Swansea in July
So, what's Swansea actually like in July? In a word: brisk. It's winter, and the days are averaging 12.3 degrees.
Daytime highs average 12.3 degrees, dropping to 5.3 degrees overnight. That's a 7-degree swing between day and night. It's cool but manageable. A jumper handles most of it.
July is 5.9 degrees cooler than Swansea's yearly average.
The rain data says 92mm over 10 days. Moderate, often falling in a few good dumps rather than constant drizzle.
Solar exposure averages 6.1 MJ/m2 per day in July, with UV levels in the moderate range. Sunscreen is still wise, especially if you burn easily.
With a Comfort Score of 1.0/10, July is not the most comfortable time to visit.
For your suitcase: warm layers including a coat, and a rain jacket or compact umbrella.
Check the data table below for the full picture, or compare Swansea in July with another destination.
July at a Glance
Temperature Range
Daily temperature range in July. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Warm layers including a heavy jacket or coat
- Extra layers for chilly nights
- Proper rain gear for frequent showers
Coming From Overseas?
How July in Swansea stacks up against major cities around the world.
About 12 degrees cooler and considerably wetter.
About 19 degrees cooler and considerably drier.
About 18 degrees cooler and considerably drier.
How July Compares
Swansea's monthly climate at a glance. July is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 22.7 | 13.3 | 62mm | 9.5 |
| Feb | 24.6 | 13.0 | 22mm | 10.0 |
| Mar | 22.6 | 11.9 | 24mm | 9.4 |
| Apr | 18.2 | 8.8 | 67mm | 5.6 |
| May | 15.1 | 7.6 | 59mm | 2.7 |
| Jun | 12.3 | 6.5 | 40mm | 1.0 |
| Jul | 12.3 | 5.3 | 92mm | 1.0 |
| Aug | 15.1 | 7.6 | 64mm | 2.9 |
| Sep | 15.8 | 7.2 | 46mm | 4.1 |
| Oct | 17.9 | 8.0 | 54mm | 6.0 |
| Nov | 19.8 | 10.6 | 77mm | 7.3 |
| Dec | 21.9 | 12.5 | 95mm | 8.8 |