Best time to visit Tarakan

January is the best time to visit Tarakan for general sightseeing, with average highs of 28 °C and about 27 wet days.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking January comfort 53/100
A beach holiday January sea 29 °C
The least cloud April 73 % average cloud cover
The least rain February 207 mm
Warmth May 29 °C
Cooler weather January 28 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 January 53 28 °C 27 71
2 February 53 28 °C 24 71
3 March 52 28 °C 28 69
4 December 52 28 °C 30 70
5 November 51 28 °C 29 68
6 July 51 28 °C 27 69
7 August 51 29 °C 27 69
8 October 51 28 °C 29 68
9 September 50 29 °C 27 68
10 April 50 28 °C 28 67
11 June 50 28 °C 27 67
12 May 49 29 °C 29 66

For a beach holiday

January scores highest, with a sea temperature of 29 °C and air temperatures around 28 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 29 °C 28 °C 84 % 71
February 29 °C 28 °C 81 % 71
March 29 °C 28 °C 76 % 69
April 30 °C 28 °C 73 % 67
May 30 °C 29 °C 76 % 66
June 30 °C 28 °C 77 % 67
July 29 °C 28 °C 77 % 69
August 29 °C 29 °C 74 % 69
September 29 °C 29 °C 75 % 68
October 29 °C 28 °C 81 % 68
November 29 °C 28 °C 82 % 68
December 29 °C 28 °C 86 % 70

When to think twice

May scores lowest with about 29 wet days and highs near 29 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 27.6 °C 275 mm 84 %
February 27.8 °C 207 mm 81 %
March 28.0 °C 247 mm 76 %
April 28.5 °C 245 mm 73 %
May 28.7 °C 277 mm 76 %
June 28.5 °C 238 mm 77 %
July 28.4 °C 222 mm 77 %
August 28.5 °C 225 mm 74 %
September 28.5 °C 245 mm 75 %
October 28.4 °C 281 mm 81 %
November 28.2 °C 294 mm 82 %
December 28.0 °C 310 mm 86 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.