| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 32.3° | 24.6° | 196.3mm | 13.3 | 52 |
| February | 32.1° | 24.1° | 220.1mm | 10.4 | 59 |
| March | 32.4° | 24.7° | 85.5mm | 8.7 | 61 |
| April | 32.4° | 25° | 63.8mm | 3.5 | 71 |
| May | 32.2° | 25.2° | 19.6mm | 2.3 | 75 |
| June | 31.8° | 24.1° | 55.8mm | 2.9 | 75 |
| July | 31.5° | 22.4° | 33.6mm | 1.6 | 79 |
| August | 31.7° | 22.8° | 0mm | 0 | 81 |
| September | 32.8° | 23° | 1.1mm | 0.1 | 77 |
| October | 33.8° | 24.5° | 4.6mm | 0.2 | 72 |
| November | 33.5° | — | 76.7mm | 4 | 66 |
| December | 32.8° | 24.9° | 98.2mm | 6 | 65 |
January in Lawang averages a daily high of 32.3°C with nights around 24.6°C. Expect roughly 13.3 wet days totalling 196.3mm. Demanding conditions — pack for it and plan indoor options.
February in Lawang averages a daily high of 32.1°C with nights around 24.1°C. Expect roughly 10.4 wet days totalling 220.1mm. Generally workable, with some weather to plan around.
March in Lawang averages a daily high of 32.4°C with nights around 24.7°C. Expect roughly 8.7 wet days totalling 85.5mm. Generally workable, with some weather to plan around.
April in Lawang averages a daily high of 32.4°C with nights around 25°C. Expect roughly 3.5 wet days totalling 63.8mm. Generally workable, with some weather to plan around.
May in Lawang averages a daily high of 32.2°C with nights around 25.2°C. Rain is rare — about 2.3 wet days and 19.6mm across the month. Comfortable conditions for being outdoors all day.
June in Lawang averages a daily high of 31.8°C with nights around 24.1°C. Rain is rare — about 2.9 wet days and 55.8mm across the month. Comfortable conditions for being outdoors all day.
July in Lawang averages a daily high of 31.5°C with nights around 22.4°C. Rain is rare — about 1.6 wet days and 33.6mm across the month. Comfortable conditions for being outdoors all day.
August in Lawang averages a daily high of 31.7°C with nights around 22.8°C. Rain is rare — about 0 wet days and 0mm across the month. Comfortable conditions for being outdoors all day.
September in Lawang averages a daily high of 32.8°C with nights around 23°C. Rain is rare — about 0.1 wet days and 1.1mm across the month. Comfortable conditions for being outdoors all day.
October in Lawang averages a daily high of 33.8°C with nights around 24.5°C. Rain is rare — about 0.2 wet days and 4.6mm across the month. Generally workable, with some weather to plan around.
November in Lawang averages a daily high of 33.5°C. Expect roughly 4 wet days totalling 76.7mm. Generally workable, with some weather to plan around.
December in Lawang averages a daily high of 32.8°C with nights around 24.9°C. Expect roughly 6 wet days totalling 98.2mm. Generally workable, with some weather to plan around.
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. Lawang peaks at 81.
Based on 30 years of records, May–September scores highest for comfort in Lawang, balancing daytime temperature against rainfall.
October is the warmest, averaging a daily high of 33.8°C.
February is the wettest, averaging 220.1mm of rain across roughly 10.4 wet days.
July is the coolest month, with average daily highs around 31.5°C.