| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 14.5° | 7.1° | 134.4mm | 10.4 | 62 |
| February | 16.3° | 8° | 117.7mm | 9.2 | 70 |
| March | 18° | 8.7° | 96.7mm | 8.1 | 77 |
| April | 19.5° | 9.7° | 42.6mm | 5.1 | 88 |
| May | 20.7° | 11.2° | 22.4mm | 3.5 | 93 |
| June | 22.4° | 12.4° | 5.7mm | 1 | 98 |
| July | 21.5° | 13° | 0mm | 0 | 100 |
| August | 22.4° | 13.7° | 1.3mm | 0.1 | 100 |
| September | 24.1° | 13.9° | 0.9mm | 0.4 | 99 |
| October | 23° | 12.4° | 33.2mm | 2.5 | 95 |
| November | 18.3° | 9.8° | 65mm | 6.3 | 82 |
| December | 14.7° | 7.4° | 144mm | 10.3 | 62 |
January in Richmond averages a daily high of 14.5°C with nights around 7.1°C. Expect roughly 10.4 wet days totalling 134.4mm. Generally workable, with some weather to plan around.
February in Richmond averages a daily high of 16.3°C with nights around 8°C. Expect roughly 9.2 wet days totalling 117.7mm. Generally workable, with some weather to plan around.
March in Richmond averages a daily high of 18°C with nights around 8.7°C. Expect roughly 8.1 wet days totalling 96.7mm. Comfortable conditions for being outdoors all day.
April in Richmond averages a daily high of 19.5°C with nights around 9.7°C. Expect roughly 5.1 wet days totalling 42.6mm. Comfortable conditions for being outdoors all day.
May in Richmond averages a daily high of 20.7°C with nights around 11.2°C. Expect roughly 3.5 wet days totalling 22.4mm. Comfortable conditions for being outdoors all day.
June in Richmond averages a daily high of 22.4°C with nights around 12.4°C. Rain is rare — about 1 wet days and 5.7mm across the month. Comfortable conditions for being outdoors all day.
July in Richmond averages a daily high of 21.5°C with nights around 13°C. Rain is rare — about 0 wet days and 0mm across the month. Comfortable conditions for being outdoors all day.
August in Richmond averages a daily high of 22.4°C with nights around 13.7°C. Rain is rare — about 0.1 wet days and 1.3mm across the month. Comfortable conditions for being outdoors all day.
September in Richmond averages a daily high of 24.1°C with nights around 13.9°C. Rain is rare — about 0.4 wet days and 0.9mm across the month. Comfortable conditions for being outdoors all day.
October in Richmond averages a daily high of 23°C with nights around 12.4°C. Rain is rare — about 2.5 wet days and 33.2mm across the month. Comfortable conditions for being outdoors all day.
November in Richmond averages a daily high of 18.3°C with nights around 9.8°C. Expect roughly 6.3 wet days totalling 65mm. Comfortable conditions for being outdoors all day.
December in Richmond averages a daily high of 14.7°C with nights around 7.4°C. Expect roughly 10.3 wet days totalling 144mm. 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. Richmond peaks at 100.
Based on 30 years of records, May–October scores highest for comfort in Richmond, balancing daytime temperature against rainfall.
September is the warmest, averaging a daily high of 24.1°C.
December is the wettest, averaging 144mm of rain across roughly 10.3 wet days.
January is the coolest month, with average daily highs around 14.5°C.