Merthyr Tydfil 21 December Weather

Altitude - 263m | 51°45′0″N,3°22′48″W | map (OSM)

Merthyr Tydfil

°F

11 amFair4mphW

Tue, December 16, 202511:30 AM (GMT +00:00)

Climatic norm in Merthyr Tydfil Dec 21

37°
42°
47°

minimum
average
maximum

Sunday Dec 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	38°	38°	38°	39°	41°	41°	39°	37°
wind	4mph	4mph	5mph	4mph	6mph	6mph	6mph	5mph
pressure in	28.64	28.62	28.62	28.64	28.65	28.69	28.72	28.78

Saturday Dec 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	42°	43°	45°	48°	51°	48°	45°	42°
wind	8mph	9mph	15mph	18mph	22mph	19mph	18mph	18mph
pressure in	29.10	29.07	29.01	28.94	28.89	28.88	28.86	28.85

Thursday Dec 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	49°	48°	49°	50°	50°	49°	48°	47°
wind	13mph	17mph	21mph	20mph	22mph	20mph	16mph	16mph
pressure in	29.02	28.98	28.95	28.94	28.93	28.95	28.98	29.03

Wednesday Dec 21 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	44°	44°	44°	43°	45°	45°	43°	44°
wind	11mph	12mph	12mph	10mph	9mph	6mph	4mph	4mph
pressure in	28.79	28.75	28.74	28.75	28.74	28.71	28.69	28.67

Tuesday Dec 21 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	37°	35°	34°	35°	38°	38°	34°	33°
wind	7mph	6mph	5mph	6mph	7mph	8mph	6mph	7mph
pressure in	29.34	29.32	29.28	29.30	29.28	29.25	29.24	29.23

Monday Dec 21 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	42°	44°	46°	49°	52°	52°	51°	50°
wind	5mph	8mph	10mph	10mph	15mph	16mph	14mph	12mph
pressure in	28.93	28.84	28.70	28.64	28.64	28.65	28.67	28.70

Saturday Dec 21 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	41°	42°	42°	43°	44°	44°	42°	41°
wind	7mph	8mph	11mph	10mph	9mph	6mph	4mph	5mph
pressure in	28.05	28.02	27.99	27.99	27.94	27.85	27.80	27.83

Friday Dec 21 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	45°	47°	50°	47°	48°	48°	47°	48°
wind	6mph	7mph	19mph	21mph	20mph	20mph	16mph	18mph
pressure in	28.61	28.49	28.48	28.55	28.64	28.71	28.75	28.78

* Merthyr Tydfil weather for December 21 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page Merthyr Tydfil Weather for December 21, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on December 21 for previous years is presented.