| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 29.2° | 21.1° | 160.9mm | 17 | 61 |
| February | 29.6° | 21.2° | 124.5mm | 12.6 | 64 |
| March | 28.9° | 20.5° | 100.9mm | 13 | 66 |
| April | 27° | 17.5° | 143.7mm | 11.2 | 78 |
| May | 25.8° | 14.6° | 32.4mm | 7.2 | 86 |
| June | 24.7° | 11.6° | 40.1mm | 3.7 | 93 |
| July | 23.9° | 11.4° | 91.3mm | 7.6 | 85 |
| August | 24.3° | 13.6° | 53.1mm | 6 | 88 |
| September | 24.7° | 15.4° | 50.7mm | 10.1 | 80 |
| October | 25.3° | 16.8° | 120.8mm | 17.3 | 70 |
| November | 26.5° | 18.2° | 129.6mm | 15.4 | 70 |
| December | 28° | 20.1° | 133.9mm | 17.4 | 66 |
January in Tongaat averages a daily high of 29.2°C with nights around 21.1°C. Expect roughly 17 wet days totalling 160.9mm. Generally workable, with some weather to plan around.
February in Tongaat averages a daily high of 29.6°C with nights around 21.2°C. Expect roughly 12.6 wet days totalling 124.5mm. Generally workable, with some weather to plan around.
March in Tongaat averages a daily high of 28.9°C with nights around 20.5°C. Expect roughly 13 wet days totalling 100.9mm. Generally workable, with some weather to plan around.
April in Tongaat averages a daily high of 27°C with nights around 17.5°C. Expect roughly 11.2 wet days totalling 143.7mm. Comfortable conditions for being outdoors all day.
May in Tongaat averages a daily high of 25.8°C with nights around 14.6°C. Expect roughly 7.2 wet days totalling 32.4mm. Comfortable conditions for being outdoors all day.
June in Tongaat averages a daily high of 24.7°C with nights around 11.6°C. Expect roughly 3.7 wet days totalling 40.1mm. Comfortable conditions for being outdoors all day.
July in Tongaat averages a daily high of 23.9°C with nights around 11.4°C. Expect roughly 7.6 wet days totalling 91.3mm. Comfortable conditions for being outdoors all day.
August in Tongaat averages a daily high of 24.3°C with nights around 13.6°C. Expect roughly 6 wet days totalling 53.1mm. Comfortable conditions for being outdoors all day.
September in Tongaat averages a daily high of 24.7°C with nights around 15.4°C. Expect roughly 10.1 wet days totalling 50.7mm. Comfortable conditions for being outdoors all day.
October in Tongaat averages a daily high of 25.3°C with nights around 16.8°C. Expect roughly 17.3 wet days totalling 120.8mm. Generally workable, with some weather to plan around.
November in Tongaat averages a daily high of 26.5°C with nights around 18.2°C. Expect roughly 15.4 wet days totalling 129.6mm. Generally workable, with some weather to plan around.
December in Tongaat averages a daily high of 28°C with nights around 20.1°C. Expect roughly 17.4 wet days totalling 133.9mm. Generally workable, with some weather to plan around.
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. Tongaat peaks at 93.
Based on 30 years of records, May–August scores highest for comfort in Tongaat, balancing daytime temperature against rainfall.
February is the warmest, averaging a daily high of 29.6°C.
January is the wettest, averaging 160.9mm of rain across roughly 17 wet days.
July is the coolest month, with average daily highs around 23.9°C.