| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 0.5° | -4.1° | 67.1mm | 16.3 | 6 |
| February | 2.1° | -3.1° | 52.4mm | 14.4 | 9 |
| March | 6.1° | -0.9° | 46.1mm | 13.6 | 24 |
| April | 13.3° | 3.3° | 38.3mm | 9.3 | 60 |
| May | 18.4° | 7.7° | 52.7mm | 11 | 73 |
| June | 21.5° | 11.4° | 70.4mm | 12.5 | 75 |
| July | 23.5° | 14.1° | 96mm | 13.4 | 73 |
| August | 23.3° | 13.3° | 93.2mm | 13.5 | 73 |
| September | 18.5° | 9.4° | 70.1mm | 12.2 | 71 |
| October | 12.3° | 5.2° | 85.7mm | 15.2 | 45 |
| November | 6.3° | 1.8° | 76.6mm | 15.8 | 26 |
| December | 2.3° | -2.1° | 68.9mm | 17.2 | 9 |
January in Kaliningrad averages a daily high of 0.5°C with nights around -4.1°C. Expect roughly 16.3 wet days totalling 67.1mm. A hard month to visit for comfort alone.
February in Kaliningrad averages a daily high of 2.1°C with nights around -3.1°C. Expect roughly 14.4 wet days totalling 52.4mm. A hard month to visit for comfort alone.
March in Kaliningrad averages a daily high of 6.1°C with nights around -0.9°C. Expect roughly 13.6 wet days totalling 46.1mm. A hard month to visit for comfort alone.
April in Kaliningrad averages a daily high of 13.3°C with nights around 3.3°C. Expect roughly 9.3 wet days totalling 38.3mm. Generally workable, with some weather to plan around.
May in Kaliningrad averages a daily high of 18.4°C with nights around 7.7°C. Expect roughly 11 wet days totalling 52.7mm. Generally workable, with some weather to plan around.
June in Kaliningrad averages a daily high of 21.5°C with nights around 11.4°C. Expect roughly 12.5 wet days totalling 70.4mm. Comfortable conditions for being outdoors all day.
July in Kaliningrad averages a daily high of 23.5°C with nights around 14.1°C. Expect roughly 13.4 wet days totalling 96mm. Generally workable, with some weather to plan around.
August in Kaliningrad averages a daily high of 23.3°C with nights around 13.3°C. Expect roughly 13.5 wet days totalling 93.2mm. Generally workable, with some weather to plan around.
September in Kaliningrad averages a daily high of 18.5°C with nights around 9.4°C. Expect roughly 12.2 wet days totalling 70.1mm. Generally workable, with some weather to plan around.
October in Kaliningrad averages a daily high of 12.3°C with nights around 5.2°C. Expect roughly 15.2 wet days totalling 85.7mm. Demanding conditions — pack for it and plan indoor options.
November in Kaliningrad averages a daily high of 6.3°C with nights around 1.8°C. Expect roughly 15.8 wet days totalling 76.6mm. A hard month to visit for comfort alone.
December in Kaliningrad averages a daily high of 2.3°C with nights around -2.1°C. Expect roughly 17.2 wet days totalling 68.9mm. 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. Kaliningrad peaks at 75.
Based on 30 years of records, May–September scores highest for comfort in Kaliningrad, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 23.5°C.
July is the wettest, averaging 96mm of rain across roughly 13.4 wet days.
January is the coolest month, with average daily highs around 0.5°C.