Maebashi weather in May

In May, Maebashi has daytime highs averaging 22 °C, nights around 12 °C, with 14 wet days. Figures are 1991–2020 climate normals.

  1. Jan 2°
  2. Feb 2°
  3. Mar 6°
  4. Apr 12°
  5. May 17°
  6. Jun 20°
  7. Jul 24°
  8. Aug 25°
  9. Sep 21°
  10. Oct 15°
  11. Nov 10°
  12. Dec 5°

Daily temperatures through May

7° 17° 27° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 24.3 °C and lows bottom out at 9.6 °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 20.7 °C 10.6 °C 41 %
11–20 May 21.3 °C 11.9 °C 49 %
21–31 May 22.7 °C 13.5 °C 44 %
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 30, at 60 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 5.3 of 31 17 %
Days above 30 °C 0.5 of 31 2 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 14 of 31 45 %

Conditions in May

MeasureAverage
Mean temperature 17 °C
Record high (1991–2020) 35 °C
Record low (1991–2020) 2.4 °C
Relative humidity 72 %
Wind speed 12 km/h
Cloud cover 68 %

May compared with the months around it

Month Avg high Rainfall Cloud
March 11.4 °C 114 mm 59 %
April 17.0 °C 120 mm 61 %
May 21.6 °C 139 mm 68 %
June 24.2 °C 183 mm 80 %
July 27.6 °C 216 mm 78 %

See all twelve months for Maebashi

QuestionsMay in Maebashi, answered

How warm is Maebashi in May?

Daily highs average 22 °C and nights fall to about 12 °C, a spread of 9.5 °C between afternoon and dawn. That makes May the 5th warmest month of the year here.

Does it rain much in Maebashi in May?

May averages 139 mm of rain, spread over about 14 of the 31 days — 45 % of the month. Cloud cover averages 68 % of the sky.

How long are the days in May?

Maebashi 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.