| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -5° | -10.1° | 25.9mm | 10.2 | 10 |
| February | -4.3° | -9.7° | 31mm | 10.4 | 9 |
| March | -2.1° | -8° | 39.3mm | 12.7 | 5 |
| April | 3.4° | -2.8° | 52.6mm | 12.2 | 15 |
| May | 9.6° | 2.5° | 80.8mm | 15.3 | 37 |
| June | 13.4° | 6.2° | 127.5mm | 16.4 | 49 |
| July | 15.4° | 8° | 110.6mm | 15 | 55 |
| August | 15.5° | 8.3° | 94.8mm | 12.5 | 61 |
| September | 10.1° | 3.7° | 53.9mm | 10.3 | 48 |
| October | 5.9° | 0° | 39.4mm | 8.3 | 35 |
| November | 1.6° | -3.8° | 28.7mm | 8.4 | 20 |
| December | -3.1° | -8.2° | 31.4mm | 9.6 | 11 |
January in Piatra Neamţ averages a daily high of -5°C with nights around -10.1°C. Expect roughly 10.2 wet days totalling 25.9mm. A hard month to visit for comfort alone.
February in Piatra Neamţ averages a daily high of -4.3°C with nights around -9.7°C. Expect roughly 10.4 wet days totalling 31mm. A hard month to visit for comfort alone.
March in Piatra Neamţ averages a daily high of -2.1°C with nights around -8°C. Expect roughly 12.7 wet days totalling 39.3mm. A hard month to visit for comfort alone.
April in Piatra Neamţ averages a daily high of 3.4°C with nights around -2.8°C. Expect roughly 12.2 wet days totalling 52.6mm. A hard month to visit for comfort alone.
May in Piatra Neamţ averages a daily high of 9.6°C with nights around 2.5°C. Expect roughly 15.3 wet days totalling 80.8mm. Demanding conditions — pack for it and plan indoor options.
June in Piatra Neamţ averages a daily high of 13.4°C with nights around 6.2°C. Expect roughly 16.4 wet days totalling 127.5mm. Demanding conditions — pack for it and plan indoor options.
July in Piatra Neamţ averages a daily high of 15.4°C with nights around 8°C. Expect roughly 15 wet days totalling 110.6mm. Generally workable, with some weather to plan around.
August in Piatra Neamţ averages a daily high of 15.5°C with nights around 8.3°C. Expect roughly 12.5 wet days totalling 94.8mm. Generally workable, with some weather to plan around.
September in Piatra Neamţ averages a daily high of 10.1°C with nights around 3.7°C. Expect roughly 10.3 wet days totalling 53.9mm. Demanding conditions — pack for it and plan indoor options.
October in Piatra Neamţ averages a daily high of 5.9°C with nights around 0°C. Expect roughly 8.3 wet days totalling 39.4mm. Demanding conditions — pack for it and plan indoor options.
November in Piatra Neamţ averages a daily high of 1.6°C with nights around -3.8°C. Expect roughly 8.4 wet days totalling 28.7mm. A hard month to visit for comfort alone.
December in Piatra Neamţ averages a daily high of -3.1°C with nights around -8.2°C. Expect roughly 9.6 wet days totalling 31.4mm. 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. Piatra Neamţ peaks at 61.
Based on 30 years of records, July–August scores highest for comfort in Piatra Neamţ, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 15.5°C.
June is the wettest, averaging 127.5mm of rain across roughly 16.4 wet days.
January is the coolest month, with average daily highs around -5°C.