July
Weather in St Helier for July 2027
Your guide to St Helier weather in July - trends and predictions
In general, the average temperature in St Helier at the beginning of July is 17.5 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.8 °C by the end of July.
St Helier experiences moderate rainfall in July, with an average of 10 rainy days and a total precipitation of 58.7 mm.
Is July a good time to visit St Helier? check out the best time to travel to St Helier page.
Temperatures
Rain 🌧️
More
21
Dry days
10
Rainy days
0
Snow days
19°/16°
Temperatures
30 km/h
Avg max wind
81 %
Avg humidity
St Helier Weather July
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Temperatures trend during July in St Helier
See the weather trend as well as the moving average line
July weather in St Helier day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Patchy rain possible | 17° /15° | 0.9 mm | 5 | |
| 2 Jul. | Patchy rain possible | 17° /15° | 0.4 mm | 5 | |
| 3 Jul. |  Sunny | 17° /15° | 0.2 mm | 6 | |
| 4 Jul. | Patchy rain possible | 17° /15° | 1.3 mm | 6 | |
| 5 Jul. | Patchy rain possible | 17° /16° | 0.4 mm | 6 | |
| 6 Jul. |  Light rain | 19° /15° | 2.6 mm | 6 | |
| 7 Jul. | Patchy rain possible | 19° /15° | 0.5 mm | 6 | |
| 8 Jul. | Light rain | 19° /16° | 2.8 mm | 6 | |
| 9 Jul. | Light rain | 20° /17° | 3.1 mm | 5 | |
| 10 Jul. |  Cloudy | 21° /17° | 0 mm | 6 | |
| 11 Jul. | Light rain | 20° /17° | 6.5 mm | 6 | |
| 12 Jul. | Patchy rain possible | 19° /16° | 1.4 mm | 6 | |
| 13 Jul. | Patchy rain possible | 19° /16° | 0.8 mm | 6 | |
| 14 Jul. | Light rain | 19° /16° | 3 mm | 6 | |
| 15 Jul. | Light rain | 19° /16° | 6.9 mm | 5 | |
| 16 Jul. | Patchy rain possible | 19° /16° | 0.9 mm | 5 | |
| 17 Jul. |  Partly cloudy | 19° /16° | 0.3 mm | 6 | |
| 18 Jul. | Patchy rain possible | 19° /17° | 0 mm | 6 | |
| 19 Jul. | Patchy rain possible | 19° /17° | 1.1 mm | 6 | |
| 20 Jul. | Light rain | 18° /16° | 3.5 mm | 6 | |
| 21 Jul. | Patchy rain possible | 18° /16° | 1.7 mm | 5 | |
| 22 Jul. | Patchy rain possible | 18° /16° | 0.5 mm | 5 | |
| 23 Jul. | Patchy rain possible | 18° /16° | 1.1 mm | 5 | |
| 24 Jul. | Light rain | 19° /16° | 3.4 mm | 6 | |
| 25 Jul. | Light rain | 18° /16° | 3.5 mm | 5 | |
| 26 Jul. | Patchy rain possible | 18° /16° | 0.8 mm | 5 | |
| 27 Jul. | Light rain | 18° /16° | 3.2 mm | 5 | |
| 28 Jul. | Patchy rain possible | 20° /17° | 0.4 mm | 5 | |
| 29 Jul. | Sunny | 20° /17° | 0.7 mm | 6 | |
| 30 Jul. | Patchy rain possible | 20° /17° | 2 mm | 5 | |
| 31 Jul. | Light rain | 19° /17° | 4.8 mm | 5 | |
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Important Notice
Our weather forecast for St Helier in July 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 July - FAQ
What are the expected maximum and minimum temperatures in St Helier during July?
During July, 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 St Helier during July?
Moderate rainfall is anticipated in St Helier during July, with a total of 58.7 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in St Helier during July?
The average wind speed in St Helier during July is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in St Helier
Explore the daily rainfall trends and prepare for St Heliers July weather 💧
Typically, St Helier has 10 rainy days in July with a total of 58.7 mm of rainfall.
UV exposure in St Helier during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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