Tonbridge gets more days of 25 degrees or more than 89% of UK towns
Midwinter brings lows of about 1.7°C (35°F). Frosty nights outnumber those of 77% of UK towns. Only 21°C separates winter nights from summer afternoons. Homes need heating from November to April, the months averaging under 10°C.
Met Office 1991–2020 averages for the town itself.
A year in Tonbridge at a glance
Each month’s typical high and low, in °C.
What a year in Tonbridge feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 714 mm of rain a year
November is the wettest month and July the driest. About 18 days a year bring 10 mm (0.4 in) or more. 30th wettest of 87 Kent towns of 2,500+.
Rain by month
Millimetres
Sunshine by month
Hours of bright sunshine at Eastbourne
47 air frosts and 20 days of 25°C a year
On about 47 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 20 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 30 miles south of Tonbridge, 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 Tonbridge 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 |
|---|---|---|---|
| Tonbridge | 22.6°C | 1.7°C | 714 mm |
| Hildenborough 1.4 mi | 22.7°C about the same | 1.7°C about the same | 718 mm |
| Leigh 2.7 mi | 22.6°C about the same | 1.7°C about the same | 699 mm |
| Hadlow 3.1 mi | 22.8°C about the same | 1.7°C about the same | 660 mm |
| Southborough 3.2 mi | 22.3°C about the same | 1.3°C about the same | 706 mm |
| Five Oak Green 3.5 mi | 22.8°C about the same | 1.9°C about the same | 685 mm |
| Plaxtol 4.2 mi | 22.5°C about the same | 1.4°C about the same | 732 mm |
Tonbridge 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 | 8.0°C 46°F | 1.7°C 35°F | 4.9°C | 77 mm 3.0 in |
| February | 8.2°C 47°F | 1.4°C 34°F | 4.8°C | 56 mm 2.2 in |
| March | 10.9°C 52°F | 2.8°C 37°F | 6.9°C | 47 mm 1.8 in |
| April | 14.1°C 57°F | 4.4°C 40°F | 9.3°C | 49 mm 1.9 in |
| May | 17.3°C 63°F | 7.1°C 45°F | 12.2°C | 50 mm 2.0 in |
| June | 20.3°C 68°F | 9.9°C 50°F | 15.1°C | 48 mm 1.9 in |
| July | 22.6°C 73°F | 12.1°C 54°F | 17.3°C | 46 mm 1.8 in |
| August | 22.4°C 72°F | 11.9°C 53°F | 17.1°C | 52 mm 2.0 in |
| September | 19.4°C 67°F | 9.4°C 49°F | 14.4°C | 51 mm 2.0 in |
| October | 15.2°C 59°F | 6.9°C 44°F | 11.1°C | 80 mm 3.1 in |
| November | 11.0°C 52°F | 3.9°C 39°F | 7.4°C | 80 mm 3.2 in |
| December | 8.3°C 47°F | 1.9°C 35°F | 5.1°C | 79 mm 3.1 in |
| Year | 14.8°C | 6.1°C | 10.5°C | 714 mm |
Where Tonbridge’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 3 Met Office 2 km grid squares whose centre lies inside Tonbridge’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, 30 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 Tonbridge’s climate
How warm does Tonbridge get in summer?
July is the warmest month, with average highs of 22.6°C (73°F). About 20 days a year reach 25°C (77°F), more than 89% of UK towns.
How cold does Tonbridge get in winter?
February nights average 1.4°C (34°F). The air drops below freezing on about 47 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Tonbridge get?
About 714 mm (28 in) a year, less than 62% of UK towns. November is the wettest month (80 mm) and July the driest (46 mm).
How sunny is it?
The nearest Met Office station with a sunshine record, Eastbourne (30 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 Tonbridge. 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 Tonbridge →
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