Monthly Climate
Menu

Best time to visit Baltimore

May is the best time to visit Baltimore for general sightseeing, with average highs of 23 °C and about 11 wet days. The comfortable season runs roughly May to June. The sea stays above 20 °C from June 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 May comfort 86/100
A beach holiday August sea 26 °C
The least cloud October 49 % average cloud cover
The least rain February 81 mm
Warmth July 30 °C
Cooler weather January 5.1 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 May 86 23 °C 11 38
2 September 85 25 °C 9 82
3 October 84 19 °C 8 47
4 June 76 27 °C 11 71
5 April 74 18 °C 10 22
6 August 72 29 °C 11 84
7 July 66 30 °C 12 79
8 November 58 13 °C 8 14
9 March 48 11 °C 10 10
10 December 35 7.4 °C 9 12
11 February 32 6.8 °C 9 13
12 January 29 5.1 °C 9 12

For a beach holiday

August scores highest, with a sea temperature of 26 °C and air temperatures around 29 °C. The sea is above 20 °C from June to September.

Month Sea Air Sunshine Beach score
January 3.2 °C 5.1 °C 58 % 12
February 2.3 °C 6.8 °C 57 % 13
March 4.2 °C 11 °C 58 % 10
April 8.5 °C 18 °C 58 % 22
May 14 °C 23 °C 58 % 38
June 20 °C 27 °C 57 % 71
July 25 °C 30 °C 53 % 79
August 26 °C 29 °C 52 % 84
September 23 °C 25 °C 52 % 82
October 18 °C 19 °C 49 % 47
November 12 °C 13 °C 53 % 14
December 6.8 °C 7.4 °C 58 % 12

When to think twice

January scores lowest with about 9 wet days and highs near 5.1 °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 5.1 °C 90 mm 58 %
February 6.8 °C 81 mm 57 %
March 11.3 °C 114 mm 58 %
April 17.7 °C 97 mm 58 %
May 22.5 °C 101 mm 58 %
June 27.3 °C 98 mm 57 %
July 29.8 °C 109 mm 53 %
August 28.7 °C 102 mm 52 %
September 25.1 °C 125 mm 52 %
October 18.9 °C 104 mm 49 %
November 12.7 °C 88 mm 53 %
December 7.4 °C 109 mm 58 %

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.