| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.4° | 0.6° | 71.4mm | 17.2 | 21 |
| February | 6.4° | 0.8° | 60.6mm | 14.4 | 26 |
| March | 9.2° | 1.9° | 47.3mm | 13 | 39 |
| April | 13.2° | 4.1° | 39.6mm | 11 | 56 |
| May | 16.7° | 7.6° | 57.7mm | 12.2 | 65 |
| June | 19.5° | 10.7° | 72.4mm | 12.1 | 74 |
| July | 21.4° | 12.9° | 83.3mm | 13.9 | 72 |
| August | 21.8° | 13.1° | 94.5mm | 13.4 | 73 |
| September | 18.8° | 10.7° | 80mm | 13.8 | 69 |
| October | 14.4° | 7.7° | 79.4mm | 16.7 | 52 |
| November | 9.5° | 4.1° | 81.1mm | 18.4 | 36 |
| December | 6.2° | 1.4° | 81.9mm | 18 | 25 |
January in Leeuwarden averages a daily high of 5.4°C with nights around 0.6°C. Expect roughly 17.2 wet days totalling 71.4mm. A hard month to visit for comfort alone.
February in Leeuwarden averages a daily high of 6.4°C with nights around 0.8°C. Expect roughly 14.4 wet days totalling 60.6mm. A hard month to visit for comfort alone.
March in Leeuwarden averages a daily high of 9.2°C with nights around 1.9°C. Expect roughly 13 wet days totalling 47.3mm. Demanding conditions — pack for it and plan indoor options.
April in Leeuwarden averages a daily high of 13.2°C with nights around 4.1°C. Expect roughly 11 wet days totalling 39.6mm. Generally workable, with some weather to plan around.
May in Leeuwarden averages a daily high of 16.7°C with nights around 7.6°C. Expect roughly 12.2 wet days totalling 57.7mm. Generally workable, with some weather to plan around.
June in Leeuwarden averages a daily high of 19.5°C with nights around 10.7°C. Expect roughly 12.1 wet days totalling 72.4mm. Generally workable, with some weather to plan around.
July in Leeuwarden averages a daily high of 21.4°C with nights around 12.9°C. Expect roughly 13.9 wet days totalling 83.3mm. Generally workable, with some weather to plan around.
August in Leeuwarden averages a daily high of 21.8°C with nights around 13.1°C. Expect roughly 13.4 wet days totalling 94.5mm. Generally workable, with some weather to plan around.
September in Leeuwarden averages a daily high of 18.8°C with nights around 10.7°C. Expect roughly 13.8 wet days totalling 80mm. Generally workable, with some weather to plan around.
October in Leeuwarden averages a daily high of 14.4°C with nights around 7.7°C. Expect roughly 16.7 wet days totalling 79.4mm. Demanding conditions — pack for it and plan indoor options.
November in Leeuwarden averages a daily high of 9.5°C with nights around 4.1°C. Expect roughly 18.4 wet days totalling 81.1mm. Demanding conditions — pack for it and plan indoor options.
December in Leeuwarden averages a daily high of 6.2°C with nights around 1.4°C. Expect roughly 18 wet days totalling 81.9mm. 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. Leeuwarden peaks at 74.
Based on 30 years of records, June–September scores highest for comfort in Leeuwarden, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 21.8°C.
August is the wettest, averaging 94.5mm of rain across roughly 13.4 wet days.
January is the coolest month, with average daily highs around 5.4°C.