| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 30.7° | 23.6° | 67.1mm | 7 | 71 |
| February | 31° | — | 81.2mm | 11 | 62 |
| March | 30.9° | 24.6° | 57.8mm | 8 | 68 |
| April | 31.3° | 24.7° | 119.6mm | 11 | 61 |
| May | 31.4° | 24.5° | 122.7mm | 10 | 62 |
| June | 31.2° | — | 62.3mm | 8 | 67 |
| July | 31.2° | 23.7° | — | — | 77 |
| August | 31.6° | 24.7° | — | — | 76 |
| September | 31.4° | — | — | — | 76 |
| October | 31.4° | 24.9° | — | — | 76 |
| November | 31.1° | 24.1° | — | — | 78 |
| December | 31° | 24° | — | — | 78 |
January in Tarakan averages a daily high of 30.7°C with nights around 23.6°C. Expect roughly 7 wet days totalling 67.1mm. Generally workable, with some weather to plan around.
February in Tarakan averages a daily high of 31°C. Expect roughly 11 wet days totalling 81.2mm. Generally workable, with some weather to plan around.
March in Tarakan averages a daily high of 30.9°C with nights around 24.6°C. Expect roughly 8 wet days totalling 57.8mm. Generally workable, with some weather to plan around.
April in Tarakan averages a daily high of 31.3°C with nights around 24.7°C. Expect roughly 11 wet days totalling 119.6mm. Generally workable, with some weather to plan around.
May in Tarakan averages a daily high of 31.4°C with nights around 24.5°C. Expect roughly 10 wet days totalling 122.7mm. Generally workable, with some weather to plan around.
June in Tarakan averages a daily high of 31.2°C. Expect roughly 8 wet days totalling 62.3mm. Generally workable, with some weather to plan around.
July in Tarakan averages a daily high of 31.2°C with nights around 23.7°C. Comfortable conditions for being outdoors all day.
August in Tarakan averages a daily high of 31.6°C with nights around 24.7°C. Comfortable conditions for being outdoors all day.
September in Tarakan averages a daily high of 31.4°C. Comfortable conditions for being outdoors all day.
October in Tarakan averages a daily high of 31.4°C with nights around 24.9°C. Comfortable conditions for being outdoors all day.
November in Tarakan averages a daily high of 31.1°C with nights around 24.1°C. Comfortable conditions for being outdoors all day.
December in Tarakan averages a daily high of 31°C with nights around 24°C. 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. Tarakan peaks at 78.
Based on 30 years of records, July–January scores highest for comfort in Tarakan, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 31.6°C.
May is the wettest, averaging 122.7mm of rain across roughly 10 wet days.
January is the coolest month, with average daily highs around 30.7°C.