Carryduff has cooler summers than 93% of UK towns
January mornings start at about 1.6°C (35°F). None of the 5 Lisburn and Castlereagh towns gets more rain. Expect the heaviest rain in November and the lightest in April. Warm coats and heating bills mark the months from October to April, when means dip under 10°C.
Met Office 1991–2020 averages for the town itself.
A year in Carryduff at a glance
Each month’s typical high and low, in °C.
What a year in Carryduff feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 1,000 mm of rain a year
November is the wettest month and April the driest. About 27 days a year bring 10 mm (0.4 in) or more. The wettest of 5 Lisburn and Castlereagh towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Armagh
41 air frosts and 1 days of 25°C a year
On about 41 nights a year the air drops below freezing; days that stay below freezing are rare. About 1 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 Armagh
Armagh is 33 miles west of Carryduff, 62 m (203 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 | 2.2°C | 73 mm | 7.7 | 47 |
| February | 8.6°C | 2.0°C | 59 mm | 7.6 | 71 |
| March | 10.4°C | 3.1°C | 60 mm | 5.3 | 102 |
| April | 13.0°C | 4.6°C | 56 mm | 2.3 | 150 |
| May | 15.9°C | 7.0°C | 58 mm | 0.2 | 180 |
| June | 18.2°C | 9.8°C | 63 mm | 0.0 | 146 |
| July | 19.7°C | 11.7°C | 70 mm | 0.0 | 135 |
| August | 19.4°C | 11.6°C | 79 mm | 0.0 | 141 |
| September | 17.3°C | 9.7°C | 65 mm | 0.0 | 114 |
| October | 13.7°C | 7.0°C | 81 mm | 0.8 | 92 |
| November | 10.3°C | 4.3°C | 82 mm | 3.5 | 62 |
| December | 8.0°C | 2.4°C | 81 mm | 7.3 | 43 |
| Year | 13.5°C | 6.3°C | 825 mm | 35 | 1,281 |
Met Office historic station data, Armagh, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Carryduff 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 Lisburn and Castlereagh 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 |
|---|---|---|---|
| Carryduff | 18.9°C | 1.6°C | 1,000 mm |
| Ballygowan 4.0 mi | 19.2°C about the same | 1.9°C about the same | 908 mm |
| Metropolitan Castlereagh 4.3 mi | 19.2°C about the same | 2.1°C 0.6°C milder | 984 mm |
| Saintfield 4.7 mi | 19.3°C about the same | 1.5°C about the same | 913 mm |
| Belfast 5.7 mi | 18.8°C about the same | 2.5°C 0.9°C milder | 1,059 mm |
| Metropolitan Lisburn 6.1 mi | 19.3°C about the same | 2.1°C about the same | 1,005 mm |
| Comber 6.3 mi | 19.3°C about the same | 2.4°C 0.8°C milder | 930 mm |
Carryduff 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 | 7.2°C 45°F | 1.6°C 35°F | 4.4°C | 94 mm 3.7 in |
| February | 7.9°C 46°F | 1.6°C 35°F | 4.7°C | 75 mm 2.9 in |
| March | 9.7°C 49°F | 2.4°C 36°F | 6.0°C | 76 mm 3.0 in |
| April | 12.2°C 54°F | 3.8°C 39°F | 7.9°C | 65 mm 2.5 in |
| May | 15.0°C 59°F | 6.2°C 43°F | 10.5°C | 65 mm 2.6 in |
| June | 17.4°C 63°F | 8.8°C 48°F | 13.0°C | 74 mm 2.9 in |
| July | 18.9°C 66°F | 10.6°C 51°F | 14.7°C | 81 mm 3.2 in |
| August | 18.6°C 66°F | 10.5°C 51°F | 14.5°C | 90 mm 3.5 in |
| September | 16.5°C 62°F | 8.9°C 48°F | 12.7°C | 76 mm 3.0 in |
| October | 13.1°C 56°F | 6.3°C 43°F | 9.7°C | 100 mm 4.0 in |
| November | 9.8°C 50°F | 3.7°C 39°F | 6.7°C | 108 mm 4.3 in |
| December | 7.6°C 46°F | 1.9°C 35°F | 4.7°C | 97 mm 3.8 in |
| Year | 12.8°C | 5.5°C | 9.1°C | 1,000 mm |
Where Carryduff’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 Carryduff’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 Armagh, 33 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 Carryduff’s climate
How warm does Carryduff get in summer?
July is the warmest month, with average highs of 18.9°C (66°F). About 1 days a year reach 25°C (77°F), fewer than 96% of UK towns.
How cold does Carryduff get in winter?
February nights average 1.6°C (35°F). The air drops below freezing on about 41 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Carryduff get?
About 1,000 mm (39 in) a year, more than 78% of UK towns. November is the wettest month (108 mm) and April the driest (65 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Armagh (33 miles away), averages 1,281 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 Carryduff. 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 Carryduff →
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