| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 12° | 0.7° | 94mm | 10.7 | 51 |
| February | 14.1° | 1.9° | 90.2mm | 10.4 | 60 |
| March | 18.1° | 5.4° | 99.3mm | 11.1 | 72 |
| April | 23.1° | 10.1° | 95.7mm | 9.6 | 81 |
| May | 27° | 15.1° | 105.3mm | 11.2 | 78 |
| June | 30.8° | 19.6° | 117.2mm | 10.1 | 65 |
| July | 32.3° | 21.7° | 163.4mm | 12 | 55 |
| August | 31.5° | 21.1° | 158.9mm | 11.5 | 59 |
| September | 28.4° | 18° | 186mm | 10.5 | 73 |
| October | 23.5° | 11.4° | 82.5mm | 7.8 | 84 |
| November | 17.9° | 5.1° | 85.6mm | 9.1 | 75 |
| December | 13.7° | 2° | 91.7mm | 10.2 | 59 |
January in Greenville averages a daily high of 12°C with nights around 0.7°C. Expect roughly 10.7 wet days totalling 94mm. Demanding conditions — pack for it and plan indoor options.
February in Greenville averages a daily high of 14.1°C with nights around 1.9°C. Expect roughly 10.4 wet days totalling 90.2mm. Generally workable, with some weather to plan around.
March in Greenville averages a daily high of 18.1°C with nights around 5.4°C. Expect roughly 11.1 wet days totalling 99.3mm. Generally workable, with some weather to plan around.
April in Greenville averages a daily high of 23.1°C with nights around 10.1°C. Expect roughly 9.6 wet days totalling 95.7mm. Comfortable conditions for being outdoors all day.
May in Greenville averages a daily high of 27°C with nights around 15.1°C. Expect roughly 11.2 wet days totalling 105.3mm. Comfortable conditions for being outdoors all day.
June in Greenville averages a daily high of 30.8°C with nights around 19.6°C. Expect roughly 10.1 wet days totalling 117.2mm. Generally workable, with some weather to plan around.
July in Greenville averages a daily high of 32.3°C with nights around 21.7°C. Expect roughly 12 wet days totalling 163.4mm. Generally workable, with some weather to plan around.
August in Greenville averages a daily high of 31.5°C with nights around 21.1°C. Expect roughly 11.5 wet days totalling 158.9mm. Generally workable, with some weather to plan around.
September in Greenville averages a daily high of 28.4°C with nights around 18°C. Expect roughly 10.5 wet days totalling 186mm. Generally workable, with some weather to plan around.
October in Greenville averages a daily high of 23.5°C with nights around 11.4°C. Expect roughly 7.8 wet days totalling 82.5mm. Comfortable conditions for being outdoors all day.
November in Greenville averages a daily high of 17.9°C with nights around 5.1°C. Expect roughly 9.1 wet days totalling 85.6mm. Comfortable conditions for being outdoors all day.
December in Greenville averages a daily high of 13.7°C with nights around 2°C. Expect roughly 10.2 wet days totalling 91.7mm. 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. Greenville peaks at 84.
Based on 30 years of records, April–May scores highest for comfort in Greenville, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 32.3°C.
September is the wettest, averaging 186mm of rain across roughly 10.5 wet days.
January is the coolest month, with average daily highs around 12°C.