| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 0.9° | -3° | 40.1mm | 13.7 | 10 |
| February | 1.4° | -2.9° | 30.8mm | 11.8 | 14 |
| March | 4.9° | -1.1° | 27mm | 10.1 | 27 |
| April | 10.7° | 2.5° | 27.2mm | 8.9 | 52 |
| May | 16.5° | 7.2° | 37.7mm | 9.9 | 69 |
| June | 21.3° | 12° | 59.2mm | 11.1 | 78 |
| July | 23.7° | 14.8° | 61.3mm | 11.4 | 77 |
| August | 22.4° | 14.3° | 64.5mm | 11.6 | 77 |
| September | 16.9° | 10.4° | 48.2mm | 10.3 | 69 |
| October | 10.4° | 5.8° | 52mm | 13.4 | 42 |
| November | 5.5° | 2° | 48.7mm | 14.6 | 24 |
| December | 2.2° | -1.6° | 46.8mm | 16.2 | 10 |
January in Täby averages a daily high of 0.9°C with nights around -3°C. Expect roughly 13.7 wet days totalling 40.1mm. A hard month to visit for comfort alone.
February in Täby averages a daily high of 1.4°C with nights around -2.9°C. Expect roughly 11.8 wet days totalling 30.8mm. A hard month to visit for comfort alone.
March in Täby averages a daily high of 4.9°C with nights around -1.1°C. Expect roughly 10.1 wet days totalling 27mm. A hard month to visit for comfort alone.
April in Täby averages a daily high of 10.7°C with nights around 2.5°C. Expect roughly 8.9 wet days totalling 27.2mm. Demanding conditions — pack for it and plan indoor options.
May in Täby averages a daily high of 16.5°C with nights around 7.2°C. Expect roughly 9.9 wet days totalling 37.7mm. Generally workable, with some weather to plan around.
June in Täby averages a daily high of 21.3°C with nights around 12°C. Expect roughly 11.1 wet days totalling 59.2mm. Comfortable conditions for being outdoors all day.
July in Täby averages a daily high of 23.7°C with nights around 14.8°C. Expect roughly 11.4 wet days totalling 61.3mm. Comfortable conditions for being outdoors all day.
August in Täby averages a daily high of 22.4°C with nights around 14.3°C. Expect roughly 11.6 wet days totalling 64.5mm. Comfortable conditions for being outdoors all day.
September in Täby averages a daily high of 16.9°C with nights around 10.4°C. Expect roughly 10.3 wet days totalling 48.2mm. Generally workable, with some weather to plan around.
October in Täby averages a daily high of 10.4°C with nights around 5.8°C. Expect roughly 13.4 wet days totalling 52mm. Demanding conditions — pack for it and plan indoor options.
November in Täby averages a daily high of 5.5°C with nights around 2°C. Expect roughly 14.6 wet days totalling 48.7mm. A hard month to visit for comfort alone.
December in Täby averages a daily high of 2.2°C with nights around -1.6°C. Expect roughly 16.2 wet days totalling 46.8mm. 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. Täby peaks at 78.
Based on 30 years of records, June–August scores highest for comfort in Täby, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 23.7°C.
August is the wettest, averaging 64.5mm of rain across roughly 11.6 wet days.
January is the coolest month, with average daily highs around 0.9°C.