Monthly Climate
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Best time to visit Riga

July is the best time to visit Riga for general sightseeing, with average highs of 22 °C and about 12 wet days. The comfortable season runs roughly June to August.

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 85/100
A beach holiday July sea 18 °C
The least cloud May 54 % average cloud cover
The least rain March 39 mm
Warmth July 22 °C
Cooler weather January -0.8 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 July 85 22 °C 12 50
2 June 83 20 °C 11 28
3 August 83 22 °C 13 48
4 May 71 16 °C 10 19
5 September 71 17 °C 11 23
6 April 47 11 °C 9 12
7 October 39 10 °C 14 3
8 March 25 3.9 °C 10 11
9 February 23 -0.4 °C 10 11
10 November 22 4.4 °C 13 5
11 January 20 -0.8 °C 11 8
12 December 19 0.8 °C 12 7

For a beach holiday

July scores highest, with a sea temperature of 18 °C and air temperatures around 22 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 2.3 °C -0.8 °C 82 % 8
February 0.9 °C -0.4 °C 80 % 11
March 1.0 °C 3.9 °C 68 % 11
April 3.4 °C 11 °C 59 % 12
May 8.6 °C 16 °C 54 % 19
June 14 °C 20 °C 57 % 28
July 18 °C 22 °C 55 % 50
August 19 °C 22 °C 58 % 48
September 16 °C 17 °C 64 % 23
October 11 °C 10 °C 72 % 3
November 7.6 °C 4.4 °C 83 % 5
December 4.8 °C 0.8 °C 83 % 7

When to think twice

December scores lowest with about 12 wet days and highs near 0.8 °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 -0.8 °C 46 mm 82 %
February -0.4 °C 39 mm 80 %
March 3.9 °C 39 mm 68 %
April 10.8 °C 42 mm 59 %
May 16.4 °C 52 mm 54 %
June 20.0 °C 73 mm 57 %
July 22.4 °C 71 mm 55 %
August 21.6 °C 80 mm 58 %
September 16.6 °C 68 mm 64 %
October 10.0 °C 80 mm 72 %
November 4.4 °C 58 mm 83 %
December 0.8 °C 49 mm 83 %

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.