Ice on the ground: Southborough sees more frosts than 86% of UK towns
Peak summer warmth arrives in July, with afternoons near 22.3°C (72°F). About 16 days a year reach 25°C, more than in 76% of UK towns. Rain peaks in January and eases off in July. 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 Southborough at a glance
Each month’s typical high and low, in °C.
What a year in Southborough feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 706 mm of rain a year
January is the wettest month and July the driest. About 21 days a year bring 10 mm (0.4 in) or more. 37th wettest of 87 Kent towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Eastbourne
A frosty town: 50 air frosts and 16 days of 25°C a year
On about 50 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 16 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 Eastbourne
Eastbourne is 27 miles south of Southborough, 7 m (23 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 | 8.5°C | 3.9°C | 83 mm | 4.5 | 70 |
| February | 8.6°C | 3.6°C | 58 mm | 3.8 | 90 |
| March | 10.5°C | 4.9°C | 48 mm | 1.1 | 134 |
| April | 13.3°C | 6.7°C | 45 mm | 0.2 | 203 |
| May | 16.3°C | 9.6°C | 46 mm | 0.0 | 236 |
| June | 18.9°C | 12.5°C | 47 mm | 0.0 | 239 |
| July | 21.0°C | 14.7°C | 54 mm | 0.0 | 252 |
| August | 21.3°C | 14.9°C | 60 mm | 0.0 | 233 |
| September | 19.2°C | 12.6°C | 60 mm | 0.0 | 172 |
| October | 15.7°C | 9.9°C | 93 mm | 0.0 | 121 |
| November | 11.9°C | 6.9°C | 98 mm | 0.6 | 78 |
| December | 9.3°C | 4.5°C | 100 mm | 3.8 | 62 |
| Year | 14.5°C | 8.7°C | 792 mm | 14 | 1,889 |
Met Office historic station data, Eastbourne, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Southborough 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 Kent 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 |
|---|---|---|---|
| Southborough | 22.3°C | 1.3°C | 706 mm |
| Royal Tunbridge Wells 1.5 mi | 22.2°C about the same | 1.2°C about the same | 881 mm |
| Rusthall and Langton Green 2.1 mi | 22.3°C about the same | 1.2°C about the same | 892 mm |
| Pembury 3.0 mi | 22.3°C about the same | 1.4°C about the same | 773 mm |
| Tonbridge 3.2 mi | 22.6°C about the same | 1.7°C about the same | 714 mm |
| Leigh 3.3 mi | 22.6°C about the same | 1.7°C about the same | 699 mm |
| Hildenborough 3.8 mi | 22.7°C about the same | 1.7°C about the same | 718 mm |
Southborough 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 | 7.7°C 46°F | 1.3°C 34°F | 4.5°C | 84 mm 3.3 in |
| February | 7.8°C 46°F | 1.2°C 34°F | 4.7°C | 57 mm 2.2 in |
| March | 10.7°C 51°F | 2.7°C 37°F | 6.7°C | 47 mm 1.9 in |
| April | 14.0°C 57°F | 4.4°C 40°F | 9.3°C | 46 mm 1.8 in |
| May | 17.0°C 63°F | 7.1°C 45°F | 12.3°C | 48 mm 1.9 in |
| June | 20.2°C 68°F | 9.8°C 50°F | 15.0°C | 47 mm 1.9 in |
| July | 22.3°C 72°F | 12.3°C 54°F | 17.3°C | 46 mm 1.8 in |
| August | 22.1°C 72°F | 12.1°C 54°F | 17.1°C | 47 mm 1.9 in |
| September | 19.1°C 66°F | 9.8°C 50°F | 14.5°C | 50 mm 2.0 in |
| October | 14.9°C 59°F | 7.2°C 45°F | 11.1°C | 76 mm 3.0 in |
| November | 10.8°C 51°F | 4.1°C 39°F | 7.4°C | 80 mm 3.1 in |
| December | 8.1°C 47°F | 2.0°C 36°F | 5.1°C | 79 mm 3.1 in |
| Year | 14.6°C | 6.2°C | 10.4°C | 706 mm |
Where Southborough’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 Southborough’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 Eastbourne, 27 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 Southborough’s climate
How warm does Southborough get in summer?
July is the warmest month, with average highs of 22.3°C (72°F). About 16 days a year reach 25°C (77°F), more than 76% of UK towns.
How cold does Southborough get in winter?
February nights average 1.2°C (34°F). The air drops below freezing on about 50 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Southborough get?
About 706 mm (28 in) a year, less than 64% of UK towns. January is the wettest month (84 mm) and July the driest (46 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Eastbourne (27 miles away), averages 1,889 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 Southborough. 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 Southborough →
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.