Few UK towns get more frosts than Knighton
The warmest part of a July day comes in at 20.6°C (69°F) on average. December is the wettest month, July the driest. It is the wettest of its 4 nearest neighbours. The outdoor season runs from June to August, with highs of 19–21°C.
Met Office 1991–2020 averages for the town itself.
A year in Knighton at a glance
Each month’s typical high and low, in °C.
What a year in Knighton feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 964 mm of rain a year
December is the wettest month and July the driest. About 27 days a year bring 10 mm (0.4 in) or more. 6th wettest of 7 Powys towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Shawbury
A frosty town: 62 air frosts and 7 days of 25°C a year
On about 62 nights a year the air drops below freezing, and on about 2 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 Shawbury
Shawbury is 35 miles north-east of Knighton, 72 m (236 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 | 7.5°C | 1.2°C | 57 mm | 11.7 | 50 |
| February | 8.1°C | 1.2°C | 43 mm | 10.8 | 71 |
| March | 10.3°C | 2.3°C | 43 mm | 8.2 | 109 |
| April | 13.2°C | 3.9°C | 47 mm | 4.4 | 148 |
| May | 16.3°C | 6.7°C | 54 mm | 0.9 | 181 |
| June | 19.1°C | 9.6°C | 59 mm | 0.0 | 173 |
| July | 21.1°C | 11.5°C | 58 mm | 0.0 | 179 |
| August | 20.7°C | 11.4°C | 64 mm | 0.0 | 156 |
| September | 18.1°C | 9.3°C | 61 mm | 0.0 | 127 |
| October | 14.2°C | 6.6°C | 69 mm | 1.8 | 92 |
| November | 10.3°C | 3.5°C | 61 mm | 6.7 | 59 |
| December | 7.7°C | 1.3°C | 66 mm | 11.2 | 48 |
| Year | 13.9°C | 5.7°C | 682 mm | 56 | 1,392 |
Met Office historic station data, Shawbury, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.
How Knighton 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 Powys 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 |
|---|---|---|---|
| Knighton | 20.6°C | 0.8°C | 964 mm |
| Presteigne 5.3 mi | 21.3°C 0.7°C warmer | 0.9°C about the same | 879 mm |
| Kington 9.6 mi | 21.1°C 0.5°C warmer | 1.3°C 0.5°C milder | 940 mm |
| Bishop's Castle 10.5 mi | 20.3°C about the same | 1.4°C 0.6°C milder | 789 mm |
| Craven Arms 11.2 mi | 21.1°C 0.5°C warmer | 1.3°C 0.6°C milder | 804 mm |
Knighton 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 | 6.7°C 44°F | 0.8°C 33°F | 3.8°C | 102 mm 4.0 in |
| February | 7.2°C 45°F | 0.7°C 33°F | 4.0°C | 78 mm 3.1 in |
| March | 9.7°C 49°F | 1.8°C 35°F | 5.8°C | 69 mm 2.7 in |
| April | 12.6°C 55°F | 3.3°C 38°F | 8.0°C | 71 mm 2.8 in |
| May | 15.9°C 61°F | 5.7°C 42°F | 10.7°C | 64 mm 2.5 in |
| June | 18.7°C 66°F | 8.6°C 47°F | 13.6°C | 65 mm 2.6 in |
| July | 20.6°C 69°F | 10.4°C 51°F | 15.6°C | 60 mm 2.3 in |
| August | 20.0°C 68°F | 10.2°C 50°F | 15.1°C | 70 mm 2.8 in |
| September | 17.4°C 63°F | 8.0°C 46°F | 12.8°C | 73 mm 2.9 in |
| October | 13.4°C 56°F | 5.7°C 42°F | 9.5°C | 103 mm 4.0 in |
| November | 9.6°C 49°F | 2.9°C 37°F | 6.3°C | 99 mm 3.9 in |
| December | 7.2°C 45°F | 1.1°C 34°F | 4.1°C | 110 mm 4.3 in |
| Year | 13.2°C | 4.9°C | 9.1°C | 964 mm |
Where Knighton’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 1 Met Office 2 km grid square whose centre lies inside Knighton’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 Shawbury, 35 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 Knighton’s climate
How warm does Knighton 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 67% of UK towns.
How cold does Knighton get in winter?
February nights average 0.7°C (33°F). The air drops below freezing on about 62 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Knighton get?
About 964 mm (38 in) a year, more than 76% of UK towns. December is the wettest month (110 mm) and July the driest (60 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Shawbury (35 miles away), averages 1,392 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 Knighton. 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 Knighton →
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