Monthly Climate
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Best time to visit Kupang

July is the best time to visit Kupang for general sightseeing, with average highs of 30 °C and about 1 wet days. The comfortable season runs roughly May to October.

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 July comfort 71/100
A beach holiday July sea 27 °C
The least cloud August 35 % average cloud cover
The least rain August 2 mm
Warmth October 33 °C
Cooler weather February 29 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 July 71 30 °C 1 97
2 August 70 30 °C 1 95
3 June 69 30 °C 2 96
4 May 67 30 °C 4 91
5 September 66 32 °C 1 90
6 October 62 33 °C 4 83
7 April 59 30 °C 11 74
8 November 52 33 °C 11 65
9 February 48 29 °C 25 68
10 March 47 30 °C 22 67
11 January 47 29 °C 27 67
12 December 45 30 °C 24 63

For a beach holiday

July scores highest, with a sea temperature of 27 °C and air temperatures around 30 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 29 °C 29 °C 86 % 67
February 29 °C 29 °C 83 % 68
March 29 °C 30 °C 72 % 67
April 29 °C 30 °C 57 % 74
May 28 °C 30 °C 44 % 91
June 28 °C 30 °C 41 % 96
July 27 °C 30 °C 36 % 97
August 27 °C 30 °C 35 % 95
September 27 °C 32 °C 36 % 90
October 28 °C 33 °C 41 % 83
November 29 °C 33 °C 54 % 65
December 30 °C 30 °C 80 % 63

When to think twice

December scores lowest with about 24 wet days and highs near 30 °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 29.2 °C 283 mm 86 %
February 29.0 °C 249 mm 83 %
March 29.5 °C 194 mm 72 %
April 30.2 °C 76 mm 57 %
May 30.2 °C 24 mm 44 %
June 29.6 °C 15 mm 41 %
July 29.5 °C 4 mm 36 %
August 30.4 °C 2 mm 35 %
September 31.9 °C 5 mm 36 %
October 32.9 °C 20 mm 41 %
November 32.8 °C 78 mm 54 %
December 30.3 °C 231 mm 80 %

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.