Swansea in may: average Weather, Temperature and Climate
Weather in Swansea in may 2025
The weather in Swansea in the month of may comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
tolerable weather
Weather at 6am
52°F
Partly Cloudy
29% of time
26%
20%
19%
Weather at 12pm
58°F
Clear/Sunny
31% of time
30%
18%
17%
Weather at 6pm
56°F
Clear/Sunny
36% of time
29%
18%
13%
Weather at 3am
50°F
29%
28%
18%
17%
Evolution of daily average temperature and precipitation in Swansea in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Swansea in may.
The climate of Swansea in may is tolerable
In may in Swansea, the climate is wet (with 3.5in of precipitation over 6 days). The weather is worst than the previous month since in april there is an average of 2.4in of rainfall over 4 days.
The climate is fairly cold in this location may, but it is endurable when dressing cosy. Temperatures are up to 58°F. On average, the recorded minimum temperature is 52°F. Thus, the mean temperature average in may in Swansea is 54°F. These temperatures are far removed from those records observed in Swansea in may with a maximum record of 74°F in 2010 and a minimum record of 40°F in 2012. You can expect to have about 3 days with temperatures over 65°F, or 10% of the month.
On average, in Swansea, the days of may last 15:39. The sun rises at 04:23 and sets at 20:02.
With a correct weather, may is okay (but not good) to go in Swansea.
Swansea: another month?
If you can push back the dates of your trip, we advise you to go in june to Swansea. more information
Seasonal average climate and temperature of Swansea in may
Check below seasonal norms These datas are generated from the weather statements earlier years of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 54°F | ||||
| Highest temperature | 58°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 74°F (2010) | ||||
| Lowest record temperature | 40°F (2012) | ||||
| Number of days at +65°F | 3 day(s) (10%) | ||||
| Sea temperature | |||||
| Average sea temperature | 53°F | ||||
| Lowest sea temperature | 51°F | ||||
| Highest sea temperature | 55°F | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 47°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.5in | ||||
| Number of days with rainfall | 6 day(s) (20%) | ||||
| Record daily rainfall | 1.5in (2021) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.27km | ||||
| Cloud cover | 46% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:23 | ||||
| Time of sunset | 20:02 | ||||
| Length of day | 15:39 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last may?
Here is the day by day recorded weather in Swansea in may 2024:
47°F to 54°F
49°F to 50°F
49°F to 50°F
49°F to 56°F
49°F to 56°F
50°F to 56°F
50°F to 58°F
52°F to 58°F
52°F to 59°F
54°F to 61°F
56°F to 63°F
56°F to 59°F
52°F to 56°F
52°F to 58°F
52°F to 58°F
52°F to 58°F
54°F to 59°F
54°F to 61°F
52°F to 61°F
52°F to 59°F
54°F to 58°F
54°F to 58°F
49°F to 54°F
50°F to 54°F
50°F to 58°F
54°F to 58°F
52°F to 56°F
54°F to 58°F
56°F to 58°F
52°F to 58°F
54°F to 59°F
Map: other cities in Wales in may
Cities near Swansea:
| Llanelli in may | tolerable weather |
| Porthcawl in may | tolerable weather |
| Carmarthen in may | tolerable weather |
| Merthyr Tydfil in may | tolerable weather |
| Barry in may | tolerable weather |
| Brecon Beacons (National Park) in may | tolerable weather |
| Cardiff in may | tolerable weather |
| Pembrokeshire in may | tolerable weather |
| Haverfordwest in may | tolerable weather |
| Llandrindod Wells in may | tolerable weather |
| Fishguard in may | tolerable weather |
| Aberystwyth in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Swansea
perfect weather
good
tolerable
bad
very bad
Weather data for Swansea in may:
Weather data for Swansea for may are derived from an average of the weather forecast since 2009 in Swansea. There is a margin of error and these forecasts are to be considered as general information only. The weather in Swansea can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Swansea.