5 mm.
Temperatures
Rain 🌧️
20
Dry days
10
Rainy days
0
Snow days
17°/14°
Temperatures
27 km/h
Avg max wind
81 %
Avg humidity
St Helier Weather June
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Temperatures trend during June in St Helier
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June weather in St Helier day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Partly cloudy | 15° /12° | 0 mm | 4 | |
| 2 Jun. | Partly cloudy | 14° /12° | 0 mm | 4 | |
| 3 Jun. |  Overcast | 16° /12° | 0.4 mm | 4 | |
| 4 Jun. |  Sunny | 16° /13° | 0.5 mm | 4 | |
| 5 Jun. | Partly cloudy | 15° /12° | 2.5 mm | 4 | |
| 6 Jun. | Partly cloudy | 15° /12° | 0.5 mm | 4 | |
| 7 Jun. | Partly cloudy | 15° /12° | 1.4 mm | 4 | |
| 8 Jun. | Overcast | 16° /13° | 0.1 mm | 4 | |
| 9 Jun. |  Patchy rain possible | 16° /13° | 0.1 mm | 4 | |
| 10 Jun. |  Moderate rain at times | 16° /13° | 1.9 mm | 4 | |
| 11 Jun. | Patchy rain possible | 17° /13° | 1.2 mm | 4 | |
| 12 Jun. | Partly cloudy | 17° /13° | 2.8 mm | 4 | |
| 13 Jun. |  Cloudy | 17° /14° | 2.9 mm | 4 | |
| 14 Jun. | Sunny | 17° /14° | 1.7 mm | 4 | |
| 15 Jun. | Sunny | 17° /13° | 1.9 mm | 5 | |
| 16 Jun. | Partly cloudy | 18° /13° | 0.8 mm | 5 | |
| 17 Jun. | Sunny | 17° /15° | 0 mm | 2.4 | |
| 18 Jun. | Sunny | 17° /15° | 0 mm | 2.4 | |
| 19 Jun. | Sunny | 20° /15° | 0 mm | 2.1 | |
| 20 Jun. | Sunny | 21° /17° | 0 mm | 2 | |
| 21 Jun. | Sunny | 23° /18° | 0.1 mm | 5 | |
| 22 Jun. | Patchy rain possible | 17° /16° | 1.6 mm | 4 | |
| 23 Jun. | Patchy rain possible | 19° /17° | 2.2 mm | 4 | |
| 24 Jun. | Sunny | 20° /17° | 0 mm | 5 | |
| 25 Jun. | Patchy rain possible | 21° /18° | 1.5 mm | 4 | |
| 26 Jun. | Patchy rain possible | 19° /16° | 0.1 mm | 4 | |
| 27 Jun. | Patchy rain possible | 17° /16° | 0.9 mm | 4 | |
| 28 Jun. | Sunny | 17° /16° | 0 mm | 5 | |
| 29 Jun. | Sunny | 18° /16° | 0 mm | 5 | |
| 30 Jun. | Moderate rain at times | 16° /14° | 2.1 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for St Helier in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St Helier forecast closer to your planned date for the most up-to-date weather information.
Change Month
St Helier in June - FAQ
What are the expected maximum and minimum temperatures in St Helier during June?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in St Helier during June?
In June, St Helier can expect light to moderate rainfall, totaling 30.5 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in St Helier during June?
The average wind speed in St Helier during June is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in St Helier
Explore the daily rainfall trends and prepare for St Heliers June weather 💧
UV exposure in St Helier during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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