Photo: Jaggery · CC BY-SA 2.0Tonyrefail is among the wettest of UK towns: 1,865 mm (73 in) of rain a year
Midsummer highs settle at about 20.6°C (69°F). Warm afternoons come less often than in 69% of UK towns. December is the wettest month, April the driest. The heating season runs November to April: each of those months averages under 10°C.
Met Office 1991–2020 averages for the town itself.
A year in Tonyrefail at a glance
Each month’s typical high and low, in °C.
What a year in Tonyrefail feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 1,865 mm of rain a year
December is the wettest month and April the driest. About 68 days a year bring 10 mm (0.4 in) or more. 14th wettest of 32 Mid Glamorgan towns of 2,500+.
Rain by month
Millimetres
44 air frosts and 7 days of 25°C a year
On about 44 nights a year the air drops below freezing, and on about 1 days it stays below freezing all day. About 7 days a year reach 25°C (77°F).
Day counts are 1991–2020 averages from the Met Office’s 2 km grid. The Met Office calls a day of 25°C or more a summer day and a night below 0°C an air frost; ground frosts, on grass, come more often.
The Met Office station at Cardiff Bute Park
Cardiff Bute Park is 12 miles south-east of Tonyrefail, 9 m (30 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full.
| Month | High | Low | Rain | Air frosts |
|---|---|---|---|---|
| January | 8.6°C | 2.5°C | 127 mm | 8.1 |
| February | 9.1°C | 2.5°C | 93 mm | 7.5 |
| March | 11.3°C | 3.9°C | 85 mm | 3.9 |
| April | 14.4°C | 5.7°C | 72 mm | 1.4 |
| May | 17.4°C | 8.5°C | 78 mm | 0.0 |
| June | 20.1°C | 11.3°C | 73 mm | 0.0 |
| July | 21.8°C | 13.1°C | 84 mm | 0.0 |
| August | 21.4°C | 12.9°C | 105 mm | 0.0 |
| September | 19.1°C | 10.7°C | 87 mm | 0.0 |
| October | 15.2°C | 8.0°C | 128 mm | 1.0 |
| November | 11.6°C | 4.9°C | 131 mm | 3.7 |
| December | 9.1°C | 2.9°C | 140 mm | 8.3 |
| Year | 14.9°C | 7.2°C | 1,201 mm | 34 |
Met Office historic station data, Cardiff Bute Park, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Tonyrefail compares
Against the 2,537 towns and cities of 2,500 or more across the UK, each with its own Met Office averages, and its place among Mid Glamorgan towns that size.
Nearby towns’ climate
The nearest towns of 1,000+ within 12 miles: a hill, a valley or the sea can make a real difference over a few miles.
| Town | July high | January low | Rain a year |
|---|---|---|---|
| Tonyrefail | 20.6°C | 1.6°C | 1,865 mm |
| Hendreforgan 1.6 mi | 20.3°C about the same | 1.5°C about the same | 1,868 mm |
| Gilfach Goch 2.1 mi | 20.1°C about the same | 0.8°C 0.8°C colder | 2,103 mm |
| Porth 2.4 mi | 19.9°C 0.6°C cooler | 1.7°C about the same | 2,153 mm |
| Tonypandy 2.6 mi | 20.1°C about the same | 1.5°C about the same | 2,101 mm |
| Llanharan and Brynna 3.3 mi | 20.7°C about the same | 2.1°C 0.5°C milder | 1,448 mm |
| Talbot Green 3.7 mi | 21.3°C 0.7°C warmer | 2.2°C 0.6°C milder | 1,342 mm |
Tonyrefail weather by month
Average daily high and low, mean temperature and rain, 1991–2020, for the town itself (the Met Office’s HadUK-Grid).
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 7.4°C 45°F | 1.6°C 35°F | 4.5°C | 203 mm 8.0 in |
| February | 7.8°C 46°F | 1.6°C 35°F | 4.7°C | 154 mm 6.1 in |
| March | 10.0°C 50°F | 2.7°C 37°F | 6.4°C | 130 mm 5.1 in |
| April | 13.1°C 56°F | 4.4°C 40°F | 8.7°C | 105 mm 4.1 in |
| May | 16.3°C 61°F | 7.1°C 45°F | 11.7°C | 106 mm 4.2 in |
| June | 18.8°C 66°F | 9.9°C 50°F | 14.4°C | 117 mm 4.6 in |
| July | 20.6°C 69°F | 11.8°C 53°F | 16.2°C | 124 mm 4.9 in |
| August | 20.2°C 68°F | 11.6°C 53°F | 16.0°C | 148 mm 5.8 in |
| September | 17.8°C 64°F | 9.6°C 49°F | 13.7°C | 140 mm 5.5 in |
| October | 14.0°C 57°F | 7.0°C 45°F | 10.5°C | 205 mm 8.1 in |
| November | 10.4°C 51°F | 4.3°C 40°F | 7.3°C | 203 mm 8.0 in |
| December | 8.0°C 46°F | 2.3°C 36°F | 5.1°C | 229 mm 9.0 in |
| Year | 13.7°C | 6.2°C | 9.9°C | 1,865 mm |
Where Tonyrefail’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 2 Met Office 2 km grid squares whose centre lies inside Tonyrefail’s built-up area.
- Highs and lows: the Met Office publishes average daily maxima and minima on its 12 km grid; each is moved by the difference between the town’s 2 km mean temperature and the 12 km square’s, which carries the town’s own height and setting over.
- Weather station and sunshine: Met Office historic station data for Cardiff Bute Park, 12 miles away, months of 1991–2020 averaged.
- Comparisons: every town and city of 2,500 or more across the UK, all four nations, read the same way.
Met Office HadUK-Grid · Met Office Climate Data Portal · Historic station data. Open Government Licence v3.0.
Questions about Tonyrefail’s climate
How warm does Tonyrefail get in summer?
July is the warmest month, with average highs of 20.6°C (69°F). About 7 days a year reach 25°C (77°F), fewer than 69% of UK towns.
How cold does Tonyrefail get in winter?
February nights average 1.6°C (35°F). The air drops below freezing on about 44 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Tonyrefail get?
About 1,865 mm (73 in) a year, more than almost every UK town. December is the wettest month (229 mm) and April the driest (105 mm).
Where do these figures come from?
The Met Office’s HadUK-Grid 1991–2020 averages, which turn thousands of weather stations into a map of the UK in 2 km squares; the page reads the squares inside Tonyrefail. They are 30-year averages, not a forecast.
Contains Met Office data © Crown copyright 2026, Open Government Licence v3.0. HadUK-Grid 1991–2020 averages via the Met Office Climate Data Portal; station averages from Met Office historic station data. Today’s forecast for Tonyrefail →
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