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Treherbert, Rhondda Cynon Taff has a temperate maritime climate with mild temperatures year-round. The average temperature in winter months (December to February) is around 7 °C (45 °F), while in summer months (June to August) it is around 15 °C (59 °F).
Rainfall is quite evenly spread throughout the year. The wettest months are usually October and December, with an average of 122 mm (4.8 in) and 123 mm (4.8 in) of rain respectively. The driest month is usually April, with an average of 57 mm (2.2 in) of rain.
Snowfall is rare in Treherbert, but can occur during winter months.
The sunniest months are usually April, May and June, with an average of around 200 hours of sunshine each month. The sunniest days are usually in July and August, with an average of around 250 hours of sunshine each month.
The prevailing wind in Treherbert is from the southwest. Winds are usually light, averaging 5-6 knots (9-11 km/h).
As of 2020, the city population is 5727.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Treherbert, Rhondda Cynon Taff.