Swansea
June
Weather in Swansea for June 2026
Your guide to Swansea weather in June - trends and predictions
Until now, June 2026 in Swansea is slightly cooler than the historical average by -1.9 °C.
The forecast for the upcoming days in Swansea predicts a temperature of 19.4 °C, which is slightly above the historical average.
In general, the average temperature in Swansea at the beginning of June is 15.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.1 °C by the end of June.
Swansea experiences heavy rainfall in June, with over 20 rainy days and an average total precipitation 68.6 mm.
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Temperatures
Rain 🌧️
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9
Dry days
21
Rainy days
0
Snow days
17°/12°
Temperatures
24 km/h
Avg max wind
82 %
Avg humidity
Swansea Weather June
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Temperatures trend during June in Swansea
See the weather trend as well as the moving average line
June weather in Swansea day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Sunny | 16° /10° | 4.4 mm | 4 | |
| 2 Jun. | Sunny | 16° /10° | 2.3 mm | 4 | |
| 3 Jun. | Sunny | 15° /10° | 4.4 mm | 4 | |
| 4 Jun. | Sunny | 16° /10° | 3.3 mm | 4 | |
| 5 Jun. |  Patchy rain possible | 15° /9° | 3.5 mm | 4 | |
| 6 Jun. | Patchy rain possible | 15° /9° | 3.8 mm | 3 | |
| 7 Jun. | Light rain shower | 16° /9° | 4.8 mm | 4 | |
| 8 Jun. |  Partly cloudy | 16° /10° | 1.9 mm | 4 | |
| 9 Jun. |  Cloudy | 16° /10° | 1.7 mm | 4 | |
| 10 Jun. | Patchy rain possible | 16° /11° | 2.6 mm | 4 | |
| 11 Jun. | Patchy rain possible | 17° /11° | 2.6 mm | 3 | |
| 12 Jun. | Patchy rain possible | 16° /11° | 12.6 mm | 4 | |
| 13 Jun. | Sunny | 16° /9° | 0 mm | 7.2 | |
| 14 Jun. | Sunny | 18° /10° | 0 mm | 7.1 | |
| 15 Jun. | Partly cloudy | 18° /12° | 0 mm | 5.1 | |
| 16 Jun. | Patchy rain possible | 17° /13° | 0.6 mm | 6.8 | |
| 17 Jun. | Patchy rain possible | 15° /14° | 4.6 mm | 1.7 | |
| 18 Jun. | Patchy rain possible | 18° /15° | 0.2 mm | 4 | |
| 19 Jun. | Patchy rain possible | 16° /13° | 1.4 mm | 3 | |
| 20 Jun. | Sunny | 18° /10° | 0 mm | 4 | |
| 21 Jun. | Partly cloudy | 22° /12° | 0 mm | 5 | |
| 22 Jun. | Patchy rain possible | 24° /15° | 1.8 mm | 4 | |
| 23 Jun. | Sunny | 25° /16° | 0 mm | 6 | |
| 24 Jun. | Sunny | 25° /19° | 0 mm | 6 | |
| 25 Jun. | Patchy rain possible | 22° /16° | 0 mm | 4 | |
| 26 Jun. | Patchy rain possible | 17° /12° | 0.1 mm | 4 | |
| 27 Jun. |  Moderate rain at times | 17° /13° | 1.9 mm | 4 | |
| 28 Jun. | Patchy rain possible | 17° /13° | 1.1 mm | 4 | |
| 29 Jun. | Patchy rain possible | 18° /13° | 0.2 mm | 4 | |
| 30 Jun. |  Heavy rain at times | 18° /13° | 2.8 mm | 5 | |
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Important Notice
Our weather forecast for Swansea in June 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.
Change Month
Swansea in June - FAQ
What are the expected maximum and minimum temperatures in Swansea during June?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Swansea during June?
Moderate rainfall is anticipated in Swansea during June, with a total of 68.6 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Swansea during June?
The average wind speed in Swansea during June is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Swansea
Explore the daily rainfall trends and prepare for Swanseas June weather 💧
Typically, Swansea has 21 rainy days in June with a total of 68.6 mm of rainfall.
UV exposure in Swansea during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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