Bata weather in May

In May, Bata has daytime highs averaging 29 °C, nights around 24 °C, with 30 wet days, and a sea temperature of 29 °C. Figures are 1991–2020 climate normals.

  1. Jan 26°
  2. Feb 26°
  3. Mar 26°
  4. Apr 26°
  5. May 26°
  6. Jun 25°
  7. Jul 24°
  8. Aug 24°
  9. Sep 25°
  10. Oct 25°
  11. Nov 25°
  12. Dec 25°

Daily temperatures through May

21° 27° 32° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 29.3 °C and lows bottom out at 23.4 °C.

How May develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 May 29.1 °C 24.1 °C 95 %
11–20 May 28.8 °C 24.0 °C 97 %
21–31 May 28.4 °C 23.8 °C 94 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in May. Wettest date over the 30 years: May 2, at 100 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 2.1 of 31 7 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 30 of 31 95 %

Conditions in May

MeasureAverage
Mean temperature 26 °C
Record high (1991–2020) 31 °C
Record low (1991–2020) 22 °C
Relative humidity 89 %
Wind speed 11 km/h
Cloud cover 86 %

Where Bata ranks in May

Ranking Position Value
Warmest sea temperatures in Africa in May 14th of 50 29 °C

May compared with the months around it

Month Avg high Rainfall Cloud
March 29.5 °C 249 mm 86 %
April 29.3 °C 259 mm 87 %
May 28.7 °C 279 mm 86 %
June 27.6 °C 183 mm 82 %
July 26.8 °C 115 mm 84 %

See all twelve months for Bata

QuestionsMay in Bata, answered

How warm is Bata in May?

Daily highs average 29 °C and nights fall to about 24 °C, a spread of 4.8 °C between afternoon and dawn. That makes May the 4th warmest month of the year here.

Does it rain much in Bata in May?

May averages 279 mm of rain, spread over about 30 of the 31 days — 95 % of the month. Cloud cover averages 86 % of the sky.

Is the sea warm enough to swim in May?

The sea averages 29 °C off Bata in May. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in May?

Bata averages 12 hours between sunrise and sunset in May. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

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: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. 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.