Swansea in June
June in Swansea is peak winter, and the weather reflects it. You're looking at average daily highs of 12.3 degrees.
The average daily maximum is 12.3 degrees with overnight lows of 6.5 degrees. It's cool but manageable. A jumper handles most of it.
June is 5.9 degrees cooler than Swansea's yearly average.
Rainfall in June averages 40mm over about 5 days. That means roughly a 17% chance of rain on any given day, decent odds for a dry day.
Solar exposure averages 4.8 MJ/m2 per day in June, with UV levels in the low range. UV is fairly gentle.
June scores 1.0/10 on our Comfort Score. It's the tough end of the year weather-wise.
For your suitcase: a proper winter jacket.
Scroll down for the detailed climate data, or explore what nearby cities are like in June.
June at a Glance
Temperature Range
Daily temperature range in June. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Winter clothing including a proper coat
- A warm jumper or fleece for cool mornings and evenings
- A light rain jacket just in case
Coming From Overseas?
How June in Swansea stacks up against major cities around the world.
About 10 degrees cooler and considerably drier.
About 16 degrees cooler and considerably drier.
About 14 degrees cooler and considerably drier.
How June Compares
Swansea's monthly climate at a glance. June 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 |