Swansea in July
Planning a trip to Swansea in July? Here's the honest weather briefing for what winter looks like on the ground.
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.
At 12.3 degrees, July sits 5.9 degrees below the annual average of 18.2 degrees.
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.
Packing tip: bring a proper winter jacket, and waterproof gear.
Scroll down for the detailed climate data, or explore what nearby cities are like in July.
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 |