| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 7.6° | 1.4° | 99mm | 18.1 | 29 |
| February | 8.4° | 2° | 76.5mm | 15.2 | 33 |
| March | 10.9° | 3° | 61.1mm | 13.7 | 43 |
| April | 14° | 4.1° | 49.8mm | 10.8 | 59 |
| May | 17.1° | 7.1° | 55.3mm | 12.1 | 67 |
| June | 20.2° | 10.1° | 46.3mm | 9.8 | 80 |
| July | 22.4° | 12.1° | 52.2mm | 10.5 | 79 |
| August | 21.9° | 12.2° | 68.7mm | 11.5 | 77 |
| September | 19.4° | 9.9° | 57.5mm | 11.1 | 76 |
| October | 15.5° | 8.1° | 100.3mm | 16.6 | 56 |
| November | 11° | 4.4° | 107.6mm | 16.9 | 41 |
| December | 8.5° | 2.4° | 102mm | 17.4 | 33 |
January in Royal Tunbridge Wells averages a daily high of 7.6°C with nights around 1.4°C. Expect roughly 18.1 wet days totalling 99mm. A hard month to visit for comfort alone.
February in Royal Tunbridge Wells averages a daily high of 8.4°C with nights around 2°C. Expect roughly 15.2 wet days totalling 76.5mm. A hard month to visit for comfort alone.
March in Royal Tunbridge Wells averages a daily high of 10.9°C with nights around 3°C. Expect roughly 13.7 wet days totalling 61.1mm. Demanding conditions — pack for it and plan indoor options.
April in Royal Tunbridge Wells averages a daily high of 14°C with nights around 4.1°C. Expect roughly 10.8 wet days totalling 49.8mm. Generally workable, with some weather to plan around.
May in Royal Tunbridge Wells averages a daily high of 17.1°C with nights around 7.1°C. Expect roughly 12.1 wet days totalling 55.3mm. Generally workable, with some weather to plan around.
June in Royal Tunbridge Wells averages a daily high of 20.2°C with nights around 10.1°C. Expect roughly 9.8 wet days totalling 46.3mm. Comfortable conditions for being outdoors all day.
July in Royal Tunbridge Wells averages a daily high of 22.4°C with nights around 12.1°C. Expect roughly 10.5 wet days totalling 52.2mm. Comfortable conditions for being outdoors all day.
August in Royal Tunbridge Wells averages a daily high of 21.9°C with nights around 12.2°C. Expect roughly 11.5 wet days totalling 68.7mm. Comfortable conditions for being outdoors all day.
September in Royal Tunbridge Wells averages a daily high of 19.4°C with nights around 9.9°C. Expect roughly 11.1 wet days totalling 57.5mm. Comfortable conditions for being outdoors all day.
October in Royal Tunbridge Wells averages a daily high of 15.5°C with nights around 8.1°C. Expect roughly 16.6 wet days totalling 100.3mm. Generally workable, with some weather to plan around.
November in Royal Tunbridge Wells averages a daily high of 11°C with nights around 4.4°C. Expect roughly 16.9 wet days totalling 107.6mm. Demanding conditions — pack for it and plan indoor options.
December in Royal Tunbridge Wells averages a daily high of 8.5°C with nights around 2.4°C. Expect roughly 17.4 wet days totalling 102mm. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Royal Tunbridge Wells peaks at 80.
Based on 30 years of records, June–September scores highest for comfort in Royal Tunbridge Wells, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 22.4°C.
November is the wettest, averaging 107.6mm of rain across roughly 16.9 wet days.
January is the coolest month, with average daily highs around 7.6°C.