| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 0.4° | -6.8° | 56.7mm | 13.3 | 5 |
| February | 2.2° | -6.1° | 54.8mm | 10.8 | 11 |
| March | 8.1° | -1.7° | 62.9mm | 10.7 | 35 |
| April | 15.1° | 4° | 80.5mm | 12.5 | 59 |
| May | 21.5° | 10.2° | 94mm | 12.9 | 74 |
| June | 26.7° | 15.8° | 83.1mm | 11.1 | 78 |
| July | 28.8° | 18.1° | 90.6mm | 10.4 | 72 |
| August | 27.8° | 17.6° | 88.4mm | 9.8 | 77 |
| September | 24° | 13.4° | 79.1mm | 9.1 | 82 |
| October | 17° | 7° | 64.3mm | 10.8 | 69 |
| November | 9.5° | 1° | 61mm | 10.5 | 44 |
| December | 3.2° | -3.5° | 60.6mm | 13.3 | 11 |
January in Westland averages a daily high of 0.4°C with nights around -6.8°C. Expect roughly 13.3 wet days totalling 56.7mm. A hard month to visit for comfort alone.
February in Westland averages a daily high of 2.2°C with nights around -6.1°C. Expect roughly 10.8 wet days totalling 54.8mm. A hard month to visit for comfort alone.
March in Westland averages a daily high of 8.1°C with nights around -1.7°C. Expect roughly 10.7 wet days totalling 62.9mm. Demanding conditions — pack for it and plan indoor options.
April in Westland averages a daily high of 15.1°C with nights around 4°C. Expect roughly 12.5 wet days totalling 80.5mm. Generally workable, with some weather to plan around.
May in Westland averages a daily high of 21.5°C with nights around 10.2°C. Expect roughly 12.9 wet days totalling 94mm. Generally workable, with some weather to plan around.
June in Westland averages a daily high of 26.7°C with nights around 15.8°C. Expect roughly 11.1 wet days totalling 83.1mm. Comfortable conditions for being outdoors all day.
July in Westland averages a daily high of 28.8°C with nights around 18.1°C. Expect roughly 10.4 wet days totalling 90.6mm. Generally workable, with some weather to plan around.
August in Westland averages a daily high of 27.8°C with nights around 17.6°C. Expect roughly 9.8 wet days totalling 88.4mm. Comfortable conditions for being outdoors all day.
September in Westland averages a daily high of 24°C with nights around 13.4°C. Expect roughly 9.1 wet days totalling 79.1mm. Comfortable conditions for being outdoors all day.
October in Westland averages a daily high of 17°C with nights around 7°C. Expect roughly 10.8 wet days totalling 64.3mm. Generally workable, with some weather to plan around.
November in Westland averages a daily high of 9.5°C with nights around 1°C. Expect roughly 10.5 wet days totalling 61mm. Demanding conditions — pack for it and plan indoor options.
December in Westland averages a daily high of 3.2°C with nights around -3.5°C. Expect roughly 13.3 wet days totalling 60.6mm. A hard month to visit for comfort alone.
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. Westland peaks at 82.
Based on 30 years of records, May–June scores highest for comfort in Westland, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 28.8°C.
May is the wettest, averaging 94mm of rain across roughly 12.9 wet days.
January is the coolest month, with average daily highs around 0.4°C.