Ait Melloul weather in May

In May, Ait Melloul has daytime highs averaging 26 °C, nights around 15 °C, with 1.0 wet days, and a sea temperature of 18 °C. Figures are 1991–2020 climate normals.

  1. Jan 14°
  2. Feb 16°
  3. Mar 18°
  4. Apr 19°
  5. May 20°
  6. Jun 22°
  7. Jul 24°
  8. Aug 25°
  9. Sep 23°
  10. Oct 21°
  11. Nov 18°
  12. Dec 15°

Daily temperatures through May

12° 21° 30° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 27.0 °C and lows bottom out at 14.4 °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 24.5 °C 14.6 °C 7 %
11–20 May 26.3 °C 15.6 °C 3 %
21–31 May 26.2 °C 16.0 °C 0 %
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 4, at 13 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 15 of 31 47 %
Days above 30 °C 4.2 of 31 14 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 1.0 of 31 3 %

Conditions in May

MeasureAverage
Mean temperature 20 °C
Record high (1991–2020) 43 °C
Record low (1991–2020) 9.9 °C
Relative humidity 69 %
Wind speed 21 km/h
Cloud cover 33 %

May compared with the months around it

Month Avg high Rainfall Cloud
March 23.4 °C 32 mm 33 %
April 24.0 °C 12 mm 32 %
May 25.7 °C 6 mm 33 %
June 27.6 °C 1 mm 30 %
July 30.6 °C under 1 mm 26 %

See all twelve months for Ait Melloul

QuestionsMay in Ait Melloul, answered

How warm is Ait Melloul in May?

Daily highs average 26 °C and nights fall to about 15 °C, a spread of 10 °C between afternoon and dawn. That makes May the 6th warmest month of the year here.

Does it rain much in Ait Melloul in May?

May averages 6 mm of rain, spread over about 1 of the 31 days — 3 % of the month. Cloud cover averages 33 % of the sky.

Is the sea warm enough to swim in May?

The sea averages 18 °C off Ait Melloul 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?

Ait Melloul averages 14 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.