Porto-Novo weather in June

In June, Porto-Novo has daytime highs averaging 28 °C, nights around 24 °C, with 27 wet days, and a sea temperature of 28 °C. Figures are 1991–2020 climate normals.

  1. Jan 27°
  2. Feb 28°
  3. Mar 28°
  4. Apr 28°
  5. May 27°
  6. Jun 26°
  7. Jul 25°
  8. Aug 25°
  9. Sep 25°
  10. Oct 26°
  11. Nov 27°
  12. Dec 27°

Daily temperatures through June

21° 26° 31° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 28.9 °C and lows bottom out at 23.6 °C.

How June 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 June 28.5 °C 24.3 °C 89 %
11–20 June 28.0 °C 24.1 °C 90 %
21–30 June 27.6 °C 23.8 °C 86 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in June. Wettest date over the 30 years: June 1, at 100 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical June Share of the month
Days above 25 °C 30 of 30 99 %
Days above 30 °C 1.1 of 30 4 %
Days below 0 °C 0 of 30 0 %
Days with more than 1 mm rain 27 of 30 88 %

Conditions in June

MeasureAverage
Mean temperature 26 °C
Record high (1991–2020) 32 °C
Record low (1991–2020) 22 °C
Relative humidity 86 %
Wind speed 15 km/h
Cloud cover 81 %

Where Porto-Novo ranks in June

Ranking Position Value
Warmest sea temperatures in Africa in June 16th of 50 28 °C

June compared with the months around it

Month Avg high Rainfall Cloud
April 30.7 °C 98 mm 74 %
May 29.7 °C 171 mm 80 %
June 28.1 °C 223 mm 81 %
July 27.1 °C 144 mm 81 %
August 26.9 °C 93 mm 80 %

See all twelve months for Porto-Novo

QuestionsJune in Porto-Novo, answered

How warm is Porto-Novo in June?

Daily highs average 28 °C and nights fall to about 24 °C, a spread of 4.0 °C between afternoon and dawn. That makes June the 9th warmest month of the year here.

Does it rain much in Porto-Novo in June?

June averages 223 mm of rain, spread over about 27 of the 30 days — 88 % of the month. Cloud cover averages 81 % of the sky.

Is the sea warm enough to swim in June?

The sea averages 28 °C off Porto-Novo in June. 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 June?

Porto-Novo averages 13 hours between sunrise and sunset in June. 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.