| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 3.6° | -1.1° | 76.2mm | 17.6 | 13 |
| February | 5.7° | 0.1° | 67.2mm | 15.4 | 21 |
| March | 8.6° | 1.3° | 55.5mm | 13.4 | 36 |
| April | 13.8° | 4.1° | 46.1mm | 12.2 | 56 |
| May | 18.6° | 8.1° | 60.2mm | 12.8 | 70 |
| June | 21.3° | 10.5° | 65.6mm | 12.6 | 75 |
| July | 23.4° | 12.9° | 81.2mm | 14.1 | 72 |
| August | 23.7° | 12.7° | 73.4mm | 13.8 | 72 |
| September | 19.5° | 9.8° | 61.2mm | 11.9 | 75 |
| October | 14.1° | 6.7° | 73.8mm | 14.5 | 52 |
| November | 8.1° | 3.2° | 65.1mm | 15.6 | 32 |
| December | 4.1° | -0.2° | 79mm | 17.8 | 16 |
January in Hildesheim averages a daily high of 3.6°C with nights around -1.1°C. Expect roughly 17.6 wet days totalling 76.2mm. A hard month to visit for comfort alone.
February in Hildesheim averages a daily high of 5.7°C with nights around 0.1°C. Expect roughly 15.4 wet days totalling 67.2mm. A hard month to visit for comfort alone.
March in Hildesheim averages a daily high of 8.6°C with nights around 1.3°C. Expect roughly 13.4 wet days totalling 55.5mm. Demanding conditions — pack for it and plan indoor options.
April in Hildesheim averages a daily high of 13.8°C with nights around 4.1°C. Expect roughly 12.2 wet days totalling 46.1mm. Generally workable, with some weather to plan around.
May in Hildesheim averages a daily high of 18.6°C with nights around 8.1°C. Expect roughly 12.8 wet days totalling 60.2mm. Generally workable, with some weather to plan around.
June in Hildesheim averages a daily high of 21.3°C with nights around 10.5°C. Expect roughly 12.6 wet days totalling 65.6mm. Comfortable conditions for being outdoors all day.
July in Hildesheim averages a daily high of 23.4°C with nights around 12.9°C. Expect roughly 14.1 wet days totalling 81.2mm. Generally workable, with some weather to plan around.
August in Hildesheim averages a daily high of 23.7°C with nights around 12.7°C. Expect roughly 13.8 wet days totalling 73.4mm. Generally workable, with some weather to plan around.
September in Hildesheim averages a daily high of 19.5°C with nights around 9.8°C. Expect roughly 11.9 wet days totalling 61.2mm. Comfortable conditions for being outdoors all day.
October in Hildesheim averages a daily high of 14.1°C with nights around 6.7°C. Expect roughly 14.5 wet days totalling 73.8mm. Demanding conditions — pack for it and plan indoor options.
November in Hildesheim averages a daily high of 8.1°C with nights around 3.2°C. Expect roughly 15.6 wet days totalling 65.1mm. A hard month to visit for comfort alone.
December in Hildesheim averages a daily high of 4.1°C with nights around -0.2°C. Expect roughly 17.8 wet days totalling 79mm. 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. Hildesheim peaks at 75.
Based on 30 years of records, May–September scores highest for comfort in Hildesheim, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 23.7°C.
July is the wettest, averaging 81.2mm of rain across roughly 14.1 wet days.
January is the coolest month, with average daily highs around 3.6°C.