Bratsk climate

Bratsk is warmest in July, with average highs of 21 °C, and coldest in January, when nights average -22 °C. August is the wettest month (61 mm) and February the driest (8.1 mm). Figures are 1991–2020 climate normals.

Across a full year Bratsk averages 365 mm of rain, 7 days above 25 °C and 207 days below freezing.

Russia · population 256,600 · 1991–2020 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°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

What to expectBratsk through the year

Bratsk has a clear annual cycle: average daily highs run from -17 °C in January to 21 °C in July, a swing of 37 °C in mean temperature across the year.

Counted across a normal year, 7 days a year reach 25 °C, 0 of them reach 30 °C, 207 nights drop below freezing. The warmest reading in the 1991–2020 record is 31 °C, in July.

Rain is strongly seasonal. August averages 61 mm against 8 mm in February — 7.5 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month Avg high Rainfall Cloud
January -17.4 °C 9 mm 81 %
February -13.4 °C 8 mm 75 %
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 %
August 19.2 °C 61 mm 61 %
September 11.8 °C 44 mm 67 %
October 3.3 °C 28 mm 75 %
November -6.8 °C 20 mm 84 %
December -14.6 °C 16 mm 85 %

Temperature month by month

MonthAvg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January-17.4 °C-22.5 °C-19.6 °C0.1 °C-45.3 °C0031
February-13.4 °C-19.7 °C-16.2 °C3.1 °C-45.9 °C0028
March-5.1 °C-12.6 °C-8.4 °C7.9 °C-28.7 °C0031
April3.3 °C-4.6 °C-0.3 °C21.9 °C-20.1 °C0027
May11.0 °C2.0 °C6.6 °C28.0 °C-8.9 °C0010
June18.0 °C9.6 °C13.8 °C28.8 °C-1.5 °C200
July21.0 °C14.0 °C17.5 °C30.7 °C7.6 °C300
August19.2 °C13.0 °C16.1 °C29.3 °C2.5 °C100
September11.8 °C6.0 °C9.1 °C25.2 °C-2.8 °C001
October3.3 °C-1.6 °C1.0 °C17.5 °C-17.8 °C0019
November-6.8 °C-12.0 °C-9.1 °C7.8 °C-33.3 °C0030
December-14.6 °C-20.1 °C-17.1 °C3.2 °C-42.1 °C0031

Rain, sun and wind month by month

MonthRainfallWet daysDaylightCloud coverHumidityWind
January9 mm37.6 h/day81 %76 %14 km/h
February8 mm39.5 h/day75 %75 %14 km/h
March11 mm412 h/day68 %73 %16 km/h
April19 mm614 h/day67 %67 %18 km/h
May39 mm1016 h/day63 %63 %17 km/h
June52 mm1018 h/day61 %70 %14 km/h
July58 mm1017 h/day62 %73 %13 km/h
August61 mm1015 h/day61 %72 %14 km/h
September44 mm1013 h/day67 %70 %16 km/h
October28 mm810 h/day75 %71 %17 km/h
November20 mm78.2 h/day84 %77 %17 km/h
December16 mm57.0 h/day85 %78 %15 km/h

Where Bratsk ranks

Planning a trip? See the best time to visit Bratsk.

QuestionsCommon questions about Bratsk’s climate

When is the best time to visit Bratsk?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Bratsk get?

In July, the warmest month, daily highs average 21 °C. About 0 days a year pass 30 °C. The highest value in the 1991–2020 record is 31 °C.

How cold does it get in winter?

Nights average -22 °C in January, the coldest month. A normal year has 207 nights below freezing.

Which month is wettest in Bratsk?

August, averaging 61 mm over 10 days with rain. The driest month is February with 8 mm. The year as a whole averages 365 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Bratsk rather than what any particular week will bring. Individual years can differ substantially from the normal.

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: monthly rankings, daylight hours, beach and comfort scores. 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.