| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 1.7° | -6.7° | 76mm | 10.1 | 12 |
| February | 4.1° | -4.7° | 65.9mm | 8 | 23 |
| March | 10.3° | 0° | 90.7mm | 10.4 | 45 |
| April | 17.3° | 5.3° | 105.6mm | 11.7 | 68 |
| May | 22.7° | 11.2° | 118.9mm | 12.8 | 74 |
| June | 27.2° | 16.3° | 134.9mm | 11.6 | 76 |
| July | 28.7° | 17.7° | 106.4mm | 9.2 | 75 |
| August | 28.1° | 17.1° | 85.3mm | 8.3 | 79 |
| September | 25° | 12.9° | 79.5mm | 7.4 | 85 |
| October | 18.2° | 6.9° | 88.3mm | 9.6 | 75 |
| November | 10.8° | 1.4° | 82.4mm | 9.4 | 51 |
| December | 4.2° | -3.8° | 80.4mm | 10.8 | 19 |
January in Anderson averages a daily high of 1.7°C with nights around -6.7°C. Expect roughly 10.1 wet days totalling 76mm. A hard month to visit for comfort alone.
February in Anderson averages a daily high of 4.1°C with nights around -4.7°C. Expect roughly 8 wet days totalling 65.9mm. A hard month to visit for comfort alone.
March in Anderson averages a daily high of 10.3°C with nights around 0°C. Expect roughly 10.4 wet days totalling 90.7mm. Demanding conditions — pack for it and plan indoor options.
April in Anderson averages a daily high of 17.3°C with nights around 5.3°C. Expect roughly 11.7 wet days totalling 105.6mm. Generally workable, with some weather to plan around.
May in Anderson averages a daily high of 22.7°C with nights around 11.2°C. Expect roughly 12.8 wet days totalling 118.9mm. Generally workable, with some weather to plan around.
June in Anderson averages a daily high of 27.2°C with nights around 16.3°C. Expect roughly 11.6 wet days totalling 134.9mm. Comfortable conditions for being outdoors all day.
July in Anderson averages a daily high of 28.7°C with nights around 17.7°C. Expect roughly 9.2 wet days totalling 106.4mm. Comfortable conditions for being outdoors all day.
August in Anderson averages a daily high of 28.1°C with nights around 17.1°C. Expect roughly 8.3 wet days totalling 85.3mm. Comfortable conditions for being outdoors all day.
September in Anderson averages a daily high of 25°C with nights around 12.9°C. Expect roughly 7.4 wet days totalling 79.5mm. Comfortable conditions for being outdoors all day.
October in Anderson averages a daily high of 18.2°C with nights around 6.9°C. Expect roughly 9.6 wet days totalling 88.3mm. Comfortable conditions for being outdoors all day.
November in Anderson averages a daily high of 10.8°C with nights around 1.4°C. Expect roughly 9.4 wet days totalling 82.4mm. Demanding conditions — pack for it and plan indoor options.
December in Anderson averages a daily high of 4.2°C with nights around -3.8°C. Expect roughly 10.8 wet days totalling 80.4mm. 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. Anderson peaks at 85.
Based on 30 years of records, August–September scores highest for comfort in Anderson, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 28.7°C.
June is the wettest, averaging 134.9mm of rain across roughly 11.6 wet days.
January is the coolest month, with average daily highs around 1.7°C.