Bratsk weather in May

In May, Bratsk has daytime highs averaging 11 °C, nights around 2.0 °C, with 10 wet days. Figures are 1991–2020 climate normals.

  1. Jan -20°
  2. Feb -16°
  3. Mar -8°
  4. Apr
  5. May
  6. Jun 14°
  7. Jul 17°
  8. Aug 16°
  9. Sep
  10. Oct
  11. Nov -9°
  12. Dec -17°

Daily temperatures through May

-5°17°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 14.7 °C and lows bottom out at -2.0 °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.

DaysAvg highAvg lowChance of rain
1–10 May8.0 °C-0.5 °C33 %
11–20 May11.0 °C1.8 °C31 %
21–31 May13.4 °C4.3 °C35 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in May. Wettest date over the 30 years: May 25, 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 0.1 of 31 0 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 9.5 of 31 31 %
Days with more than 1 mm rain 10 of 31 33 %

Conditions in May

MeasureAverage
Mean temperature 6.6 °C
Record high (1991–2020) 28 °C
Record low (1991–2020) -8.9 °C
Relative humidity 63 %
Wind speed 17 km/h
Cloud cover 63 %

Where Bratsk ranks in May

RankingPositionValue
The coolest places in Europe in May11thof 5011 °C
The coolest places in the world in May18thof 5011 °C
The driest places in Europe in May47thof 5039 mm

May compared with the months around it

Month Avg high Rainfall Cloud
March -5.1 °C 11 mm 68 %
April 3.3 °C 19 mm 67 %
May 11.0 °C 39 mm 63 %
June 18.0 °C 52 mm 61 %
July 21.0 °C 58 mm 62 %

See all twelve months for Bratsk

Nearby destinations in May

Destination Avg high Wet days
Bratsk 11 °C 10
Angarsk 17 °C 8
Irkutsk 17 °C 9

QuestionsMay in Bratsk, answered

How warm is Bratsk in May?

Daily highs average 11 °C and nights fall to about 2.0 °C, a spread of 9.0 °C between afternoon and dawn. That makes May the 5th warmest month of the year here.

Does it rain much in Bratsk in May?

May averages 39 mm of rain, spread over about 10 of the 31 days — 33 % of the month. Cloud cover averages 63 % of the sky.

How long are the days in May?

Bratsk averages 16 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.