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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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Average dry days
4
Dry days
Average rainy days
27
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/13°
Temperatures
Average wind speed
30 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Swansea in July average weather

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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
Patchy rain possible
17° /12° 1.7 mm 4
2 Jul. Overcast
Overcast
16° /10° 0.2 mm 4
3 Jul. Moderate rain at times
Moderate rain at times
16° /11° 2 mm 4
4 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
15° /11° 5.3 mm 4
5 Jul. Patchy rain possible
Patchy rain possible
15° /11° 2.5 mm 4
6 Jul. Patchy rain possible
Patchy rain possible
16° /12° 6.8 mm 4
7 Jul. Partly cloudy
Partly cloudy
19° /12° 2.4 mm 5
8 Jul. Patchy rain possible
Patchy rain possible
17° /12° 8.7 mm 4
9 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
18° /13° 5.7 mm 4
10 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /13° 9.2 mm 4
11 Jul. Heavy rain at times
Heavy rain at times
17° /13° 4 mm 4
12 Jul. Moderate rain at times
Moderate rain at times
17° /12° 4.5 mm 4
13 Jul. Patchy rain possible
Patchy rain possible
16° /12° 2.1 mm 4
14 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /12° 11.4 mm 5
15 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
16° /13° 10.9 mm 4
16 Jul. Moderate rain at times
Moderate rain at times
17° /13° 3.7 mm 4
17 Jul. Patchy rain possible
Patchy rain possible
18° /13° 1.4 mm 4
18 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
18° /13° 4 mm 4
19 Jul. Cloudy
Cloudy
18° /14° 0.1 mm 4
20 Jul. Patchy rain possible
Patchy rain possible
18° /13° 5.6 mm 4
21 Jul. Patchy rain possible
Patchy rain possible
17° /12° 0.5 mm 4
22 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /14° 16 mm 4
23 Jul. Patchy rain possible
Patchy rain possible
18° /14° 2.6 mm 4
24 Jul. Moderate rain at times
Moderate rain at times
17° /12° 3.8 mm 4
25 Jul. Overcast
Overcast
18° /13° 0.9 mm 4
26 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /12° 11.5 mm 4
27 Jul. Patchy rain possible
Patchy rain possible
17° /14° 2.4 mm 4
28 Jul. Patchy rain possible
Patchy rain possible
18° /14° 0.9 mm 4
29 Jul. Patchy rain possible
Patchy rain possible
19° /14° 2 mm 5
30 Jul. Heavy rain at times
Heavy rain at times
19° /14° 5.2 mm 5
31 Jul. Moderate rain at times
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.

July rainfall patterns in Swansea

Explore the daily rainfall trends and prepare for Swanseas July weather 💧

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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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