Ulan-Ude climate

Name: Ulan-Ude
Address: RU

Ulan-Ude is warmest in July, with average highs of 26 °C, and coldest in January, when nights average -28 °C. August is the wettest month (67 mm) and January the driest (3.1 mm). Figures are 1991–2020 climate normals.

Across a full year Ulan-Ude averages 296 mm of rain, 46 days above 25 °C and 210 days below freezing.

Russia · population 360,278 · 1991–2020 normals

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

Warmest month July 26 °C
Coldest month January -28 °C
Driest month January 3 mm
Wettest month August 67 mm
Least cloud March 51 % cloud
Hottest on record July 38 °C
Coldest on record January -42 °C

What to expectUlan-Ude through the year

Ulan-Ude has a clear annual cycle: average daily highs run from -16 °C in January to 26 °C in July, a swing of 42 °C in mean temperature across the year.

Counted across a normal year, 46 days a year reach 25 °C, 12 of them reach 30 °C, 210 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in July.

Rain is strongly seasonal. August averages 67 mm against 3 mm in January — 22 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-16.2 °C	3 mm	57 %
February	-9.6 °C	3 mm	53 %
March	-0.1 °C	5 mm	51 %
April	9.4 °C	15 mm	54 %
May	17.1 °C	31 mm	55 %
June	23.8 °C	44 mm	57 %
July	25.9 °C	52 mm	60 %
August	23.1 °C	67 mm	60 %
September	15.6 °C	44 mm	56 %
October	6.2 °C	14 mm	54 %
November	-4.5 °C	10 mm	67 %
December	-13.8 °C	8 mm	64 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	-16.2 °C	-27.8 °C	-22.1 °C	-1.6 °C	-42.5 °C	0	0	31
February	-9.6 °C	-24.7 °C	-16.9 °C	4.9 °C	-42.0 °C	0	0	28
March	-0.1 °C	-13.8 °C	-6.5 °C	18.2 °C	-31.1 °C	0	0	31
April	9.4 °C	-2.4 °C	3.4 °C	26.6 °C	-16.9 °C	0	0	24
May	17.1 °C	3.5 °C	10.5 °C	34.0 °C	-8.6 °C	3	1	6
June	23.8 °C	11.2 °C	17.8 °C	37.9 °C	-1.3 °C	13	4	0
July	25.9 °C	14.6 °C	20.4 °C	38.3 °C	6.2 °C	18	5	0
August	23.1 °C	12.3 °C	17.7 °C	37.6 °C	0.1 °C	10	2	0
September	15.6 °C	4.9 °C	10.2 °C	29.4 °C	-3.8 °C	1	0	2
October	6.2 °C	-3.2 °C	1.3 °C	19.8 °C	-16.6 °C	0	0	26
November	-4.5 °C	-13.1 °C	-8.9 °C	10.0 °C	-31.0 °C	0	0	30
December	-13.8 °C	-23.2 °C	-18.5 °C	0.0 °C	-39.1 °C	0	0	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	3 mm	1	8.3 h/day	57 %	74 %	11 km/h
February	3 mm	1	9.9 h/day	53 %	72 %	13 km/h
March	5 mm	2	12 h/day	51 %	61 %	15 km/h
April	15 mm	4	14 h/day	54 %	47 %	18 km/h
May	31 mm	6	16 h/day	55 %	50 %	18 km/h
June	44 mm	7	17 h/day	57 %	57 %	16 km/h
July	52 mm	9	16 h/day	60 %	64 %	13 km/h
August	67 mm	10	15 h/day	60 %	69 %	13 km/h
September	44 mm	8	13 h/day	56 %	70 %	15 km/h
October	14 mm	4	11 h/day	54 %	68 %	14 km/h
November	10 mm	3	8.8 h/day	67 %	72 %	14 km/h
December	8 mm	3	7.8 h/day	64 %	75 %	12 km/h

How Ulan-Ude compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Ulan-Ude	26 °C	-28 °C	296 mm	46
Irkutsk · Russia	24 °C	-24 °C	456 mm	37
Angarsk · Russia	25 °C	-26 °C	393 mm	42
Chita · Russia	25 °C	-29 °C	355 mm	36
Ulan Bator · Mongolia	24 °C	-25 °C	321 mm	27

Where Ulan-Ude ranks

Ranking	Position	Value
The driest places in Europe in October	2ndof 50	14 mm
Places with the best weather in Europe in June	3rdof 50	93/100
The driest places in Europe in February	3rdof 50	3.1 mm
The driest places in Europe in January	3rdof 50	3.1 mm
The driest places in Europe in March	3rdof 50	5.4 mm
The driest places in Europe in November	3rdof 50	9.8 mm

Planning a trip? See the best time to visit Ulan-Ude.

QuestionsCommon questions about Ulan-Ude’s climate

When is the best time to visit Ulan-Ude?

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 January the driest. The month-by-month table above has the full picture.

How hot does Ulan-Ude get?

In July, the warmest month, daily highs average 26 °C. About 12 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average -28 °C in January, the coldest month. A normal year has 210 nights below freezing.

Which month is wettest in Ulan-Ude?

August, averaging 67 mm over 10 days with rain. The driest month is January with 3 mm. The year as a whole averages 296 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 Ulan-Ude rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

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.