| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.8° | 0.5° | 62.2mm | 14.9 | 23 |
| February | 7.6° | 1° | 61.1mm | 13.8 | 31 |
| March | 11.2° | 2.2° | 51.3mm | 13 | 46 |
| April | 15.7° | 4.4° | 40.6mm | 10.5 | 65 |
| May | 19.6° | 8.2° | 57.3mm | 11.9 | 75 |
| June | 22.9° | 11.2° | 64.8mm | 11.4 | 77 |
| July | 24.5° | 13.2° | 73mm | 13 | 74 |
| August | 24.3° | 12.9° | 74.6mm | 12.2 | 76 |
| September | 20.5° | 10.2° | 59mm | 11.7 | 77 |
| October | 15.5° | 7.4° | 63.5mm | 13.1 | 59 |
| November | 9.9° | 3.8° | 65.4mm | 14.4 | 39 |
| December | 6.4° | 1.4° | 70.3mm | 15.6 | 26 |
January in Venlo averages a daily high of 5.8°C with nights around 0.5°C. Expect roughly 14.9 wet days totalling 62.2mm. A hard month to visit for comfort alone.
February in Venlo averages a daily high of 7.6°C with nights around 1°C. Expect roughly 13.8 wet days totalling 61.1mm. A hard month to visit for comfort alone.
March in Venlo averages a daily high of 11.2°C with nights around 2.2°C. Expect roughly 13 wet days totalling 51.3mm. Demanding conditions — pack for it and plan indoor options.
April in Venlo averages a daily high of 15.7°C with nights around 4.4°C. Expect roughly 10.5 wet days totalling 40.6mm. Generally workable, with some weather to plan around.
May in Venlo averages a daily high of 19.6°C with nights around 8.2°C. Expect roughly 11.9 wet days totalling 57.3mm. Comfortable conditions for being outdoors all day.
June in Venlo averages a daily high of 22.9°C with nights around 11.2°C. Expect roughly 11.4 wet days totalling 64.8mm. Comfortable conditions for being outdoors all day.
July in Venlo averages a daily high of 24.5°C with nights around 13.2°C. Expect roughly 13 wet days totalling 73mm. Generally workable, with some weather to plan around.
August in Venlo averages a daily high of 24.3°C with nights around 12.9°C. Expect roughly 12.2 wet days totalling 74.6mm. Comfortable conditions for being outdoors all day.
September in Venlo averages a daily high of 20.5°C with nights around 10.2°C. Expect roughly 11.7 wet days totalling 59mm. Comfortable conditions for being outdoors all day.
October in Venlo averages a daily high of 15.5°C with nights around 7.4°C. Expect roughly 13.1 wet days totalling 63.5mm. Generally workable, with some weather to plan around.
November in Venlo averages a daily high of 9.9°C with nights around 3.8°C. Expect roughly 14.4 wet days totalling 65.4mm. Demanding conditions — pack for it and plan indoor options.
December in Venlo averages a daily high of 6.4°C with nights around 1.4°C. Expect roughly 15.6 wet days totalling 70.3mm. 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. Venlo peaks at 77.
Based on 30 years of records, May–September scores highest for comfort in Venlo, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 24.5°C.
August is the wettest, averaging 74.6mm of rain across roughly 12.2 wet days.
January is the coolest month, with average daily highs around 5.8°C.