| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 7.1° | 1.3° | 53.2mm | 14.9 | 28 |
| February | 8.2° | 1.6° | 45.6mm | 12.6 | 36 |
| March | 10.2° | 2.5° | 40.1mm | 12.3 | 44 |
| April | 12.7° | 3.9° | 46.9mm | 11.1 | 54 |
| May | 15.7° | 6.7° | 46.1mm | 12.9 | 60 |
| June | 18.3° | 9.4° | 60.3mm | 11.9 | 71 |
| July | 20.3° | 11.5° | 65.9mm | 13.9 | 72 |
| August | 20° | 11.5° | 60.4mm | 13.5 | 73 |
| September | 17.6° | 9.5° | 53.2mm | 11.9 | 69 |
| October | 13.8° | 6.8° | 69.4mm | 15.8 | 50 |
| November | 9.8° | 3.7° | 73.9mm | 15.5 | 37 |
| December | 7.5° | 1.6° | 60.4mm | 15.6 | 29 |
January in Stockton-on-Tees averages a daily high of 7.1°C with nights around 1.3°C. Expect roughly 14.9 wet days totalling 53.2mm. A hard month to visit for comfort alone.
February in Stockton-on-Tees averages a daily high of 8.2°C with nights around 1.6°C. Expect roughly 12.6 wet days totalling 45.6mm. Demanding conditions — pack for it and plan indoor options.
March in Stockton-on-Tees averages a daily high of 10.2°C with nights around 2.5°C. Expect roughly 12.3 wet days totalling 40.1mm. Demanding conditions — pack for it and plan indoor options.
April in Stockton-on-Tees averages a daily high of 12.7°C with nights around 3.9°C. Expect roughly 11.1 wet days totalling 46.9mm. Demanding conditions — pack for it and plan indoor options.
May in Stockton-on-Tees averages a daily high of 15.7°C with nights around 6.7°C. Expect roughly 12.9 wet days totalling 46.1mm. Generally workable, with some weather to plan around.
June in Stockton-on-Tees averages a daily high of 18.3°C with nights around 9.4°C. Expect roughly 11.9 wet days totalling 60.3mm. Generally workable, with some weather to plan around.
July in Stockton-on-Tees averages a daily high of 20.3°C with nights around 11.5°C. Expect roughly 13.9 wet days totalling 65.9mm. Generally workable, with some weather to plan around.
August in Stockton-on-Tees averages a daily high of 20°C with nights around 11.5°C. Expect roughly 13.5 wet days totalling 60.4mm. Generally workable, with some weather to plan around.
September in Stockton-on-Tees averages a daily high of 17.6°C with nights around 9.5°C. Expect roughly 11.9 wet days totalling 53.2mm. Generally workable, with some weather to plan around.
October in Stockton-on-Tees averages a daily high of 13.8°C with nights around 6.8°C. Expect roughly 15.8 wet days totalling 69.4mm. Demanding conditions — pack for it and plan indoor options.
November in Stockton-on-Tees averages a daily high of 9.8°C with nights around 3.7°C. Expect roughly 15.5 wet days totalling 73.9mm. Demanding conditions — pack for it and plan indoor options.
December in Stockton-on-Tees averages a daily high of 7.5°C with nights around 1.6°C. Expect roughly 15.6 wet days totalling 60.4mm. 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. Stockton-on-Tees peaks at 73.
Based on 30 years of records, June–September scores highest for comfort in Stockton-on-Tees, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 20.3°C.
November is the wettest, averaging 73.9mm of rain across roughly 15.5 wet days.
January is the coolest month, with average daily highs around 7.1°C.