Photo: Neil Theasby · CC BY-SA 2.0Dry weather: only 652 mm (26 in) a year falls on Carlton, less than on 79% of UK towns
A clear January night here typically dips to 1.9°C (35°F). Frosty nights are scarcer than in 79% of UK towns. The gap between a January night and a July afternoon is 19°C. Gritters and ice scrapers earn their keep on roughly 33 nights a year below 0°C.
Met Office 1991–2020 averages for the town itself.
A year in Carlton at a glance
Each month’s typical high and low, in °C.
What a year in Carlton feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 652 mm of rain a year
June is the wettest month and February the driest. About 15 days a year bring 10 mm (0.4 in) or more.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Sheffield
33 air frosts and 11 days of 25°C a year
On about 33 nights a year the air drops below freezing, and on about 1 days it stays below freezing all day. About 11 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 Sheffield
Sheffield is 14 miles south of Carlton, 131 m (430 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 | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.0°C | 2.2°C | 76 mm | 7.2 | 49 |
| February | 7.7°C | 2.2°C | 67 mm | 7.0 | 75 |
| March | 10.1°C | 3.4°C | 60 mm | 3.6 | 119 |
| April | 13.1°C | 5.2°C | 59 mm | 1.1 | 150 |
| May | 16.4°C | 7.8°C | 55 mm | 0.1 | 193 |
| June | 19.2°C | 10.8°C | 78 mm | 0.0 | 175 |
| July | 21.3°C | 12.8°C | 62 mm | 0.0 | 194 |
| August | 20.8°C | 12.6°C | 65 mm | 0.0 | 179 |
| September | 17.8°C | 10.5°C | 63 mm | 0.0 | 135 |
| October | 13.7°C | 7.8°C | 79 mm | 0.4 | 95 |
| November | 9.8°C | 4.8°C | 85 mm | 2.4 | 59 |
| December | 7.3°C | 2.6°C | 87 mm | 6.5 | 48 |
| Year | 13.7°C | 6.9°C | 834 mm | 28 | 1,469 |
Met Office historic station data, Sheffield, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.
How Carlton 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 South Yorkshire 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 |
|---|---|---|---|
| Carlton | 21.4°C | 1.9°C | 652 mm |
| Royston 0.9 mi | 21.3°C about the same | 1.8°C about the same | 676 mm |
| Cudworth and Shafton 1.7 mi | 21.4°C about the same | 1.8°C about the same | 653 mm |
| Barnsley 2.2 mi | 21.3°C about the same | 1.8°C about the same | 688 mm |
| Darton 2.6 mi | 21.1°C about the same | 1.6°C about the same | 715 mm |
| South Hiendley 2.9 mi | 21.2°C about the same | 1.7°C about the same | 654 mm |
| Brierley 2.9 mi | 21.2°C about the same | 1.7°C about the same | 654 mm |
Carlton 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 | 1.9°C 35°F | 4.6°C | 51 mm 2.0 in |
| February | 7.9°C 46°F | 2.0°C 36°F | 4.9°C | 43 mm 1.7 in |
| March | 10.2°C 50°F | 3.0°C 37°F | 6.6°C | 44 mm 1.7 in |
| April | 13.2°C 56°F | 4.8°C 41°F | 9.0°C | 47 mm 1.8 in |
| May | 16.3°C 61°F | 7.3°C 45°F | 11.8°C | 47 mm 1.8 in |
| June | 19.2°C 67°F | 10.3°C 50°F | 14.8°C | 67 mm 2.7 in |
| July | 21.4°C 71°F | 12.4°C 54°F | 16.9°C | 59 mm 2.3 in |
| August | 21.2°C 70°F | 12.3°C 54°F | 16.7°C | 59 mm 2.3 in |
| September | 18.2°C 65°F | 10.2°C 50°F | 14.2°C | 51 mm 2.0 in |
| October | 14.1°C 57°F | 7.4°C 45°F | 10.7°C | 61 mm 2.4 in |
| November | 10.0°C 50°F | 4.5°C 40°F | 7.2°C | 63 mm 2.5 in |
| December | 7.5°C 45°F | 2.2°C 36°F | 4.9°C | 61 mm 2.4 in |
| Year | 13.9°C | 6.5°C | 10.2°C | 652 mm |
Where Carlton’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 Carlton’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 Sheffield, 14 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 Carlton’s climate
How warm does Carlton get in summer?
July is the warmest month, with average highs of 21.4°C (71°F). About 11 days a year reach 25°C (77°F), more than 52% of UK towns.
How cold does Carlton get in winter?
January nights average 1.9°C (35°F). The air drops below freezing on about 33 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Carlton get?
About 652 mm (26 in) a year, less than 79% of UK towns. June is the wettest month (67 mm) and February the driest (43 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Sheffield (14 miles away), averages 1,469 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 Carlton. 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 Carlton →
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