Monthly Climate
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Best time to visit Halifax

August is the best time to visit Halifax for general sightseeing, with average highs of 22 °C and about 10 wet days. The comfortable season runs roughly July to September.

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 August comfort 86/100
A beach holiday August sea 17 °C
The least cloud September 60 % average cloud cover
The least rain May 85 mm
Warmth August 22 °C
Cooler weather January 0.05 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 August 86 22 °C 10 46
2 July 85 21 °C 10 34
3 September 83 19 °C 9 37
4 June 74 17 °C 11 19
5 October 61 13 °C 10 10
6 May 54 12 °C 11 9
7 November 36 8.2 °C 11 8
8 April 32 7.4 °C 12 7
9 February 25 0.1 °C 10 10
10 March 23 2.9 °C 11 7
11 January 23 0.05 °C 11 7
12 December 20 3.3 °C 13 5

For a beach holiday

August scores highest, with a sea temperature of 17 °C and air temperatures around 22 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 2.7 °C 0.05 °C 71 % 7
February 0.8 °C 0.1 °C 68 % 10
March 0.7 °C 2.9 °C 67 % 7
April 2.0 °C 7.4 °C 69 % 7
May 5.0 °C 12 °C 70 % 9
June 9.5 °C 17 °C 69 % 19
July 14 °C 21 °C 68 % 34
August 17 °C 22 °C 62 % 46
September 16 °C 19 °C 60 % 37
October 13 °C 13 °C 62 % 10
November 9.2 °C 8.2 °C 70 % 8
December 5.6 °C 3.3 °C 73 % 5

When to think twice

December scores lowest with about 13 wet days and highs near 3.3 °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 0.0 °C 115 mm 71 %
February 0.1 °C 103 mm 68 %
March 2.9 °C 111 mm 67 %
April 7.4 °C 97 mm 69 %
May 12.4 °C 85 mm 70 %
June 17.2 °C 99 mm 69 %
July 21.0 °C 92 mm 68 %
August 21.7 °C 91 mm 62 %
September 18.9 °C 100 mm 60 %
October 13.4 °C 129 mm 62 %
November 8.2 °C 133 mm 70 %
December 3.3 °C 139 mm 73 %

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.