Monthly Climate
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Best time to visit Owerri

December is the best time to visit Owerri for general sightseeing, with average highs of 33 °C and about 5 wet days. The comfortable season runs roughly December to January.

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 December comfort 62/100
The least cloud December 53 % average cloud cover
The least rain December 24 mm
Warmth February 34 °C
Cooler weather July 28 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 December 62 33 °C 5
2 January 61 34 °C 5
3 July 53 28 °C 29
4 August 53 28 °C 27
5 February 52 34 °C 10
6 September 52 29 °C 29
7 June 51 29 °C 28
8 October 50 29 °C 30
9 November 49 31 °C 18
10 May 46 30 °C 28
11 April 43 32 °C 25
12 March 40 33 °C 20

When to think twice

March scores lowest with about 20 wet days and highs near 33 °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 34.4 °C 25 mm 59 %
February 34.5 °C 52 mm 67 %
March 33.0 °C 132 mm 81 %
April 31.5 °C 210 mm 87 %
May 30.5 °C 270 mm 88 %
June 28.9 °C 296 mm 88 %
July 28.2 °C 310 mm 90 %
August 28.3 °C 277 mm 91 %
September 28.7 °C 323 mm 91 %
October 29.4 °C 304 mm 90 %
November 30.8 °C 115 mm 74 %
December 33.1 °C 24 mm 53 %

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.