| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -16.5° | -29.5° | 4mm | 3.9 | 22 |
| February | -10.5° | -25.7° | 2.8mm | 2.6 | 25 |
| March | -0.3° | -14.1° | 6mm | 3.5 | 23 |
| April | 11.7° | -2.4° | 21.6mm | 5.7 | 55 |
| May | 20.3° | 5.5° | 39.9mm | 7.9 | 84 |
| June | 26.2° | 12.9° | 88.2mm | 11.4 | 77 |
| July | 27.5° | 16.5° | 122.4mm | 12.9 | 72 |
| August | 25.1° | 13.4° | 103.6mm | 11.5 | 77 |
| September | 19.8° | 6° | 52.6mm | 7.5 | 84 |
| October | 9.8° | -2.8° | 20.5mm | 5.5 | 49 |
| November | -4.3° | -16° | 8.1mm | 4.5 | 21 |
| December | -14.8° | -27° | 5.6mm | 5.1 | 20 |
January in Nenjiang averages a daily high of -16.5°C with nights around -29.5°C. Expect roughly 3.9 wet days totalling 4mm. A hard month to visit for comfort alone.
February in Nenjiang averages a daily high of -10.5°C with nights around -25.7°C. Rain is rare — about 2.6 wet days and 2.8mm across the month. A hard month to visit for comfort alone.
March in Nenjiang averages a daily high of -0.3°C with nights around -14.1°C. Expect roughly 3.5 wet days totalling 6mm. A hard month to visit for comfort alone.
April in Nenjiang averages a daily high of 11.7°C with nights around -2.4°C. Expect roughly 5.7 wet days totalling 21.6mm. Generally workable, with some weather to plan around.
May in Nenjiang averages a daily high of 20.3°C with nights around 5.5°C. Expect roughly 7.9 wet days totalling 39.9mm. Comfortable conditions for being outdoors all day.
June in Nenjiang averages a daily high of 26.2°C with nights around 12.9°C. Expect roughly 11.4 wet days totalling 88.2mm. Comfortable conditions for being outdoors all day.
July in Nenjiang averages a daily high of 27.5°C with nights around 16.5°C. Expect roughly 12.9 wet days totalling 122.4mm. Generally workable, with some weather to plan around.
August in Nenjiang averages a daily high of 25.1°C with nights around 13.4°C. Expect roughly 11.5 wet days totalling 103.6mm. Comfortable conditions for being outdoors all day.
September in Nenjiang averages a daily high of 19.8°C with nights around 6°C. Expect roughly 7.5 wet days totalling 52.6mm. Comfortable conditions for being outdoors all day.
October in Nenjiang averages a daily high of 9.8°C with nights around -2.8°C. Expect roughly 5.5 wet days totalling 20.5mm. Demanding conditions — pack for it and plan indoor options.
November in Nenjiang averages a daily high of -4.3°C with nights around -16°C. Expect roughly 4.5 wet days totalling 8.1mm. A hard month to visit for comfort alone.
December in Nenjiang averages a daily high of -14.8°C with nights around -27°C. Expect roughly 5.1 wet days totalling 5.6mm. 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. Nenjiang peaks at 84.
Based on 30 years of records, May–June scores highest for comfort in Nenjiang, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 27.5°C.
July is the wettest, averaging 122.4mm of rain across roughly 12.9 wet days.
January is the coolest month, with average daily highs around -16.5°C.