| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 16° | 2.4° | 60.9mm | 6.5 | 74 |
| February | 18.4° | 5° | 47.8mm | 6.8 | 81 |
| March | 21.9° | 8.8° | 71.5mm | 8.7 | 83 |
| April | 25.9° | 12.9° | 73.9mm | 7 | 86 |
| May | 29.8° | 17.9° | 112mm | 8.2 | 72 |
| June | 33.6° | 21.5° | 97.7mm | 6.6 | 60 |
| July | 35.6° | 22.9° | 56.6mm | 5.1 | 55 |
| August | 36.2° | 23° | 66.3mm | 4.4 | 54 |
| September | 32.7° | 20° | 94mm | 5.7 | 66 |
| October | 27.5° | 14.1° | 101.9mm | 6.4 | 85 |
| November | 20.9° | 8.2° | 79.4mm | 7.7 | 85 |
| December | 16.5° | 4° | 54.6mm | 7 | 75 |
January in Georgetown averages a daily high of 16°C with nights around 2.4°C. Expect roughly 6.5 wet days totalling 60.9mm. Generally workable, with some weather to plan around.
February in Georgetown averages a daily high of 18.4°C with nights around 5°C. Expect roughly 6.8 wet days totalling 47.8mm. Comfortable conditions for being outdoors all day.
March in Georgetown averages a daily high of 21.9°C with nights around 8.8°C. Expect roughly 8.7 wet days totalling 71.5mm. Comfortable conditions for being outdoors all day.
April in Georgetown averages a daily high of 25.9°C with nights around 12.9°C. Expect roughly 7 wet days totalling 73.9mm. Comfortable conditions for being outdoors all day.
May in Georgetown averages a daily high of 29.8°C with nights around 17.9°C. Expect roughly 8.2 wet days totalling 112mm. Generally workable, with some weather to plan around.
June in Georgetown averages a daily high of 33.6°C with nights around 21.5°C. Expect roughly 6.6 wet days totalling 97.7mm. Generally workable, with some weather to plan around.
July in Georgetown averages a daily high of 35.6°C with nights around 22.9°C. Expect roughly 5.1 wet days totalling 56.6mm. Generally workable, with some weather to plan around.
August in Georgetown averages a daily high of 36.2°C with nights around 23°C. Expect roughly 4.4 wet days totalling 66.3mm. Demanding conditions — pack for it and plan indoor options.
September in Georgetown averages a daily high of 32.7°C with nights around 20°C. Expect roughly 5.7 wet days totalling 94mm. Generally workable, with some weather to plan around.
October in Georgetown averages a daily high of 27.5°C with nights around 14.1°C. Expect roughly 6.4 wet days totalling 101.9mm. Comfortable conditions for being outdoors all day.
November in Georgetown averages a daily high of 20.9°C with nights around 8.2°C. Expect roughly 7.7 wet days totalling 79.4mm. Comfortable conditions for being outdoors all day.
December in Georgetown averages a daily high of 16.5°C with nights around 4°C. Expect roughly 7 wet days totalling 54.6mm. Comfortable conditions for being outdoors all day.
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. Georgetown peaks at 86.
Based on 30 years of records, February–April scores highest for comfort in Georgetown, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 36.2°C.
May is the wettest, averaging 112mm of rain across roughly 8.2 wet days.
January is the coolest month, with average daily highs around 16°C.