Garanhuns weather in May

In May, Garanhuns has daytime highs averaging 24 °C, nights around 18 °C, with 17 wet days. Figures are 1991–2020 climate normals.

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

Daily temperatures through May

15° 22° 28° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 25.2 °C and lows bottom out at 17.6 °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 24.8 °C 18.1 °C 54 %
11–20 May 24.5 °C 17.9 °C 52 %
21–31 May 24.0 °C 17.7 °C 56 %
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 25, at 70 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 10 of 31 32 %
Days above 30 °C 0.03 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 17 of 31 54 %

Conditions in May

MeasureAverage
Mean temperature 20 °C
Record high (1991–2020) 31 °C
Record low (1991–2020) 14 °C
Relative humidity 84 %
Wind speed 16 km/h
Cloud cover 74 %

May compared with the months around it

Month Avg high Rainfall Cloud
March 27.1 °C 61 mm 67 %
April 26.1 °C 67 mm 71 %
May 24.4 °C 69 mm 74 %
June 22.6 °C 77 mm 75 %
July 21.7 °C 70 mm 75 %

See all twelve months for Garanhuns

QuestionsMay in Garanhuns, answered

How warm is Garanhuns in May?

Daily highs average 24 °C and nights fall to about 18 °C, a spread of 6.5 °C between afternoon and dawn. That makes May the 8th warmest month of the year here.

Does it rain much in Garanhuns in May?

May averages 69 mm of rain, spread over about 17 of the 31 days — 54 % of the month. Cloud cover averages 74 % of the sky.

How long are the days in May?

Garanhuns 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.