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Weather in Swansea for June 2025

Your guide to Swansea weather in June - trends and predictions

    Official Weather Alert ⚠️

  • Gale Warning - See hour by hour.

    • Temperatures

  • Until now, June 2025 in Swansea has been significantly cooler than historical averages by -2 °C, with average temperature of 14.4 °C.

  • The forecast for the next days in Swansea predicts temperatures to be around 17 °C, close to the historical average.

  • In general, the average temperature in Swansea at the beginning of June is 16 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 15.7 °C by the end of June.

    • Rain 🌧️

  • The climate of Swansea in June is notably wet, with an average of 13 rainy days, and a total of 54.8 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/12°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Swansea Weather June

Move between months or click on a day
May
July
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
17°
2
Sunny
17°
3
Sunny
16°
4
Sunny
16°
5
Partly cloudy
15°
6
Patchy rain possible
15°
7
Light rain shower
16°
8
Partly cloudy
17°
9
Cloudy
16°
10
Patchy rain possible
16°
11
Patchy rain possible
17°
12
Moderate or heavy rain shower
17°
13
Overcast
18°
14
Partly cloudy
17°
15
Weather Alert Patchy rain possible
16°
16
Weather Alert Sunny
17°
17
Sunny
17°
18
Partly cloudy
20°
19
Sunny
22°
20
Sunny
21°
21
Patchy rain possible
19°
22
Partly cloudy
18°
23
Sunny
16°
24
Patchy rain possible
15°
25
Sunny
15°
26
Patchy rain possible
15°
27
Patchy rain possible
15°
28
Patchy rain possible
15°
29
Patchy rain possible
18°
30
Heavy rain at times
17°

Temperatures trend during June in Swansea

See the weather trend as well as the moving average line

June weather in Swansea day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
1 Jun. Sunny
Sunny
 17° /10° 0.6 mm 4
2 Jun. Sunny
Sunny
 17° /9° 0 mm 4
3 Jun. Sunny
Sunny
 16° /10° 3.1 mm 4
4 Jun. Sunny
Sunny
 16° /9° 1.6 mm 4
5 Jun. Partly cloudy
Partly cloudy
 15° /9° 4.1 mm 4
6 Jun. Patchy rain possible
Patchy rain possible
 15° /9° 1.1 mm 4
7 Jun. Light rain shower
Light rain shower
 16° /9° 3.7 mm 4
8 Jun. Partly cloudy
Partly cloudy
 17° /9° 0.7 mm 4
9 Jun. Cloudy
Cloudy
 16° /10° 0.1 mm 4
10 Jun. Patchy rain possible
Patchy rain possible
 16° /11° 2.8 mm 4
11 Jun. Patchy rain possible
Patchy rain possible
 17° /11° 0.3 mm 4
12 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /11° 16.3 mm 4
13 Jun. Overcast
Overcast
 18° /13° 3.3 mm 4
14 Jun. Partly cloudy
Partly cloudy
 17° /13° 4.3 mm 5
15 Jun. Patchy rain possible
Patchy rain possible
 16° /12° 0.9 mm 1.6
16 Jun. Sunny
Sunny
 17° /12° 0 mm 2.1
17 Jun. Sunny
Sunny
 17° /12° 0 mm 2.2
18 Jun. Partly cloudy
Partly cloudy
 20° /12° 0 mm 2.1
19 Jun. Sunny
Sunny
 22° /14° 0 mm 2.1
20 Jun. Sunny
Sunny
 21° /15° 0.1 mm 5
21 Jun. Patchy rain possible
Patchy rain possible
 19° /12° 0 mm 4
22 Jun. Partly cloudy
Partly cloudy
 18° /12° 0 mm 5
23 Jun. Sunny
Sunny
 16° /12° 0 mm 4
24 Jun. Patchy rain possible
Patchy rain possible
 15° /11° 1.4 mm 3
25 Jun. Sunny
Sunny
 15° /9° 0 mm 4
26 Jun. Patchy rain possible
Patchy rain possible
 15° /11° 1.2 mm 3
27 Jun. Patchy rain possible
Patchy rain possible
 15° /11° 2.7 mm 3
28 Jun. Patchy rain possible
Patchy rain possible
 15° /10° 0.5 mm 3
29 Jun. Patchy rain possible
Patchy rain possible
 18° /12° 0.2 mm 5
30 Jun. Heavy rain at times
Heavy rain at times
 17° /12° 4.2 mm 5
Next
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.
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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 54.8 mm spread over approximately 13 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 22 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 💧

UV exposure in Swansea during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️

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Location coordinates Where is Swansea?

Get accurate weather forecasts for Swansea, located at latitude 51.621 and longitude -3.943. Stay updated with localized weather information tailored for Swansea.

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