Insein weather in May

In May, Insein has daytime highs averaging 33 °C, nights around 26 °C, with 22 wet days. Figures are 1991–2020 climate normals.

  1. Jan 24°
  2. Feb 26°
  3. Mar 29°
  4. Apr 31°
  5. May 29°
  6. Jun 27°
  7. Jul 26°
  8. Aug 26°
  9. Sep 26°
  10. Oct 27°
  11. Nov 26°
  12. Dec 25°

Daily temperatures through May

23° 31° 38° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 35.9 °C and lows bottom out at 25.0 °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 35.6 °C 26.3 °C 45 %
11–20 May 33.2 °C 25.8 °C 71 %
21–31 May 31.1 °C 25.2 °C 93 %
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 29, at 100 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 24 of 31 78 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 22 of 31 71 %

Conditions in May

MeasureAverage
Mean temperature 29 °C
Record high (1991–2020) 42 °C
Record low (1991–2020) 23 °C
Relative humidity 77 %
Wind speed 15 km/h
Cloud cover 73 %

May compared with the months around it

Month Avg high Rainfall Cloud
March 35.9 °C 9 mm 21 %
April 37.2 °C 33 mm 32 %
May 33.2 °C 249 mm 73 %
June 29.7 °C 439 mm 95 %
July 29.2 °C 463 mm 96 %

See all twelve months for Insein

QuestionsMay in Insein, answered

How warm is Insein in May?

Daily highs average 33 °C and nights fall to about 26 °C, a spread of 7.5 °C between afternoon and dawn. That makes May the 2nd warmest month of the year here.

Does it rain much in Insein in May?

May averages 249 mm of rain, spread over about 22 of the 31 days — 71 % of the month. Cloud cover averages 73 % of the sky.

How long are the days in May?

Insein averages 13 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.