| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 3° | -10.5° | 4.9mm | 2.5 | 26 |
| February | 7.3° | -6° | 7.1mm | 2.9 | 42 |
| March | 14.4° | -0.1° | 11.7mm | 3.3 | 72 |
| April | 21° | 5.8° | 27.2mm | 5.3 | 89 |
| May | 26° | 11° | 42.4mm | 7.1 | 86 |
| June | 29.8° | 15.6° | 62.2mm | 7.7 | 73 |
| July | 30.6° | 18.5° | 102.8mm | 11 | 64 |
| August | 28.5° | 17.3° | 116.1mm | 10.2 | 74 |
| September | 23.8° | 12.3° | 78mm | 9.4 | 81 |
| October | 18.4° | 5.1° | 42mm | 6.7 | 81 |
| November | 11.2° | -2.1° | 15mm | 3.2 | 59 |
| December | 4.3° | -8.8° | 2.2mm | 1.5 | 32 |
January in Yan’an averages a daily high of 3°C with nights around -10.5°C. Rain is rare — about 2.5 wet days and 4.9mm across the month. A hard month to visit for comfort alone.
February in Yan’an averages a daily high of 7.3°C with nights around -6°C. Rain is rare — about 2.9 wet days and 7.1mm across the month. Demanding conditions — pack for it and plan indoor options.
March in Yan’an averages a daily high of 14.4°C with nights around -0.1°C. Expect roughly 3.3 wet days totalling 11.7mm. Generally workable, with some weather to plan around.
April in Yan’an averages a daily high of 21°C with nights around 5.8°C. Expect roughly 5.3 wet days totalling 27.2mm. Comfortable conditions for being outdoors all day.
May in Yan’an averages a daily high of 26°C with nights around 11°C. Expect roughly 7.1 wet days totalling 42.4mm. Comfortable conditions for being outdoors all day.
June in Yan’an averages a daily high of 29.8°C with nights around 15.6°C. Expect roughly 7.7 wet days totalling 62.2mm. Generally workable, with some weather to plan around.
July in Yan’an averages a daily high of 30.6°C with nights around 18.5°C. Expect roughly 11 wet days totalling 102.8mm. Generally workable, with some weather to plan around.
August in Yan’an averages a daily high of 28.5°C with nights around 17.3°C. Expect roughly 10.2 wet days totalling 116.1mm. Generally workable, with some weather to plan around.
September in Yan’an averages a daily high of 23.8°C with nights around 12.3°C. Expect roughly 9.4 wet days totalling 78mm. Comfortable conditions for being outdoors all day.
October in Yan’an averages a daily high of 18.4°C with nights around 5.1°C. Expect roughly 6.7 wet days totalling 42mm. Comfortable conditions for being outdoors all day.
November in Yan’an averages a daily high of 11.2°C with nights around -2.1°C. Expect roughly 3.2 wet days totalling 15mm. Generally workable, with some weather to plan around.
December in Yan’an averages a daily high of 4.3°C with nights around -8.8°C. Rain is rare — about 1.5 wet days and 2.2mm across the month. 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. Yan’an peaks at 89.
Based on 30 years of records, April–May scores highest for comfort in Yan’an, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 30.6°C.
August is the wettest, averaging 116.1mm of rain across roughly 10.2 wet days.
January is the coolest month, with average daily highs around 3°C.