| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 15.3° | 4.7° | 74.6mm | 8.6 | 68 |
| February | 16.6° | 5.9° | 86.1mm | 8.4 | 72 |
| March | 19.8° | 9° | 80.7mm | 8.3 | 83 |
| April | 23.9° | 13.8° | 81.4mm | 7 | 86 |
| May | 27.9° | 19° | 70.6mm | 6.5 | 83 |
| June | 31.1° | 22.3° | 134.9mm | 10.1 | 63 |
| July | 32.5° | 23.7° | 163.1mm | 11.7 | 55 |
| August | 31.9° | 23.3° | 180.5mm | 11.6 | 57 |
| September | 29.5° | 21° | 129.2mm | 8.9 | 72 |
| October | 25.3° | 15.1° | 94.4mm | 7.3 | 85 |
| November | 20.2° | 9.5° | 65.9mm | 6.8 | 86 |
| December | 17.2° | 6.6° | 83.7mm | 8.6 | 74 |
January in Mount Pleasant averages a daily high of 15.3°C with nights around 4.7°C. Expect roughly 8.6 wet days totalling 74.6mm. Generally workable, with some weather to plan around.
February in Mount Pleasant averages a daily high of 16.6°C with nights around 5.9°C. Expect roughly 8.4 wet days totalling 86.1mm. Generally workable, with some weather to plan around.
March in Mount Pleasant averages a daily high of 19.8°C with nights around 9°C. Expect roughly 8.3 wet days totalling 80.7mm. Comfortable conditions for being outdoors all day.
April in Mount Pleasant averages a daily high of 23.9°C with nights around 13.8°C. Expect roughly 7 wet days totalling 81.4mm. Comfortable conditions for being outdoors all day.
May in Mount Pleasant averages a daily high of 27.9°C with nights around 19°C. Expect roughly 6.5 wet days totalling 70.6mm. Comfortable conditions for being outdoors all day.
June in Mount Pleasant averages a daily high of 31.1°C with nights around 22.3°C. Expect roughly 10.1 wet days totalling 134.9mm. Generally workable, with some weather to plan around.
July in Mount Pleasant averages a daily high of 32.5°C with nights around 23.7°C. Expect roughly 11.7 wet days totalling 163.1mm. Generally workable, with some weather to plan around.
August in Mount Pleasant averages a daily high of 31.9°C with nights around 23.3°C. Expect roughly 11.6 wet days totalling 180.5mm. Generally workable, with some weather to plan around.
September in Mount Pleasant averages a daily high of 29.5°C with nights around 21°C. Expect roughly 8.9 wet days totalling 129.2mm. Generally workable, with some weather to plan around.
October in Mount Pleasant averages a daily high of 25.3°C with nights around 15.1°C. Expect roughly 7.3 wet days totalling 94.4mm. Comfortable conditions for being outdoors all day.
November in Mount Pleasant averages a daily high of 20.2°C with nights around 9.5°C. Expect roughly 6.8 wet days totalling 65.9mm. Comfortable conditions for being outdoors all day.
December in Mount Pleasant averages a daily high of 17.2°C with nights around 6.6°C. Expect roughly 8.6 wet days totalling 83.7mm. 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. Mount Pleasant peaks at 86.
Based on 30 years of records, March–May scores highest for comfort in Mount Pleasant, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 32.5°C.
August is the wettest, averaging 180.5mm of rain across roughly 11.6 wet days.
January is the coolest month, with average daily highs around 15.3°C.