| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 31.9° | 15° | 2.8mm | 0.9 | 79 |
| February | 34.8° | 16.8° | 5.3mm | 1.4 | 66 |
| March | 37.3° | 20.1° | 16.6mm | 2.6 | 54 |
| April | 38.4° | 23.6° | 52.4mm | 7.4 | 40 |
| May | 35.8° | 24.1° | 143.3mm | 15.3 | 35 |
| June | 34.6° | 24.3° | 142.6mm | 17 | 40 |
| July | 33.5° | 24.2° | 138.8mm | 18.6 | 44 |
| August | 33.1° | 24° | 224.4mm | 22.1 | 46 |
| September | 33.1° | 23.6° | 252.4mm | 21.8 | 46 |
| October | 32.8° | 22.3° | 66.7mm | 8.9 | 59 |
| November | 32.3° | 19.3° | 47.2mm | 4.6 | 70 |
| December | 30.8° | 15.3° | 2.4mm | 0.6 | 84 |
January in Lampang averages a daily high of 31.9°C with nights around 15°C. Rain is rare — about 0.9 wet days and 2.8mm across the month. Comfortable conditions for being outdoors all day.
February in Lampang averages a daily high of 34.8°C with nights around 16.8°C. Rain is rare — about 1.4 wet days and 5.3mm across the month. Generally workable, with some weather to plan around.
March in Lampang averages a daily high of 37.3°C with nights around 20.1°C. Rain is rare — about 2.6 wet days and 16.6mm across the month. Demanding conditions — pack for it and plan indoor options.
April in Lampang averages a daily high of 38.4°C with nights around 23.6°C. Expect roughly 7.4 wet days totalling 52.4mm. Demanding conditions — pack for it and plan indoor options.
May in Lampang averages a daily high of 35.8°C with nights around 24.1°C. Expect roughly 15.3 wet days totalling 143.3mm. Demanding conditions — pack for it and plan indoor options.
June in Lampang averages a daily high of 34.6°C with nights around 24.3°C. Expect roughly 17 wet days totalling 142.6mm. Demanding conditions — pack for it and plan indoor options.
July in Lampang averages a daily high of 33.5°C with nights around 24.2°C. Expect roughly 18.6 wet days totalling 138.8mm. Demanding conditions — pack for it and plan indoor options.
August in Lampang averages a daily high of 33.1°C with nights around 24°C. Expect roughly 22.1 wet days totalling 224.4mm. Demanding conditions — pack for it and plan indoor options.
September in Lampang averages a daily high of 33.1°C with nights around 23.6°C. Expect roughly 21.8 wet days totalling 252.4mm. Demanding conditions — pack for it and plan indoor options.
October in Lampang averages a daily high of 32.8°C with nights around 22.3°C. Expect roughly 8.9 wet days totalling 66.7mm. Generally workable, with some weather to plan around.
November in Lampang averages a daily high of 32.3°C with nights around 19.3°C. Expect roughly 4.6 wet days totalling 47.2mm. Generally workable, with some weather to plan around.
December in Lampang averages a daily high of 30.8°C with nights around 15.3°C. Rain is rare — about 0.6 wet days and 2.4mm across the month. Comfortable conditions for being outdoors all day.
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. Lampang peaks at 84.
Based on 30 years of records, December–January scores highest for comfort in Lampang, balancing daytime temperature against rainfall.
April is the warmest, averaging a daily high of 38.4°C.
September is the wettest, averaging 252.4mm of rain across roughly 21.8 wet days.
December is the coolest month, with average daily highs around 30.8°C.