| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 9.2° | -4.2° | 34.9mm | 6.4 | 43 |
| February | 11.6° | -3.1° | 23.8mm | 5.1 | 55 |
| March | 15.3° | -0.7° | 17.2mm | 4.4 | 72 |
| April | 18.4° | 1.9° | 14mm | 3.6 | 88 |
| May | 23.4° | 5.5° | 17.1mm | 4.2 | 92 |
| June | 29.5° | 9.5° | 9.1mm | 2.3 | 85 |
| July | 33.5° | 12.8° | 10.5mm | 1.9 | 70 |
| August | 32.9° | 11.5° | 8.5mm | 1.8 | 73 |
| September | 28.7° | 7.6° | 6.5mm | 1.5 | 90 |
| October | 21.7° | 1.9° | 16.6mm | 2.7 | 94 |
| November | 14.5° | -1.7° | 16.9mm | 3.7 | 69 |
| December | 8.4° | -4.4° | 30.5mm | 5.7 | 42 |
January in Sparks averages a daily high of 9.2°C with nights around -4.2°C. Expect roughly 6.4 wet days totalling 34.9mm. Demanding conditions — pack for it and plan indoor options.
February in Sparks averages a daily high of 11.6°C with nights around -3.1°C. Expect roughly 5.1 wet days totalling 23.8mm. Generally workable, with some weather to plan around.
March in Sparks averages a daily high of 15.3°C with nights around -0.7°C. Expect roughly 4.4 wet days totalling 17.2mm. Generally workable, with some weather to plan around.
April in Sparks averages a daily high of 18.4°C with nights around 1.9°C. Expect roughly 3.6 wet days totalling 14mm. Comfortable conditions for being outdoors all day.
May in Sparks averages a daily high of 23.4°C with nights around 5.5°C. Expect roughly 4.2 wet days totalling 17.1mm. Comfortable conditions for being outdoors all day.
June in Sparks averages a daily high of 29.5°C with nights around 9.5°C. Rain is rare — about 2.3 wet days and 9.1mm across the month. Comfortable conditions for being outdoors all day.
July in Sparks averages a daily high of 33.5°C with nights around 12.8°C. Rain is rare — about 1.9 wet days and 10.5mm across the month. Generally workable, with some weather to plan around.
August in Sparks averages a daily high of 32.9°C with nights around 11.5°C. Rain is rare — about 1.8 wet days and 8.5mm across the month. Generally workable, with some weather to plan around.
September in Sparks averages a daily high of 28.7°C with nights around 7.6°C. Rain is rare — about 1.5 wet days and 6.5mm across the month. Comfortable conditions for being outdoors all day.
October in Sparks averages a daily high of 21.7°C with nights around 1.9°C. Rain is rare — about 2.7 wet days and 16.6mm across the month. Comfortable conditions for being outdoors all day.
November in Sparks averages a daily high of 14.5°C with nights around -1.7°C. Expect roughly 3.7 wet days totalling 16.9mm. Generally workable, with some weather to plan around.
December in Sparks averages a daily high of 8.4°C with nights around -4.4°C. Expect roughly 5.7 wet days totalling 30.5mm. Demanding conditions — pack for it and plan indoor options.
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. Sparks peaks at 94.
Based on 30 years of records, April–May scores highest for comfort in Sparks, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 33.5°C.
January is the wettest, averaging 34.9mm of rain across roughly 6.4 wet days.
December is the coolest month, with average daily highs around 8.4°C.