Merthyr Tydfil in may: average Weather, Temperature and Climate
Weather in Merthyr Tydfil in may 2025
The weather in Merthyr Tydfil 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 by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
tolerable weather 1.3cm
Weather at 6am
49°F
Cloudy
25% of time
24%
24%
11%
Weather at 12pm
58°F
Partly Cloudy
26% of time
26%
24%
20%
Weather at 6pm
56°F
Clear/Sunny
29% of time
26%
21%
18%
Weather at 3am
47°F
23%
21%
19%
16%
Evolution of daily average temperature and precipitation in Merthyr Tydfil in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Merthyr Tydfil in may.
The climate of Merthyr Tydfil in may is tolerable
the weather in Merthyr Tydfil in may is wet (with 3.4in of precipitation over 6 days). The situation is deteriorating compared to the previous month since in april there is an average of 2.4in of rainfall over 4 days.
The climate is rather cold in this location this month, but it is liveable when dressing cosy. The high seasonal norm is 58°F. The minimum is 49°F. Thus, the mean temperature average in may in Merthyr Tydfil is 52°F. Note that seasonal normals in contrast with those observed in Merthyr Tydfil in may with a maximum record of 74°F in 2010 and a minimum record of 34°F in 2012. You can expect to have about 5 days with temperatures above 65°F, or 16% of the month.
On average, in Merthyr Tydfil, the days of may last 15:40. Sunrise is at 04:20 and sets at 20:00.
With a correct weather, the month of may is okay (but not good) to go in this city.
Merthyr Tydfil: another month?
If you can push back the dates of your trip, we advise you to go in june to Merthyr Tydfil. more information
Seasonal average climate and temperature of Merthyr Tydfil 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 | 52°F | ||||
| Highest temperature | 58°F | ||||
| Lowest temperature | 49°F | ||||
| Highest record temperature | 74°F (2010) | ||||
| Lowest record temperature | 34°F (2012) | ||||
| Number of days at +65°F | 5 day(s) (16%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 45°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.4in | ||||
| Number of days with rainfall | 6 day(s) (19%) | ||||
| Record daily rainfall | 1.5in (2021) | ||||
| Snowfall | 1.3cm | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 8.65km | ||||
| Cloud cover | 52% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:20 | ||||
| Time of sunset | 20:00 | ||||
| Length of day | 15:40 | ||||
| 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 Merthyr Tydfil in may 2024:
43°F to 56°F
49°F to 50°F
45°F to 50°F
45°F to 56°F
45°F to 54°F
47°F to 59°F
49°F to 58°F
52°F to 63°F
50°F to 63°F
54°F to 65°F
54°F to 67°F
56°F to 65°F
50°F to 58°F
50°F to 58°F
50°F to 58°F
49°F to 59°F
52°F to 63°F
56°F to 63°F
50°F to 65°F
49°F to 61°F
50°F to 59°F
52°F to 59°F
47°F to 50°F
47°F to 56°F
47°F to 58°F
50°F to 58°F
47°F to 56°F
52°F to 56°F
52°F to 58°F
50°F to 59°F
50°F to 59°F
Map: other cities in Wales in may
Cities near Merthyr Tydfil:
| Brecon Beacons (National Park) in may | tolerable weather |
| Cardiff in may | tolerable weather |
| Porthcawl in may | tolerable weather |
| Barry in may | tolerable weather |
| Swansea in may | tolerable weather |
| Llanelli in may | tolerable weather |
| Llandrindod Wells in may | tolerable weather |
| Carmarthen in may | tolerable weather |
| Newtown in may | tolerable weather |
| Aberystwyth in may | tolerable weather |
| Pembrokeshire in may | tolerable weather |
| Haverfordwest in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Merthyr Tydfil
perfect weather
good
tolerable
bad
very bad
Weather data for Merthyr Tydfil in may:
Weather data for Merthyr Tydfil for may are derived from an average of the weather forecast since 2009 in Merthyr Tydfil. There is a margin of error and these forecasts are to be considered as general information only. The weather in Merthyr Tydfil 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 Merthyr Tydfil.