Monthly Climate
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Best time to visit Parnamirim

September is the best time to visit Parnamirim for general sightseeing, with average highs of 29 °C and about 7 wet days. The comfortable season runs roughly July 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 September comfort 68/100
A beach holiday October sea 27 °C
The least cloud September 38 % average cloud cover
The least rain October 15 mm
Warmth December 30 °C
Cooler weather July 27 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 September 68 29 °C 7 91
2 October 67 29 °C 6 92
3 August 66 28 °C 10 85
4 November 66 30 °C 5 91
5 December 60 30 °C 9 82
6 July 59 27 °C 17 74
7 June 55 28 °C 18 74
8 January 53 30 °C 15 70
9 February 52 30 °C 16 69
10 May 51 29 °C 18 71
11 April 48 29 °C 21 70
12 March 47 30 °C 20 69

For a beach holiday

October scores highest, with a sea temperature of 27 °C and air temperatures around 29 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 28 °C 30 °C 58 % 70
February 28 °C 30 °C 60 % 69
March 29 °C 30 °C 61 % 69
April 29 °C 29 °C 64 % 70
May 28 °C 29 °C 54 % 71
June 27 °C 28 °C 52 % 74
July 27 °C 27 °C 48 % 74
August 26 °C 28 °C 41 % 85
September 26 °C 29 °C 38 % 91
October 27 °C 29 °C 41 % 92
November 27 °C 30 °C 48 % 91
December 28 °C 30 °C 51 % 82

When to think twice

March scores lowest with about 20 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 29.8 °C 56 mm 58 %
February 29.8 °C 74 mm 60 %
March 29.5 °C 109 mm 61 %
April 29.0 °C 138 mm 64 %
May 28.6 °C 106 mm 54 %
June 27.5 °C 105 mm 52 %
July 27.0 °C 95 mm 48 %
August 27.5 °C 34 mm 41 %
September 28.5 °C 20 mm 38 %
October 29.4 °C 15 mm 41 %
November 29.8 °C 15 mm 48 %
December 30.0 °C 27 mm 51 %

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.