October
Weather in Saint Helier for October 2025
Your guide to Saint Helier weather in October - trends and predictions
In general, the average temperature in Saint Helier at the beginning of October is 16.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 14.9 °C by the end of October.
Saint Helier experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 116.8 mm.
Temperatures
Rain 🌧️
9
Dry days
22
Rainy days
0
Snow days
16°/14°
Temperatures
37 km/h
Avg max wind
76 %
Avg humidity
Saint Helier in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  18° | 3 17° | 4 16° | 5  16° | ||
| 6  17° | 7 17° | 8 18° | 9 17° | 10 16° | 11 17° | 12 17° |
| 13 17° | 14  15° | 15 15° | 16 16° | 17 16° | 18  16° | 19 16° |
| 20 16° | 21 15° | 22 17° | 23 15° | 24 16° | 25 14° | 26 14° |
| 27 15° | 28  15° | 29 15° | 30 16° | 31 15° |
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Temperatures trend during October in Saint Helier
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Partly cloudy | 17° /15° | 0.8 mm | 5 | |
| 2 Oct. | Patchy rain possible | 18° /16° | 1 mm | 5 | |
| 3 Oct. | Patchy rain possible | 17° /14° | 0.6 mm | 4 | |
| 4 Oct. | Patchy rain possible | 16° /13° | 0.2 mm | 4 | |
| 5 Oct. | Overcast | 16° /14° | 4.9 mm | 4 | |
| 6 Oct. | Sunny | 17° /14° | 1.1 mm | 5 | |
| 7 Oct. | Sunny | 17° /15° | 3.3 mm | 5 | |
| 8 Oct. | Sunny | 18° /16° | 1.7 mm | 5 | |
| 9 Oct. | Partly cloudy | 17° /15° | 0.6 mm | 5 | |
| 10 Oct. | Sunny | 16° /14° | 0.9 mm | 4 | |
| 11 Oct. | Partly cloudy | 17° /14° | 0.5 mm | 4 | |
| 12 Oct. | Light rain shower | 17° /15° | 1.3 mm | 5 | |
| 13 Oct. | Light rain shower | 17° /14° | 9 mm | 4 | |
| 14 Oct. | Patchy light drizzle | 15° /13° | 0.4 mm | 4 | |
| 15 Oct. | Patchy rain possible | 15° /13° | 0.8 mm | 4 | |
| 16 Oct. | Overcast | 16° /13° | 5.2 mm | 4 | |
| 17 Oct. | Overcast | 16° /12° | 0.7 mm | 4 | |
| 18 Oct. | Moderate rain | 16° /15° | 10.7 mm | 4 | |
| 19 Oct. | Light rain shower | 16° /14° | 8.2 mm | 4 | |
| 20 Oct. | Light rain shower | 16° /14° | 5 mm | 4 | |
| 21 Oct. | Light rain shower | 15° /12° | 12.7 mm | 4 | |
| 22 Oct. | Patchy rain possible | 17° /14° | 1 mm | 5 | |
| 23 Oct. | Light rain shower | 15° /12° | 8.7 mm | 5 | |
| 24 Oct. | Light rain shower | 16° /12° | 5.5 mm | 4 | |
| 25 Oct. | Light rain shower | 14° /12° | 6.5 mm | 3 | |
| 26 Oct. | Light rain shower | 14° /12° | 5.7 mm | 4 | |
| 27 Oct. | Light rain shower | 15° /12° | 5 mm | 4 | |
| 28 Oct. | Moderate or heavy rain with thunder | 15° /13° | 4.9 mm | 4 | |
| 29 Oct. | Light rain shower | 15° /13° | 3.3 mm | 4 | |
| 30 Oct. | Light rain shower | 16° /13° | 3.3 mm | 5 | |
| 31 Oct. | Light rain shower | 15° /13° | 3.2 mm | 5 | |
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Important Notice
Our weather forecast for Saint Helier in October 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 Saint Helier forecast closer to your planned date for the most up-to-date weather information.
Saint Helier in October - FAQ
What are the expected maximum and minimum temperatures in Saint Helier during October?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint Helier during October?
Significant rainfall exceeding 116.8 mm is expected in Saint Helier during October, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Helier during October?
The average wind speed in Saint Helier during October is 37 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Saint Helier
Explore the daily rainfall trends and prepare for Saint Heliers October weather 💧
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