| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 2.9° | -2.8° | 158.5mm | 14.9 | 8 |
| February | 3.5° | -2.7° | 120.6mm | 12 | 16 |
| March | 5.9° | -1.1° | 130.9mm | 12.8 | 25 |
| April | 8.5° | 0.7° | 129.4mm | 13.6 | 34 |
| May | 13.1° | 4.1° | 108.4mm | 12.3 | 53 |
| June | 19° | 8.9° | 52.6mm | 7.2 | 82 |
| July | 23.2° | 11.9° | 16.2mm | 3.5 | 93 |
| August | 23.2° | 12.1° | 33.4mm | 3.9 | 92 |
| September | 17.6° | 8.4° | 69mm | 8 | 76 |
| October | 12° | 5° | 169.3mm | 12.4 | 50 |
| November | 5.5° | 0° | 178.2mm | 15.9 | 21 |
| December | 4.1° | -1.5° | 156.1mm | 14.1 | 16 |
January in Collado-Villalba averages a daily high of 2.9°C with nights around -2.8°C. Expect roughly 14.9 wet days totalling 158.5mm. A hard month to visit for comfort alone.
February in Collado-Villalba averages a daily high of 3.5°C with nights around -2.7°C. Expect roughly 12 wet days totalling 120.6mm. A hard month to visit for comfort alone.
March in Collado-Villalba averages a daily high of 5.9°C with nights around -1.1°C. Expect roughly 12.8 wet days totalling 130.9mm. A hard month to visit for comfort alone.
April in Collado-Villalba averages a daily high of 8.5°C with nights around 0.7°C. Expect roughly 13.6 wet days totalling 129.4mm. A hard month to visit for comfort alone.
May in Collado-Villalba averages a daily high of 13.1°C with nights around 4.1°C. Expect roughly 12.3 wet days totalling 108.4mm. Demanding conditions — pack for it and plan indoor options.
June in Collado-Villalba averages a daily high of 19°C with nights around 8.9°C. Expect roughly 7.2 wet days totalling 52.6mm. Comfortable conditions for being outdoors all day.
July in Collado-Villalba averages a daily high of 23.2°C with nights around 11.9°C. Expect roughly 3.5 wet days totalling 16.2mm. Comfortable conditions for being outdoors all day.
August in Collado-Villalba averages a daily high of 23.2°C with nights around 12.1°C. Expect roughly 3.9 wet days totalling 33.4mm. Comfortable conditions for being outdoors all day.
September in Collado-Villalba averages a daily high of 17.6°C with nights around 8.4°C. Expect roughly 8 wet days totalling 69mm. Comfortable conditions for being outdoors all day.
October in Collado-Villalba averages a daily high of 12°C with nights around 5°C. Expect roughly 12.4 wet days totalling 169.3mm. Demanding conditions — pack for it and plan indoor options.
November in Collado-Villalba averages a daily high of 5.5°C with nights around 0°C. Expect roughly 15.9 wet days totalling 178.2mm. A hard month to visit for comfort alone.
December in Collado-Villalba averages a daily high of 4.1°C with nights around -1.5°C. Expect roughly 14.1 wet days totalling 156.1mm. 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. Collado-Villalba peaks at 93.
Based on 30 years of records, July–August scores highest for comfort in Collado-Villalba, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 23.2°C.
November is the wettest, averaging 178.2mm of rain across roughly 15.9 wet days.
January is the coolest month, with average daily highs around 2.9°C.