Crap Towns / Mountain Ash / Weather
How often does it rain in Mountain Ash?
It rains in Mountain Ash on 175 days a year (at least 1 mm, on the 1991 to 2020 average), 38% higher than the typical town's 127. That makes it joint 41st wettest of the 984 towns in our table. The rain adds up to 1,924 mm a year, 2.5 times the typical town's 766. It gets 1,445 hours of sunshine a year, 6% lower than the typical town's 1,532: the 257th gloomiest.
| A year | Here | Typical town |
|---|---|---|
| Days of rain (at least 1 mm) | 175 | 127 |
| Rainfall (mm) | 1,924 | 766 |
| Hours of sunshine | 1,445 | 1,532 |
| Town | Distance | Days of rain a year |
|---|---|---|
| Treorchy | 9.0 km | 187 |
| Tonypandy | 8.4 km | 185 |
| Rhondda | 7.5 km | 182 |
| Porth | 8.1 km | 180 |
| Aberdare | 4.7 km | 177 |
| Mountain Ash | – | 175 |
| Merthyr Tydfil | 7.7 km | 173 |
| Pontypridd | 9.6 km | 171 |
| Bargod | 10.6 km | 167 |
| Abercynon | 5.7 km | 162 |
| Treharris | 6.1 km | 162 |
| The typical town | – | 127 |