Higashihiroshima weather in May

In May, Higashihiroshima has daytime highs averaging 22 °C, nights around 13 °C, with 10 wet days. Figures are 1991–2020 climate normals.

  1. Jan 3°
  2. Feb 4°
  3. Mar 8°
  4. Apr 13°
  5. May 17°
  6. Jun 21°
  7. Jul 25°
  8. Aug 26°
  9. Sep 22°
  10. Oct 17°
  11. Nov 11°
  12. Dec 6°

Daily temperatures through May

9° 18° 26° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 23.3 °C and lows bottom out at 11.2 °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 20.5 °C 12.0 °C 34 %
11–20 May 21.4 °C 12.9 °C 34 %
21–31 May 22.7 °C 14.4 °C 32 %
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 47 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 2.6 of 31 8 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 10 of 31 33 %

Conditions in May

MeasureAverage
Mean temperature 17 °C
Record high (1991–2020) 30 °C
Record low (1991–2020) 3.8 °C
Relative humidity 73 %
Wind speed 13 km/h
Cloud cover 64 %

May compared with the months around it

Month Avg high Rainfall Cloud
March 12.0 °C 101 mm 59 %
April 17.1 °C 119 mm 59 %
May 21.6 °C 133 mm 64 %
June 24.7 °C 209 mm 77 %
July 28.0 °C 222 mm 71 %

See all twelve months for Higashihiroshima

QuestionsMay in Higashihiroshima, answered

How warm is Higashihiroshima in May?

Daily highs average 22 °C and nights fall to about 13 °C, a spread of 8.4 °C between afternoon and dawn. That makes May the 5th warmest month of the year here.

Does it rain much in Higashihiroshima in May?

May averages 133 mm of rain, spread over about 10 of the 31 days — 33 % of the month. Cloud cover averages 64 % of the sky.

How long are the days in May?

Higashihiroshima 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.