| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -3.2° | -13.6° | 33.2mm | 5.9 | 18 |
| February | -1.3° | -11.5° | 32.1mm | 4.2 | 22 |
| March | 3.8° | -6.3° | 42.9mm | 7.5 | 21 |
| April | 10.5° | -0.3° | 49.8mm | 7.2 | 52 |
| May | 15.5° | 4.2° | 93.9mm | 13 | 60 |
| June | 20.7° | 8.4° | 55mm | 7.3 | 85 |
| July | 23.8° | 11.4° | 38.6mm | 6.1 | 88 |
| August | 25° | 11.6° | 28mm | 4.6 | 91 |
| September | 20.5° | 7.1° | 39mm | 4.8 | 90 |
| October | 13.8° | 2.1° | 36.7mm | 5.6 | 69 |
| November | 5.9° | -3.4° | 19.8mm | 3.8 | 39 |
| December | -0.3° | -9.8° | 34.7mm | 4.4 | 21 |
January in Gyumri averages a daily high of -3.2°C with nights around -13.6°C. Expect roughly 5.9 wet days totalling 33.2mm. A hard month to visit for comfort alone.
February in Gyumri averages a daily high of -1.3°C with nights around -11.5°C. Expect roughly 4.2 wet days totalling 32.1mm. A hard month to visit for comfort alone.
March in Gyumri averages a daily high of 3.8°C with nights around -6.3°C. Expect roughly 7.5 wet days totalling 42.9mm. A hard month to visit for comfort alone.
April in Gyumri averages a daily high of 10.5°C with nights around -0.3°C. Expect roughly 7.2 wet days totalling 49.8mm. Demanding conditions — pack for it and plan indoor options.
May in Gyumri averages a daily high of 15.5°C with nights around 4.2°C. Expect roughly 13 wet days totalling 93.9mm. Generally workable, with some weather to plan around.
June in Gyumri averages a daily high of 20.7°C with nights around 8.4°C. Expect roughly 7.3 wet days totalling 55mm. Comfortable conditions for being outdoors all day.
July in Gyumri averages a daily high of 23.8°C with nights around 11.4°C. Expect roughly 6.1 wet days totalling 38.6mm. Comfortable conditions for being outdoors all day.
August in Gyumri averages a daily high of 25°C with nights around 11.6°C. Expect roughly 4.6 wet days totalling 28mm. Comfortable conditions for being outdoors all day.
September in Gyumri averages a daily high of 20.5°C with nights around 7.1°C. Expect roughly 4.8 wet days totalling 39mm. Comfortable conditions for being outdoors all day.
October in Gyumri averages a daily high of 13.8°C with nights around 2.1°C. Expect roughly 5.6 wet days totalling 36.7mm. Generally workable, with some weather to plan around.
November in Gyumri averages a daily high of 5.9°C with nights around -3.4°C. Expect roughly 3.8 wet days totalling 19.8mm. Demanding conditions — pack for it and plan indoor options.
December in Gyumri averages a daily high of -0.3°C with nights around -9.8°C. Expect roughly 4.4 wet days totalling 34.7mm. 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. Gyumri peaks at 91.
Based on 30 years of records, June–September scores highest for comfort in Gyumri, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 25°C.
May is the wettest, averaging 93.9mm of rain across roughly 13 wet days.
January is the coolest month, with average daily highs around -3.2°C.