Monthly Climate
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Best time to visit Cẩm Phả

December is the best time to visit Cẩm Phả for general sightseeing, with average highs of 20 °C and about 7 wet days. The comfortable season runs roughly November to March. 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 December comfort 93/100
A beach holiday November sea 25 °C
The least cloud October 51 % average cloud cover
The least rain February 25 mm
Warmth July 30 °C
Cooler weather January 19 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 December 93 20 °C 7 68
2 February 91 20 °C 6 59
3 November 88 24 °C 8 85
4 January 88 19 °C 7 53
5 March 87 23 °C 8 65
6 April 72 26 °C 12 78
7 October 72 27 °C 10 83
8 May 49 29 °C 20 74
9 September 49 29 °C 19 67
10 August 43 30 °C 26 64
11 June 42 30 °C 24 66
12 July 42 30 °C 25 65

For a beach holiday

November scores highest, with a sea temperature of 25 °C and air temperatures around 24 °C. The sea is above 20 °C from March to December.

Month Sea Air Sunshine Beach score
January 20 °C 19 °C 75 % 53
February 19 °C 20 °C 78 % 59
March 20 °C 23 °C 80 % 65
April 23 °C 26 °C 76 % 78
May 27 °C 29 °C 78 % 74
June 29 °C 30 °C 88 % 66
July 29 °C 30 °C 85 % 65
August 30 °C 30 °C 81 % 64
September 29 °C 29 °C 68 % 67
October 28 °C 27 °C 51 % 83
November 25 °C 24 °C 55 % 85
December 22 °C 20 °C 63 % 68

When to think twice

July scores lowest with about 25 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 18.6 °C 35 mm 75 %
February 19.9 °C 25 mm 78 %
March 22.6 °C 47 mm 80 %
April 26.0 °C 65 mm 76 %
May 28.6 °C 211 mm 78 %
June 30.2 °C 305 mm 88 %
July 30.2 °C 355 mm 85 %
August 30.0 °C 384 mm 81 %
September 29.3 °C 228 mm 68 %
October 27.4 °C 96 mm 51 %
November 24.2 °C 51 mm 55 %
December 20.2 °C 33 mm 63 %

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.