Gumi weather in May

In May, Gumi has daytime highs averaging 24 °C, nights around 13 °C, with 7.4 wet days. Figures are 1991–2020 climate normals.

  1. Jan
  2. Feb
  3. Mar
  4. Apr 13°
  5. May 18°
  6. Jun 23°
  7. Jul 25°
  8. Aug 26°
  9. Sep 21°
  10. Oct 15°
  11. Nov
  12. Dec

Daily temperatures through May

19° 29° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 26.5 °C and lows bottom out at 10.5 °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 22.8 °C 11.2 °C 27 %
11–20 May 23.3 °C 12.4 °C 26 %
21–31 May 25.6 °C 14.2 °C 21 %
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 10, at 37 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 13 of 31 43 %
Days above 30 °C 1.1 of 31 3 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 7.4 of 31 24 %

Conditions in May

MeasureAverage
Mean temperature 18 °C
Record high (1991–2020) 35 °C
Record low (1991–2020) 4.2 °C
Relative humidity 64 %
Wind speed 14 km/h
Cloud cover 57 %

Where Gumi ranks in May

Ranking Position Value
Places with the best weather in Asia in May 25th of 50 93/100

May compared with the months around it

Month Avg high Rainfall Cloud
March 12.2 °C 54 mm 52 %
April 18.7 °C 79 mm 54 %
May 24.0 °C 89 mm 57 %
June 27.8 °C 132 mm 69 %
July 29.3 °C 223 mm 75 %

See all twelve months for Gumi

QuestionsMay in Gumi, answered

How warm is Gumi in May?

Daily highs average 24 °C and nights fall to about 13 °C, a spread of 11 °C between afternoon and dawn. That makes May the 5th warmest month of the year here.

Does it rain much in Gumi in May?

May averages 89 mm of rain, spread over about 7 of the 31 days — 24 % of the month. Cloud cover averages 57 % of the sky.

How long are the days in May?

Gumi 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.