Swansea
July
Weather in Swansea for July 2025
Your guide to Swansea weather in July - trends and predictions
High Temperature Warning - See hour by hour.
So far, July 2025 in Swansea is slightly warmer than the historical average by 0.7 °C.
In general, the average temperature in Swansea at the beginning of July is 16.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.4 °C by the end of July.
Swansea experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 140.6 mm.
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Temperatures
Rain 🌧️
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4
Dry days
27
Rainy days
0
Snow days
17°/13°
Temperatures
26 km/h
Avg max wind
81 %
Avg humidity
Swansea Weather July
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Temperatures trend during July in Swansea
See the weather trend as well as the moving average line
July weather in Swansea day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Patchy rain possible | 18° /13° | 1.1 mm | 4 | |
| 2 Jul. | Patchy rain possible | 16° /11° | 0.2 mm | 4 | |
| 3 Jul. |  Moderate rain at times | 16° /11° | 1.4 mm | 4 | |
| 4 Jul. | Moderate or heavy rain shower | 16° /11° | 3.6 mm | 4 | |
| 5 Jul. | Patchy rain possible | 16° /12° | 4.1 mm | 4 | |
| 6 Jul. | Light rain shower | 16° /12° | 5 mm | 4 | |
| 7 Jul. |  Partly cloudy | 18° /12° | 1.7 mm | 5 | |
| 8 Jul. | Patchy rain possible | 17° /12° | 5.8 mm | 4 | |
| 9 Jul. | Patchy rain possible | 19° /13° | 3.8 mm | 4 | |
| 10 Jul. | Moderate or heavy rain shower | 19° /13° | 6.2 mm | 5 | |
| 11 Jul. |  Heavy rain at times | 19° /14° | 2.7 mm | 5 | |
| 12 Jul. | Moderate rain at times | 19° /14° | 3 mm | 5 | |
| 13 Jul. | Patchy rain possible | 18° /13° | 1.5 mm | 4 | |
| 14 Jul. | Moderate or heavy rain shower | 17° /12° | 8.8 mm | 4 | |
| 15 Jul. | Light rain shower | 16° /13° | 13.5 mm | 4 | |
| 16 Jul. | Patchy rain possible | 17° /13° | 2.7 mm | 4 | |
| 17 Jul. | Patchy rain possible | 18° /14° | 1.2 mm | 4 | |
| 18 Jul. | Moderate or heavy rain shower | 18° /14° | 2.7 mm | 4 | |
| 19 Jul. |  Cloudy | 19° /14° | 1.8 mm | 4 | |
| 20 Jul. | Light rain shower | 18° /13° | 7.3 mm | 4 | |
| 21 Jul. | Patchy rain possible | 17° /12° | 1 mm | 4 | |
| 22 Jul. | Patchy rain possible | 17° /14° | 11.1 mm | 4 | |
| 23 Jul. | Patchy rain possible | 18° /14° | 2.3 mm | 4 | |
| 24 Jul. | Moderate rain at times | 18° /12° | 2.5 mm | 5 | |
| 25 Jul. |  Overcast | 18° /12° | 0.7 mm | 4 | |
| 26 Jul. | Moderate or heavy rain shower | 17° /12° | 8 mm | 4 | |
| 27 Jul. | Patchy rain possible | 17° /14° | 1.9 mm | 4 | |
| 28 Jul. | Patchy rain possible | 18° /14° | 0.7 mm | 4 | |
| 29 Jul. | Patchy rain possible | 19° /14° | 2.3 mm | 5 | |
| 30 Jul. | Heavy rain at times | 19° /14° | 5.2 mm | 5 | |
| 31 Jul. | Patchy rain possible | 21° /13° | 2.8 mm | 1.5 | |
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Important Notice
Our weather forecast for Swansea 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 Swansea forecast closer to your planned date for the most up-to-date weather information.
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Swansea in July - FAQ
What are the expected maximum and minimum temperatures in Swansea during July?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Swansea during July?
Significant rainfall exceeding 140.6 mm is expected in Swansea during July, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Swansea during July?
The average wind speed in Swansea during July is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Swansea
Explore the daily rainfall trends and prepare for Swanseas July weather 💧
UV exposure in Swansea during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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