Monthly Climate
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Best time to visit Novo Hamburgo

May is the best time to visit Novo Hamburgo for general sightseeing, with average highs of 21 °C and about 10 wet days. The comfortable season runs roughly April to November.

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
The least cloud March 53 % average cloud cover
The least rain April 119 mm
Warmth January 29 °C
Cooler weather July 19 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 May 86 21 °C 10
2 April 84 25 °C 10
3 September 84 22 °C 12
4 August 84 21 °C 10
5 October 81 24 °C 14
6 June 80 19 °C 10
7 November 79 26 °C 12
8 July 78 19 °C 11
9 March 73 27 °C 13
10 December 70 28 °C 13
11 February 67 28 °C 14
12 January 65 29 °C 15

When to think twice

January scores lowest with about 15 wet days and highs near 29 °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 28.7 °C 166 mm 56 %
February 28.3 °C 145 mm 56 %
March 27.0 °C 126 mm 53 %
April 24.5 °C 119 mm 55 %
May 20.9 °C 122 mm 59 %
June 19.2 °C 126 mm 61 %
July 18.7 °C 157 mm 58 %
August 20.8 °C 132 mm 55 %
September 21.7 °C 160 mm 61 %
October 23.8 °C 195 mm 65 %
November 25.8 °C 140 mm 55 %
December 28.1 °C 145 mm 55 %

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.