| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -15.7° | -25.9° | 3.8mm | 3.4 | 23 |
| February | -9.9° | -21.7° | 2.6mm | 1.9 | 26 |
| March | 0.5° | -11.4° | 7.5mm | 3.8 | 22 |
| April | 12° | -0.3° | 24.5mm | 5.7 | 60 |
| May | 20.3° | 7.4° | 38.8mm | 8.5 | 83 |
| June | 25.9° | 14.3° | 96.7mm | 11.7 | 77 |
| July | 27.5° | 17.9° | 162mm | 13.3 | 71 |
| August | 25.3° | 15.2° | 121.9mm | 11.8 | 76 |
| September | 20.2° | 8° | 43.8mm | 7.2 | 86 |
| October | 10.3° | -0.7° | 16.8mm | 5.2 | 55 |
| November | -3.4° | -13° | 6.6mm | 3.8 | 22 |
| December | -13.9° | -23.3° | 5.6mm | 4.2 | 22 |
January in Bei’an averages a daily high of -15.7°C with nights around -25.9°C. Expect roughly 3.4 wet days totalling 3.8mm. A hard month to visit for comfort alone.
February in Bei’an averages a daily high of -9.9°C with nights around -21.7°C. Rain is rare — about 1.9 wet days and 2.6mm across the month. A hard month to visit for comfort alone.
March in Bei’an averages a daily high of 0.5°C with nights around -11.4°C. Expect roughly 3.8 wet days totalling 7.5mm. A hard month to visit for comfort alone.
April in Bei’an averages a daily high of 12°C with nights around -0.3°C. Expect roughly 5.7 wet days totalling 24.5mm. Generally workable, with some weather to plan around.
May in Bei’an averages a daily high of 20.3°C with nights around 7.4°C. Expect roughly 8.5 wet days totalling 38.8mm. Comfortable conditions for being outdoors all day.
June in Bei’an averages a daily high of 25.9°C with nights around 14.3°C. Expect roughly 11.7 wet days totalling 96.7mm. Comfortable conditions for being outdoors all day.
July in Bei’an averages a daily high of 27.5°C with nights around 17.9°C. Expect roughly 13.3 wet days totalling 162mm. Generally workable, with some weather to plan around.
August in Bei’an averages a daily high of 25.3°C with nights around 15.2°C. Expect roughly 11.8 wet days totalling 121.9mm. Comfortable conditions for being outdoors all day.
September in Bei’an averages a daily high of 20.2°C with nights around 8°C. Expect roughly 7.2 wet days totalling 43.8mm. Comfortable conditions for being outdoors all day.
October in Bei’an averages a daily high of 10.3°C with nights around -0.7°C. Expect roughly 5.2 wet days totalling 16.8mm. Generally workable, with some weather to plan around.
November in Bei’an averages a daily high of -3.4°C with nights around -13°C. Expect roughly 3.8 wet days totalling 6.6mm. A hard month to visit for comfort alone.
December in Bei’an averages a daily high of -13.9°C with nights around -23.3°C. Expect roughly 4.2 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. Bei’an peaks at 86.
Based on 30 years of records, May scores highest for comfort in Bei’an, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 27.5°C.
July is the wettest, averaging 162mm of rain across roughly 13.3 wet days.
January is the coolest month, with average daily highs around -15.7°C.