Few UK towns get more rain than Llandybie: 1,551 mm (61 in) a year
A typical year brings 1,551 mm (61 in) of rain, with July afternoons around 20.3°C (69°F) and January nights around 2.4°C (36°F). In July, afternoons here are cooler than in 83% of UK towns. In January, nights here are milder than in 80% of UK towns.
A year in Llandybie at a glance
Each month’s typical high and low, in °C.
What a year in Llandybie feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 1,551 mm of rain a year
December is the wettest month and April the driest. About 54 days a year bring 10 mm (0.4 in) or more. 5th wettest of 23 Dyfed towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Aberporth
39 air frosts and 6 days of 25°C a year
On about 39 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 6 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 Aberporth
Aberporth is 33 miles north-west of Llandybie, 133 m (436 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full; at that distance read it for sunshine and the station’s own record, not as the town’s figures.
| Month | High | Low | Rain | Air frosts | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.8°C | 3.4°C | 90 mm | 4.5 | 60 |
| February | 7.9°C | 3.3°C | 67 mm | 3.8 | 79 |
| March | 9.4°C | 4.2°C | 58 mm | 1.8 | 127 |
| April | 11.6°C | 5.7°C | 54 mm | 0.4 | 172 |
| May | 14.3°C | 8.2°C | 55 mm | 0.0 | 210 |
| June | 16.6°C | 10.7°C | 64 mm | 0.0 | 203 |
| July | 18.3°C | 12.5°C | 67 mm | 0.0 | 187 |
| August | 18.3°C | 12.7°C | 75 mm | 0.0 | 169 |
| September | 16.7°C | 11.2°C | 71 mm | 0.0 | 141 |
| October | 13.6°C | 8.9°C | 107 mm | 0.0 | 99 |
| November | 10.5°C | 6.2°C | 117 mm | 0.6 | 59 |
| December | 8.5°C | 4.1°C | 107 mm | 3.5 | 49 |
| Year | 12.8°C | 7.6°C | 931 mm | 15 | 1,554 |
Met Office historic station data, Aberporth, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.
How Llandybie compares
Against the 2,178 towns and cities of 2,500 or more in England and Wales, each with its own Met Office averages, and its place among Dyfed 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 |
|---|---|---|---|
| Llandybie | 20.3°C | 2.4°C | 1,551 mm |
| Penybanc 1.7 mi | 20.2°C about the same | 2.6°C about the same | 1,596 mm |
| Ammanford 2.0 mi | 20.6°C about the same | 2.8°C about the same | 1,522 mm |
| Tycroes 2.8 mi | 20.2°C about the same | 2.6°C about the same | 1,597 mm |
| Capel Hendre 2.9 mi | 20.2°C about the same | 2.3°C about the same | 1,604 mm |
| Cross Hands and Pen-y-groes 3.3 mi | 19.5°C 0.8°C cooler | 2.1°C about the same | 1,678 mm |
| Glanaman 4.1 mi | 19.9°C about the same | 2.3°C about the same | 1,713 mm |
Llandybie 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 | 7.9°C 46°F | 2.4°C 36°F | 5.1°C | 175 mm 6.9 in |
| February | 8.3°C 47°F | 2.3°C 36°F | 5.3°C | 124 mm 4.9 in |
| March | 10.6°C 51°F | 3.6°C 38°F | 7.1°C | 107 mm 4.2 in |
| April | 13.3°C 56°F | 5.0°C 41°F | 9.1°C | 85 mm 3.3 in |
| May | 16.5°C 62°F | 7.7°C 46°F | 12.0°C | 92 mm 3.6 in |
| June | 18.9°C 66°F | 10.4°C 51°F | 14.6°C | 90 mm 3.6 in |
| July | 20.3°C 69°F | 12.1°C 54°F | 16.2°C | 106 mm 4.2 in |
| August | 19.9°C 68°F | 12.0°C 54°F | 16.0°C | 119 mm 4.7 in |
| September | 17.8°C 64°F | 9.9°C 50°F | 13.8°C | 116 mm 4.6 in |
| October | 14.3°C 58°F | 7.5°C 46°F | 10.9°C | 174 mm 6.9 in |
| November | 10.7°C 51°F | 4.6°C 40°F | 7.6°C | 179 mm 7.0 in |
| December | 8.3°C 47°F | 2.7°C 37°F | 5.5°C | 184 mm 7.2 in |
| Year | 13.9°C | 6.7°C | 10.3°C | 1,551 mm |
Where Llandybie’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the Met Office 2 km grid square nearest Llandybie’s centre (the town is smaller than one square).
- 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 Aberporth, 33 miles away, months of 1991–2020 averaged.
- Comparisons: every town and city of 2,500 or more in England and Wales, read the same way.
Met Office HadUK-Grid · Met Office Climate Data Portal · Historic station data. Open Government Licence v3.0.
Questions about Llandybie’s climate
How warm does Llandybie get in summer?
July is the warmest month, with average highs of 20.3°C (69°F). About 6 days a year reach 25°C (77°F), fewer than 82% of UK towns.
How cold does Llandybie get in winter?
February nights average 2.3°C (36°F). The air drops below freezing on about 39 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Llandybie get?
About 1,551 mm (61 in) a year, more than 97% of UK towns. December is the wettest month (184 mm) and April the driest (85 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Aberporth (33 miles away), averages 1,554 hours of bright sunshine a year. Sunshine isn’t on the town grid, so this is the station’s figure.
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 Llandybie. 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 Llandybie →
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