Carmarthen in may: average Weather, Temperature and Climate
Weather in Carmarthen in may 2025
The weather in Carmarthen in the month of may comes from statistical datas on the last years. You can view the weather statistics for the whole 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
50°F
Partly Cloudy
28% of time
26%
18%
18%
Weather at 12pm
58°F
Clear/Sunny
29% of time
25%
24%
18%
Weather at 6pm
56°F
Clear/Sunny
32% of time
27%
22%
17%
Weather at 3am
49°F
24%
22%
19%
15%
Evolution of daily average temperature and precipitation in Carmarthen in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Carmarthen in may.
The climate of Carmarthen in may is tolerable
The climate in may in Carmarthen is wet (with 3.2in of precipitation over 6 days). The weather's not getting better compared to the previous month since in april there is an average of 2.6in of rainfall over 4 days.
The climate is rather fresh here may, but it is bearable when dressing warm. Temperatures are up to 59°F. In the morning the temperature drops to 50°F. Thus, the mean temperature average in may in Carmarthen is 54°F. Note that these seasonal averages are in contrast with those observed in Carmarthen in the month of may with a maximum record of 76°F in 2010 and a minimum record of 38°F in 2020. You can hope to have about 4 days with temperatures above 65°F, or 13% of the month.
On this month of may, day length in Carmarthen is generally 15:41. Sunrise is at 04:23 and sunset is at 20:04.
With a correct climate, the month of may is okay (but not the best) to go in this locality in Wales.
Carmarthen: another month?
If you can push back the dates of your trip, we advise you to go in june to Carmarthen. more information
Seasonal average climate and temperature of Carmarthen in may
Check below seasonal norms These datas are compiled from the weather statements earlier years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 54°F | ||||
| Highest temperature | 59°F | ||||
| Lowest temperature | 50°F | ||||
| Highest record temperature | 76°F (2010) | ||||
| Lowest record temperature | 38°F (2020) | ||||
| Number of days at +65°F | 4 day(s) (13%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 47°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.2in | ||||
| Number of days with rainfall | 6 day(s) (18%) | ||||
| Record daily rainfall | 1in (2015) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 9km | ||||
| Cloud cover | 49% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:23 | ||||
| Time of sunset | 20:04 | ||||
| Length of day | 15:41 | ||||
| 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 Carmarthen in may 2024:
45°F to 58°F
49°F to 52°F
49°F to 50°F
49°F to 58°F
47°F to 58°F
49°F to 58°F
50°F to 59°F
52°F to 58°F
50°F to 61°F
54°F to 65°F
56°F to 67°F
58°F to 63°F
50°F to 56°F
52°F to 59°F
54°F to 59°F
52°F to 61°F
54°F to 61°F
54°F to 63°F
52°F to 65°F
50°F to 61°F
54°F to 59°F
54°F to 59°F
49°F to 56°F
49°F to 54°F
49°F to 58°F
54°F to 58°F
50°F to 56°F
54°F to 59°F
54°F to 59°F
52°F to 59°F
52°F to 59°F
Map: other cities in Wales in may
Cities near Carmarthen:
| Llanelli in may | tolerable weather |
| Swansea in may | tolerable weather |
| Haverfordwest in may | tolerable weather |
| Pembrokeshire in may | tolerable weather |
| Fishguard in may | tolerable weather |
| Porthcawl in may | tolerable weather |
| Aberystwyth in may | tolerable weather |
| Brecon Beacons (National Park) in may | tolerable weather |
| Merthyr Tydfil in may | tolerable weather |
| Llandrindod Wells in may | tolerable weather |
| Barry in may | tolerable weather |
| Cardiff in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Carmarthen
perfect weather
good
tolerable
bad
very bad
Weather data for Carmarthen in may:
Weather data for Carmarthen for may are derived from an average of the weather forecast since 2009 in Carmarthen. There is a margin of error and these forecasts are to be considered as general information only. The weather in Carmarthen 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 Carmarthen.