July
Weather in Saint Helier for July 2025
Your guide to Saint Helier weather in July - trends and predictions
In general, the average temperature in Saint Helier at the beginning of July is 17.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 19 °C by the end of July.
Saint Helier experiences an exceptionally high level of rainfall in July, with more than 20 rainy days on average.
Is July a good time to visit Saint Helier? check out the best time to travel to Saint Helier page.
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8
Dry days
23
Rainy days
0
Snow days
18°/16°
Temperatures
32 km/h
Avg max wind
81 %
Avg humidity
Saint Helier in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2 16° | 3  17° | 4 17° | 5 17° | 6 18° | |
| 7 20° | 8  19° | 9 18° | 10  19° | 11 17° | 12 16° | 13 17° |
| 14 19° | 15 18° | 16 17° | 17 17° | 18 19° | 19 19° | 20  18° |
| 21 17° | 22 18° | 23 17° | 24  17° | 25 18° | 26 18° | 27 18° |
| 28 19° | 29 20° | 30 20° | 31 20° |
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Temperatures trend during July in Saint Helier
See the weather trend as well as the moving average line
July weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. | Patchy rain possible | 17° /15° | 1.2 mm | 4 | |
| 2 Jul. | Patchy rain possible | 16° /14° | 0.2 mm | 4 | |
| 3 Jul. | Overcast | 17° /14° | 0.3 mm | 4 | |
| 4 Jul. | Patchy rain possible | 17° /14° | 2.4 mm | 4 | |
| 5 Jul. | Patchy rain possible | 17° /14° | 0.3 mm | 4 | |
| 6 Jul. | Patchy rain possible | 18° /14° | 3.6 mm | 4 | |
| 7 Jul. | Overcast | 20° /14° | 0.6 mm | 5 | |
| 8 Jul. | Moderate rain at times | 19° /15° | 5.6 mm | 5 | |
| 9 Jul. | Patchy rain possible | 18° /16° | 6.1 mm | 4 | |
| 10 Jul. | Cloudy | 19° /16° | 0.1 mm | 5 | |
| 11 Jul. | Patchy rain possible | 17° /15° | 13.1 mm | 4 | |
| 12 Jul. | Patchy rain possible | 16° /14° | 2.9 mm | 4 | |
| 13 Jul. | Patchy rain possible | 17° /15° | 0.1 mm | 5 | |
| 14 Jul. | Moderate or heavy rain shower | 19° /15° | 5.8 mm | 5 | |
| 15 Jul. | Patchy rain possible | 18° /15° | 10.2 mm | 4 | |
| 16 Jul. | Patchy rain possible | 17° /15° | 1.2 mm | 4 | |
| 17 Jul. | Patchy rain possible | 17° /15° | 0.6 mm | 5 | |
| 18 Jul. | Patchy rain possible | 19° /16° | 0.1 mm | 5 | |
| 19 Jul. | Patchy rain possible | 19° /16° | 1.9 mm | 5 | |
| 20 Jul. | Partly cloudy | 18° /15° | 3.2 mm | 5 | |
| 21 Jul. | Patchy rain possible | 17° /15° | 0.4 mm | 4 | |
| 22 Jul. | Patchy rain possible | 18° /15° | 0.6 mm | 4 | |
| 23 Jul. | Patchy rain possible | 17° /16° | 1.6 mm | 4 | |
| 24 Jul. | Heavy rain at times | 17° /15° | 6.3 mm | 5 | |
| 25 Jul. | Patchy rain possible | 18° /15° | 7 mm | 4 | |
| 26 Jul. | Overcast | 18° /15° | 0.7 mm | 4 | |
| 27 Jul. | Moderate or heavy rain shower | 18° /16° | 6.4 mm | 4 | |
| 28 Jul. | Patchy rain possible | 19° /16° | 0.8 mm | 4 | |
| 29 Jul. | Patchy rain possible | 20° /16° | 0.9 mm | 5 | |
| 30 Jul. | Patchy rain possible | 20° /17° | 3.7 mm | 5 | |
| 31 Jul. | Moderate or heavy rain shower | 20° /17° | 9 mm | 5 | |
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Important Notice
Our weather forecast for Saint 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 Saint Helier forecast closer to your planned date for the most up-to-date weather information.
Saint Helier in July - FAQ
What are the expected maximum and minimum temperatures in Saint Helier during July?
During July, expect a variety of temperatures with highs around 18° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Helier during July?
Moderate rainfall is anticipated in Saint Helier during July, with a total of 92.2 mm spread over approximately 23 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Saint Helier during July?
The average wind speed in Saint Helier during July is 32 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Saint Helier in July?
As you prepare for your trip to Saint Helier in July, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Saint Helier, during July, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Umbrellas/Raincoats: For rainy days
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