| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.7° | 0.7° | 67.7mm | 16.2 | 22 |
| February | 7.1° | 1° | 61.7mm | 14.5 | 28 |
| March | 10.1° | 2° | 53mm | 12.6 | 43 |
| April | 14.4° | 4.3° | 45.8mm | 11.2 | 60 |
| May | 18.1° | 8.1° | 61.6mm | 12.5 | 69 |
| June | 20.8° | 11° | 66.5mm | 12.2 | 76 |
| July | 22.5° | 12.9° | 89.9mm | 14.3 | 71 |
| August | 22.7° | 12.7° | 86.5mm | 13 | 74 |
| September | 19.5° | 10.4° | 69.5mm | 12.7 | 73 |
| October | 14.9° | 7.4° | 75.9mm | 15.2 | 54 |
| November | 9.8° | 4° | 70.5mm | 16.3 | 37 |
| December | 6.3° | 1.4° | 72.5mm | 16.6 | 25 |
January in Lelystad averages a daily high of 5.7°C with nights around 0.7°C. Expect roughly 16.2 wet days totalling 67.7mm. A hard month to visit for comfort alone.
February in Lelystad averages a daily high of 7.1°C with nights around 1°C. Expect roughly 14.5 wet days totalling 61.7mm. A hard month to visit for comfort alone.
March in Lelystad averages a daily high of 10.1°C with nights around 2°C. Expect roughly 12.6 wet days totalling 53mm. Demanding conditions — pack for it and plan indoor options.
April in Lelystad averages a daily high of 14.4°C with nights around 4.3°C. Expect roughly 11.2 wet days totalling 45.8mm. Generally workable, with some weather to plan around.
May in Lelystad averages a daily high of 18.1°C with nights around 8.1°C. Expect roughly 12.5 wet days totalling 61.6mm. Generally workable, with some weather to plan around.
June in Lelystad averages a daily high of 20.8°C with nights around 11°C. Expect roughly 12.2 wet days totalling 66.5mm. Comfortable conditions for being outdoors all day.
July in Lelystad averages a daily high of 22.5°C with nights around 12.9°C. Expect roughly 14.3 wet days totalling 89.9mm. Generally workable, with some weather to plan around.
August in Lelystad averages a daily high of 22.7°C with nights around 12.7°C. Expect roughly 13 wet days totalling 86.5mm. Generally workable, with some weather to plan around.
September in Lelystad averages a daily high of 19.5°C with nights around 10.4°C. Expect roughly 12.7 wet days totalling 69.5mm. Generally workable, with some weather to plan around.
October in Lelystad averages a daily high of 14.9°C with nights around 7.4°C. Expect roughly 15.2 wet days totalling 75.9mm. Demanding conditions — pack for it and plan indoor options.
November in Lelystad averages a daily high of 9.8°C with nights around 4°C. Expect roughly 16.3 wet days totalling 70.5mm. Demanding conditions — pack for it and plan indoor options.
December in Lelystad averages a daily high of 6.3°C with nights around 1.4°C. Expect roughly 16.6 wet days totalling 72.5mm. 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. Lelystad peaks at 76.
Based on 30 years of records, May–September scores highest for comfort in Lelystad, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 22.7°C.
July is the wettest, averaging 89.9mm of rain across roughly 14.3 wet days.
January is the coolest month, with average daily highs around 5.7°C.