| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.7° | 0.6° | 65.7mm | 15.5 | 22 |
| February | 7.4° | 1.2° | 62.8mm | 14.5 | 29 |
| March | 10.8° | 2.7° | 56.7mm | 13.2 | 44 |
| April | 14.9° | 5° | 41.9mm | 10.8 | 62 |
| May | 18.9° | 8.7° | 62.8mm | 12.5 | 71 |
| June | 22.2° | 11.9° | 72.6mm | 12.1 | 76 |
| July | 23.8° | 13.8° | 76.8mm | 12.9 | 74 |
| August | 23.7° | 13.6° | 86.2mm | 13.5 | 73 |
| September | 20.1° | 10.8° | 57.6mm | 11.1 | 78 |
| October | 15.4° | 7.8° | 63.3mm | 13.7 | 58 |
| November | 9.8° | 4° | 61.9mm | 15.4 | 37 |
| December | 6.4° | 1.6° | 71mm | 17.3 | 26 |
January in Hasselt averages a daily high of 5.7°C with nights around 0.6°C. Expect roughly 15.5 wet days totalling 65.7mm. A hard month to visit for comfort alone.
February in Hasselt averages a daily high of 7.4°C with nights around 1.2°C. Expect roughly 14.5 wet days totalling 62.8mm. A hard month to visit for comfort alone.
March in Hasselt averages a daily high of 10.8°C with nights around 2.7°C. Expect roughly 13.2 wet days totalling 56.7mm. Demanding conditions — pack for it and plan indoor options.
April in Hasselt averages a daily high of 14.9°C with nights around 5°C. Expect roughly 10.8 wet days totalling 41.9mm. Generally workable, with some weather to plan around.
May in Hasselt averages a daily high of 18.9°C with nights around 8.7°C. Expect roughly 12.5 wet days totalling 62.8mm. Generally workable, with some weather to plan around.
June in Hasselt averages a daily high of 22.2°C with nights around 11.9°C. Expect roughly 12.1 wet days totalling 72.6mm. Comfortable conditions for being outdoors all day.
July in Hasselt averages a daily high of 23.8°C with nights around 13.8°C. Expect roughly 12.9 wet days totalling 76.8mm. Generally workable, with some weather to plan around.
August in Hasselt averages a daily high of 23.7°C with nights around 13.6°C. Expect roughly 13.5 wet days totalling 86.2mm. Generally workable, with some weather to plan around.
September in Hasselt averages a daily high of 20.1°C with nights around 10.8°C. Expect roughly 11.1 wet days totalling 57.6mm. Comfortable conditions for being outdoors all day.
October in Hasselt averages a daily high of 15.4°C with nights around 7.8°C. Expect roughly 13.7 wet days totalling 63.3mm. Generally workable, with some weather to plan around.
November in Hasselt averages a daily high of 9.8°C with nights around 4°C. Expect roughly 15.4 wet days totalling 61.9mm. Demanding conditions — pack for it and plan indoor options.
December in Hasselt averages a daily high of 6.4°C with nights around 1.6°C. Expect roughly 17.3 wet days totalling 71mm. 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. Hasselt peaks at 78.
Based on 30 years of records, May–September scores highest for comfort in Hasselt, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 23.8°C.
August is the wettest, averaging 86.2mm of rain across roughly 13.5 wet days.
January is the coolest month, with average daily highs around 5.7°C.