| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 4.8° | -0.6° | 63.2mm | 15 | 17 |
| February | 6.8° | -0.3° | 55.3mm | 13.2 | 28 |
| March | 11° | 1.1° | 55.8mm | 12.1 | 46 |
| April | 16.2° | 4.1° | 42.3mm | 10.7 | 66 |
| May | 20.1° | 8.1° | 69.7mm | 12.6 | 75 |
| June | 24.2° | 11.9° | 63.6mm | 11.1 | 78 |
| July | 26° | 13.7° | 62mm | 11.5 | 77 |
| August | 25.1° | 13° | 64mm | 12.1 | 76 |
| September | 21.1° | 9.6° | 56.4mm | 10.6 | 79 |
| October | 15.5° | 6.3° | 67.5mm | 12.4 | 61 |
| November | 8.8° | 2.8° | 61.5mm | 14.7 | 35 |
| December | 5.5° | 0.6° | 81.7mm | 16.5 | 21 |
January in Kaiserslautern averages a daily high of 4.8°C with nights around -0.6°C. Expect roughly 15 wet days totalling 63.2mm. A hard month to visit for comfort alone.
February in Kaiserslautern averages a daily high of 6.8°C with nights around -0.3°C. Expect roughly 13.2 wet days totalling 55.3mm. A hard month to visit for comfort alone.
March in Kaiserslautern averages a daily high of 11°C with nights around 1.1°C. Expect roughly 12.1 wet days totalling 55.8mm. Demanding conditions — pack for it and plan indoor options.
April in Kaiserslautern averages a daily high of 16.2°C with nights around 4.1°C. Expect roughly 10.7 wet days totalling 42.3mm. Generally workable, with some weather to plan around.
May in Kaiserslautern averages a daily high of 20.1°C with nights around 8.1°C. Expect roughly 12.6 wet days totalling 69.7mm. Comfortable conditions for being outdoors all day.
June in Kaiserslautern averages a daily high of 24.2°C with nights around 11.9°C. Expect roughly 11.1 wet days totalling 63.6mm. Comfortable conditions for being outdoors all day.
July in Kaiserslautern averages a daily high of 26°C with nights around 13.7°C. Expect roughly 11.5 wet days totalling 62mm. Comfortable conditions for being outdoors all day.
August in Kaiserslautern averages a daily high of 25.1°C with nights around 13°C. Expect roughly 12.1 wet days totalling 64mm. Comfortable conditions for being outdoors all day.
September in Kaiserslautern averages a daily high of 21.1°C with nights around 9.6°C. Expect roughly 10.6 wet days totalling 56.4mm. Comfortable conditions for being outdoors all day.
October in Kaiserslautern averages a daily high of 15.5°C with nights around 6.3°C. Expect roughly 12.4 wet days totalling 67.5mm. Generally workable, with some weather to plan around.
November in Kaiserslautern averages a daily high of 8.8°C with nights around 2.8°C. Expect roughly 14.7 wet days totalling 61.5mm. Demanding conditions — pack for it and plan indoor options.
December in Kaiserslautern averages a daily high of 5.5°C with nights around 0.6°C. Expect roughly 16.5 wet days totalling 81.7mm. 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. Kaiserslautern peaks at 79.
Based on 30 years of records, May–September scores highest for comfort in Kaiserslautern, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 26°C.
December is the wettest, averaging 81.7mm of rain across roughly 16.5 wet days.
January is the coolest month, with average daily highs around 4.8°C.