Swansea
July
Weather in Swansea for July 2025
Your guide to Swansea weather in July - trends and predictions
In general, the average temperature in Swansea at the beginning of July is 16.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.3 °C by the end of July.
Swansea experiences an exceptionally high level of rainfall in July, with more than 24 rainy days on average.
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4
Dry days
27
Rainy days
0
Snow days
18°/13°
Temperatures
30 km/h
Avg max wind
81 %
Avg humidity
Swansea in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  16° | 3  16° | 4 15° | 5 15° | 6 16° | |
| 7  19° | 8 17° | 9 18° | 10 17° | 11  17° | 12 17° | 13 16° |
| 14 17° | 15 16° | 16 17° | 17 18° | 18 18° | 19  18° | 20 18° |
| 21 17° | 22 17° | 23 18° | 24 17° | 25 18° | 26 17° | 27 17° |
| 28 18° | 29 19° | 30 19° | 31 20° |
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Temperatures trend during July in Swansea
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° /12° | 1.7 mm | 4 | |
| 2 Jul. | Overcast | 16° /10° | 0.2 mm | 4 | |
| 3 Jul. | Moderate rain at times | 16° /11° | 2 mm | 4 | |
| 4 Jul. | Moderate or heavy rain shower | 15° /11° | 5.3 mm | 4 | |
| 5 Jul. | Patchy rain possible | 15° /11° | 2.5 mm | 4 | |
| 6 Jul. | Patchy rain possible | 16° /12° | 6.8 mm | 4 | |
| 7 Jul. | Partly cloudy | 19° /12° | 2.4 mm | 5 | |
| 8 Jul. | Patchy rain possible | 17° /12° | 8.7 mm | 4 | |
| 9 Jul. | Moderate or heavy rain shower | 18° /13° | 5.7 mm | 4 | |
| 10 Jul. | Moderate or heavy rain shower | 17° /13° | 9.2 mm | 4 | |
| 11 Jul. | Heavy rain at times | 17° /13° | 4 mm | 4 | |
| 12 Jul. | Moderate rain at times | 17° /12° | 4.5 mm | 4 | |
| 13 Jul. | Patchy rain possible | 16° /12° | 2.1 mm | 4 | |
| 14 Jul. | Moderate or heavy rain shower | 17° /12° | 11.4 mm | 5 | |
| 15 Jul. | Moderate or heavy rain shower | 16° /13° | 10.9 mm | 4 | |
| 16 Jul. | Moderate rain at times | 17° /13° | 3.7 mm | 4 | |
| 17 Jul. | Patchy rain possible | 18° /13° | 1.4 mm | 4 | |
| 18 Jul. | Moderate or heavy rain shower | 18° /13° | 4 mm | 4 | |
| 19 Jul. | Cloudy | 18° /14° | 0.1 mm | 4 | |
| 20 Jul. | Patchy rain possible | 18° /13° | 5.6 mm | 4 | |
| 21 Jul. | Patchy rain possible | 17° /12° | 0.5 mm | 4 | |
| 22 Jul. | Moderate or heavy rain shower | 17° /14° | 16 mm | 4 | |
| 23 Jul. | Patchy rain possible | 18° /14° | 2.6 mm | 4 | |
| 24 Jul. | Moderate rain at times | 17° /12° | 3.8 mm | 4 | |
| 25 Jul. | Overcast | 18° /13° | 0.9 mm | 4 | |
| 26 Jul. | Moderate or heavy rain shower | 17° /12° | 11.5 mm | 4 | |
| 27 Jul. | Patchy rain possible | 17° /14° | 2.4 mm | 4 | |
| 28 Jul. | Patchy rain possible | 18° /14° | 0.9 mm | 4 | |
| 29 Jul. | Patchy rain possible | 19° /14° | 2 mm | 5 | |
| 30 Jul. | Heavy rain at times | 19° /14° | 5.2 mm | 5 | |
| 31 Jul. | Moderate rain at times | 20° /15° | 2.4 mm | 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.
Swansea in July - FAQ
What are the expected maximum and minimum temperatures in Swansea during July?
Enjoy moderate daytime temperatures of up to 18° 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 198.5 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 30 km/h, suggesting breezy to windy conditions, depending on your activities.
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