August
Weather in Saint Helier for August 2026
Your guide to Saint Helier weather in August - trends and predictions
The forecast for the next days in Saint Helier predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Saint Helier at the beginning of August is 19.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 18.4 °C by the end of August.
Saint Helier experiences moderate rainfall in August, with an average of 9 rainy days and a total precipitation of 62.7 mm.
Temperatures
Rain 🌧️
22
Dry days
9
Rainy days
0
Snow days
19°/16°
Temperatures
29 km/h
Avg max wind
78 %
Avg humidity
Saint Helier Weather August
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Temperatures trend during August in Saint Helier
See the weather trend as well as the moving average line
August weather in Saint Helier day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Partly cloudy | 18° /16° | 2.6 mm | 6 | |
| 2 Aug. |  Sunny | 22° /17° | 0 mm | 6.3 | |
| 3 Aug. | Sunny | 20° /18° | 0 mm | 6.1 | |
| 4 Aug. | Sunny | 20° /19° | 0.7 mm | 6.9 | |
| 5 Aug. | Sunny | 19° /18° | 0.1 mm | 6.3 | |
| 6 Aug. | Sunny | 18° /17° | 0.1 mm | 6.3 | |
| 7 Aug. | Sunny | 18° /17° | 0 mm | 5 | |
| 8 Aug. | Partly cloudy | 18° /17° | 0.6 mm | 5 | |
| 9 Aug. | Sunny | 18° /17° | 0 mm | 5 | |
| 10 Aug. | Sunny | 19° /17° | 0 mm | 5 | |
| 11 Aug. | Sunny | 22° /18° | 0 mm | 6 | |
| 12 Aug. | Sunny | 20° /18° | 0 mm | 5 | |
| 13 Aug. | Sunny | 21° /17° | 0 mm | 6 | |
| 14 Aug. | Sunny | 21° /18° | 0 mm | 6 | |
| 15 Aug. | Sunny | 21° /18° | 0 mm | 6 | |
| 16 Aug. | Partly cloudy | 20° /17° | 0.2 mm | 5 | |
| 17 Aug. |  Patchy rain possible | 20° /16° | 0.1 mm | 5 | |
| 18 Aug. | Patchy rain possible | 20° /16° | 2.2 mm | 5 | |
| 19 Aug. | Patchy rain possible | 20° /16° | 0.7 mm | 5 | |
| 20 Aug. | Light rain shower | 18° /16° | 4 mm | 4 | |
| 21 Aug. | Sunny | 18° /16° | 0.1 mm | 5 | |
| 22 Aug. | Partly cloudy | 19° /16° | 0.1 mm | 5 | |
| 23 Aug. | Sunny | 20° /16° | 0.7 mm | 5 | |
| 24 Aug. |  Moderate or heavy rain shower | 20° /16° | 17.1 mm | 5 | |
| 25 Aug. |  Cloudy | 19° /16° | 0.2 mm | 5 | |
| 26 Aug. | Light rain shower | 18° /16° | 1.5 mm | 4 | |
| 27 Aug. | Light rain shower | 19° /16° | 4.9 mm | 5 | |
| 28 Aug. | Light rain shower | 18° /16° | 1.9 mm | 4 | |
| 29 Aug. | Patchy rain possible | 18° /16° | 2.2 mm | 4 | |
| 30 Aug. | Patchy rain possible | 18° /16° | 1 mm | 4 | |
| 31 Aug. | Light rain shower | 19° /16° | 7.4 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Saint Helier in August 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.
Change Month
Saint Helier in August - FAQ
What are the expected maximum and minimum temperatures in Saint Helier during August?
During August, expect a variety of temperatures with highs around 19° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Helier during August?
Moderate rainfall is anticipated in Saint Helier during August, with a total of 62.7 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Saint Helier during August?
The average wind speed in Saint Helier during August is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Saint Helier
Explore the daily rainfall trends and prepare for Saint Heliers August weather 💧
Typically, Saint Helier has 9 rainy days in August with a total of 62.7 mm of rainfall.
UV exposure in Saint Helier during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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