| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 28° | — | 5.4mm | 3.8 | 88 |
| February | 28.3° | 16.4° | 12.7mm | 2.4 | 90 |
| March | 27° | — | 26.6mm | 4.5 | 91 |
| April | 24.7° | — | 37.8mm | 7.8 | 84 |
| May | 21.7° | — | 71.2mm | 10.3 | 79 |
| June | 19.2° | — | 85.6mm | 12.2 | 73 |
| July | 18.5° | 6.1° | 60.6mm | 9.3 | 77 |
| August | 19° | — | 73mm | 12.2 | 72 |
| September | 20.2° | 9.1° | 17.5mm | 7 | 86 |
| October | 23.3° | — | 44.4mm | 7 | 86 |
| November | 24.6° | 13.3° | 27.1mm | 6.2 | 88 |
| December | 26.8° | 15.4° | 16.5mm | 4.5 | 91 |
January in Athlone averages a daily high of 28°C. Expect roughly 3.8 wet days totalling 5.4mm. Comfortable conditions for being outdoors all day.
February in Athlone averages a daily high of 28.3°C with nights around 16.4°C. Rain is rare — about 2.4 wet days and 12.7mm across the month. Comfortable conditions for being outdoors all day.
March in Athlone averages a daily high of 27°C. Expect roughly 4.5 wet days totalling 26.6mm. Comfortable conditions for being outdoors all day.
April in Athlone averages a daily high of 24.7°C. Expect roughly 7.8 wet days totalling 37.8mm. Comfortable conditions for being outdoors all day.
May in Athlone averages a daily high of 21.7°C. Expect roughly 10.3 wet days totalling 71.2mm. Comfortable conditions for being outdoors all day.
June in Athlone averages a daily high of 19.2°C. Expect roughly 12.2 wet days totalling 85.6mm. Generally workable, with some weather to plan around.
July in Athlone averages a daily high of 18.5°C with nights around 6.1°C. Expect roughly 9.3 wet days totalling 60.6mm. Comfortable conditions for being outdoors all day.
August in Athlone averages a daily high of 19°C. Expect roughly 12.2 wet days totalling 73mm. Generally workable, with some weather to plan around.
September in Athlone averages a daily high of 20.2°C with nights around 9.1°C. Expect roughly 7 wet days totalling 17.5mm. Comfortable conditions for being outdoors all day.
October in Athlone averages a daily high of 23.3°C. Expect roughly 7 wet days totalling 44.4mm. Comfortable conditions for being outdoors all day.
November in Athlone averages a daily high of 24.6°C with nights around 13.3°C. Expect roughly 6.2 wet days totalling 27.1mm. Comfortable conditions for being outdoors all day.
December in Athlone averages a daily high of 26.8°C with nights around 15.4°C. Expect roughly 4.5 wet days totalling 16.5mm. 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. Athlone peaks at 91.
Based on 30 years of records, September–April scores highest for comfort in Athlone, balancing daytime temperature against rainfall.
February is the warmest, averaging a daily high of 28.3°C.
June is the wettest, averaging 85.6mm of rain across roughly 12.2 wet days.
July is the coolest month, with average daily highs around 18.5°C.