| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 15° | -1.5° | 10.2mm | 2.6 | 74 |
| February | 17.8° | 0.5° | 9.3mm | 2.4 | 86 |
| March | 21.9° | 4° | 6mm | 1.9 | 96 |
| April | 26° | 7.9° | 4.9mm | 1.4 | 97 |
| May | 31° | 12.3° | 7.9mm | 1.5 | 81 |
| June | 35.7° | 18.2° | 18.3mm | 3.3 | 59 |
| July | 35.6° | 20.8° | 42.1mm | 8.6 | 48 |
| August | 34.4° | 20.1° | 38.2mm | 7.9 | 55 |
| September | 31.6° | 16.5° | 34.3mm | 5 | 72 |
| October | 26.5° | 9.5° | 20.9mm | 3.8 | 92 |
| November | 20.2° | 2.8° | 11.2mm | 2.5 | 95 |
| December | 14.9° | -1.1° | 11.9mm | 2.7 | 74 |
January in Las Cruces averages a daily high of 15°C with nights around -1.5°C. Rain is rare — about 2.6 wet days and 10.2mm across the month. Generally workable, with some weather to plan around.
February in Las Cruces averages a daily high of 17.8°C with nights around 0.5°C. Rain is rare — about 2.4 wet days and 9.3mm across the month. Comfortable conditions for being outdoors all day.
March in Las Cruces averages a daily high of 21.9°C with nights around 4°C. Rain is rare — about 1.9 wet days and 6mm across the month. Comfortable conditions for being outdoors all day.
April in Las Cruces averages a daily high of 26°C with nights around 7.9°C. Rain is rare — about 1.4 wet days and 4.9mm across the month. Comfortable conditions for being outdoors all day.
May in Las Cruces averages a daily high of 31°C with nights around 12.3°C. Rain is rare — about 1.5 wet days and 7.9mm across the month. Comfortable conditions for being outdoors all day.
June in Las Cruces averages a daily high of 35.7°C with nights around 18.2°C. Expect roughly 3.3 wet days totalling 18.3mm. Generally workable, with some weather to plan around.
July in Las Cruces averages a daily high of 35.6°C with nights around 20.8°C. Expect roughly 8.6 wet days totalling 42.1mm. Demanding conditions — pack for it and plan indoor options.
August in Las Cruces averages a daily high of 34.4°C with nights around 20.1°C. Expect roughly 7.9 wet days totalling 38.2mm. Generally workable, with some weather to plan around.
September in Las Cruces averages a daily high of 31.6°C with nights around 16.5°C. Expect roughly 5 wet days totalling 34.3mm. Generally workable, with some weather to plan around.
October in Las Cruces averages a daily high of 26.5°C with nights around 9.5°C. Expect roughly 3.8 wet days totalling 20.9mm. Comfortable conditions for being outdoors all day.
November in Las Cruces averages a daily high of 20.2°C with nights around 2.8°C. Rain is rare — about 2.5 wet days and 11.2mm across the month. Comfortable conditions for being outdoors all day.
December in Las Cruces averages a daily high of 14.9°C with nights around -1.1°C. Rain is rare — about 2.7 wet days and 11.9mm across the month. 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. Las Cruces peaks at 97.
Based on 30 years of records, March–April scores highest for comfort in Las Cruces, balancing daytime temperature against rainfall.
June is the warmest, averaging a daily high of 35.7°C.
July is the wettest, averaging 42.1mm of rain across roughly 8.6 wet days.
December is the coolest month, with average daily highs around 14.9°C.