Weather in Guernsey for July 2025
In general, the average temperature in Guernsey at the beginning of July is 16.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.3 °C by the end of July.
Guernsey in July brings notable rainfall, with an average of 16 rainy days and a total precipitation of 84.4 mm.
Is July a good time to visit Guernsey? check out the best time to travel to Guernsey page.
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Guernsey in July average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2 16° | 3 16° | 4  16° | 5  17° | 6 17° | |
| 7  18° | 8 18° | 9  17° | 10 18° | 11 17° | 12  16° | 13 17° |
| 14 18° | 15 16° | 16 17° | 17 17° | 18 18° | 19 18° | 20 18° |
| 21 18° | 22 17° | 23 18° | 24 17° | 25 18° | 26 18° | 27 18° |
| 28 19° | 29 18° | 30 19° | 31 18° |
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Temperatures trend during July in Guernsey
July weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. | Overcast | 16° /15° | 0.4 mm | 4 | |
| 2 Jul. | Overcast | 16° /14° | 0 mm | 5 | |
| 3 Jul. | Overcast | 16° /14° | 0.3 mm | 4 | |
| 4 Jul. | Moderate rain at times | 16° /14° | 2.1 mm | 4 | |
| 5 Jul. | Cloudy | 17° /15° | 0.2 mm | 4 | |
| 6 Jul. | Cloudy | 17° /14° | 3.4 mm | 4 | |
| 7 Jul. | Sunny | 18° /14° | 1.5 mm | 5 | |
| 8 Jul. | Moderate rain at times | 18° /14° | 4.6 mm | 4 | |
| 9 Jul. | Patchy rain possible | 17° /15° | 5.7 mm | 4 | |
| 10 Jul. | Overcast | 18° /15° | 0.1 mm | 4 | |
| 11 Jul. | Patchy rain possible | 17° /14° | 10.3 mm | 4 | |
| 12 Jul. | Partly cloudy | 16° /14° | 4.2 mm | 5 | |
| 13 Jul. | Patchy rain possible | 17° /14° | 0.8 mm | 4 | |
| 14 Jul. | Moderate or heavy rain shower | 18° /15° | 6 mm | 4 | |
| 15 Jul. | Patchy rain possible | 16° /14° | 9 mm | 4 | |
| 16 Jul. | Patchy rain possible | 17° /15° | 0.8 mm | 4 | |
| 17 Jul. | Overcast | 17° /15° | 0.1 mm | 4 | |
| 18 Jul. | Partly cloudy | 18° /16° | 0 mm | 5 | |
| 19 Jul. | Patchy rain possible | 18° /16° | 0.1 mm | 5 | |
| 20 Jul. | Overcast | 18° /15° | 5.3 mm | 4 | |
| 21 Jul. | Sunny | 18° /15° | 0.3 mm | 5 | |
| 22 Jul. | Moderate rain at times | 17° /15° | 2.1 mm | 4 | |
| 23 Jul. | Overcast | 18° /16° | 0.6 mm | 4 | |
| 24 Jul. | Patchy rain possible | 17° /15° | 1.1 mm | 4 | |
| 25 Jul. | Patchy rain possible | 18° /15° | 6 mm | 4 | |
| 26 Jul. | Cloudy | 18° /15° | 0.6 mm | 5 | |
| 27 Jul. | Moderate or heavy rain shower | 18° /16° | 7.1 mm | 4 | |
| 28 Jul. | Overcast | 19° /16° | 0.2 mm | 4 | |
| 29 Jul. | Patchy rain possible | 18° /16° | 0.2 mm | 5 | |
| 30 Jul. | Patchy rain possible | 19° /16° | 2.6 mm | 5 | |
| 31 Jul. | Moderate or heavy rain shower | 18° /16° | 8.7 mm | 4 | |
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Guide for Guernsey in July
In Guernsey, July typically experiences mild and pleasant weather, making it an ideal time to visit this beautiful island. At the beginning of the month, the weather in Guernsey is characterized by comfortable temperatures and relatively low precipitation.
The average temperature at the start of July is around 18°, with occasional light showers. The island enjoys long daylight hours, providing ample opportunities for outdoor activities and exploration.
As the month progresses, the weather in Guernsey tends to become warmer and more stable. By the end of July, the average temperature rises to around 21°, creating perfect conditions for beach outings and outdoor dining.
The sea temperature also becomes inviting for swimming and water sports, making it an excellent time to enjoy the island's stunning coastline.
Overall, July in Guernsey offers a delightful blend of sunshine, gentle sea breezes, and comfortable temperatures, making it an ideal destination for a summer getaway.
Visitors can expect to experience the island's natural beauty and outdoor attractions in favorable weather conditions throughout the month.
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Guernsey in July - FAQ
What to pack to Guernsey in July?
As you prepare for your trip to Guernsey 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 Guernsey, 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
July rainfall patterns in Guernsey
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Where is Guernsey?Get accurate weather forecasts for Guernsey, located at latitude 49.46 and longitude -2.535. Stay updated with localized weather information tailored for Guernsey.