Monthly Climate
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Best time to visit Hsinchu

November is the best time to visit Hsinchu for general sightseeing, with average highs of 23 °C and about 6 wet days. The comfortable season runs roughly October to April. The sea stays above 20 °C from March to December.

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 November comfort 87/100
A beach holiday October sea 26 °C
The least cloud October 44 % average cloud cover
The least rain November 49 mm
Warmth July 30 °C
Cooler weather January 18 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 November 87 23 °C 6 83
2 December 85 19 °C 7 59
3 March 83 21 °C 11 53
4 April 80 24 °C 11 75
5 February 79 18 °C 10 40
6 October 78 26 °C 7 91
7 January 77 18 °C 10 39
8 May 67 27 °C 13 78
9 September 59 28 °C 14 75
10 June 57 29 °C 14 75
11 July 51 30 °C 15 68
12 August 47 30 °C 20 69

For a beach holiday

October scores highest, with a sea temperature of 26 °C and air temperatures around 26 °C. The sea is above 20 °C from March to December.

Month Sea Air Sunshine Beach score
January 18 °C 18 °C 52 % 39
February 18 °C 18 °C 56 % 40
March 20 °C 21 °C 57 % 53
April 23 °C 24 °C 62 % 75
May 26 °C 27 °C 67 % 78
June 27 °C 29 °C 79 % 75
July 28 °C 30 °C 69 % 68
August 28 °C 30 °C 67 % 69
September 28 °C 28 °C 56 % 75
October 26 °C 26 °C 44 % 91
November 24 °C 23 °C 46 % 83
December 21 °C 19 °C 50 % 59

When to think twice

August scores lowest with about 20 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 17.7 °C 64 mm 52 %
February 18.2 °C 79 mm 56 %
March 20.6 °C 106 mm 57 %
April 24.1 °C 105 mm 62 %
May 27.0 °C 158 mm 67 %
June 29.0 °C 190 mm 79 %
July 30.2 °C 212 mm 69 %
August 29.7 °C 306 mm 67 %
September 28.4 °C 193 mm 56 %
October 25.8 °C 89 mm 44 %
November 23.3 °C 49 mm 46 %
December 19.4 °C 54 mm 50 %

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.