Climate Insights for Biryusinsk

, Irkutsk Oblast, Russia

Hottest
July
25°C peak
Coldest
January
-24°C low
Wettest
July
71mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Biryusinsk is cold. The average annual temperature is 1°C and approximately 480mm of precipitation falls per year. July is the wettest month, receiving around 71mm of rainfall. Biryusinsk is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -24°C. Snowfall occurs from January to December, with around 111cm accumulating over the season.

Temperature

-30° -20° -10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -13° Average: -18° Min: -24° Feb Max: -9° Average: -15° Min: -22° Mar Max: 1° Average: -5° Min: -12° Apr Max: 9° Average: 4° Min: -3° May Max: 16° Average: 10° Min: 3° Jun Max: 24° Average: 18° Min: 11° Jul Max: 25° Average: 19° Min: 13° Aug Max: 23° Average: 17° Min: 11° Sep Max: 14° Average: 9° Min: 3° Oct Max: 6° Average: 1° Min: -4° Nov Max: -6° Average: -9° Min: -14° Dec Max: -11° Average: -15° Min: -20°
Max
Average
Min

Biryusinsk has a wide annual temperature range, spanning 49°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 25°C with a mean of 19°C. January brings the harshest conditions, with lows dropping to -24°C and an average temperature of -18°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 10°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 19mm Snow: 16mm Feb Precipitation: 16mm Snow: 14mm Mar Precipitation: 21mm Snow: 15mm Apr Precipitation: 35mm Snow: 9mm May Precipitation: 51mm Snow: 3mm Jun Precipitation: 55mm Snow: 0mm Jul Precipitation: 71mm Snow: 0mm Aug Precipitation: 61mm Snow: 0mm Sep Precipitation: 63mm Snow: 2mm Oct Precipitation: 34mm Snow: 9mm Nov Precipitation: 25mm Snow: 20mm Dec Precipitation: 28mm Snow: 24mm
Precipitation
Snow

Biryusinsk is a relatively dry area, receiving approximately 480mm of precipitation annually, which averages out to around 40mm per month. The wettest month is July, averaging 71mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 16mm. That's 55mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 111cm accumulating over the season. December typically sees the most snow at around 24cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 14km/h Feb Wind Speed: 14km/h Mar Wind Speed: 17km/h Apr Wind Speed: 18km/h May Wind Speed: 17km/h Jun Wind Speed: 14km/h Jul Wind Speed: 13km/h Aug Wind Speed: 13km/h Sep Wind Speed: 15km/h Oct Wind Speed: 15km/h Nov Wind Speed: 16km/h Dec Wind Speed: 16km/h
Wind Speed

Biryusinsk is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Biryusinsk, which began on March 20, 2026. Biryusinsk is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 25°C, while the coldest stretch bottoms out in January near -24°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from -12 to 16°C. Rainfall is relatively light, with around 107mm over the season and a monthly average of 36mm. Winds are moderate at around 18km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 11 to 25°C. Precipitation is moderate at around 187mm for the season, averaging 62mm per month. Winds are generally light, averaging 13km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -14 to 14°C. Rainfall is relatively light, with around 123mm over the season and a monthly average of 41mm. Expect around 31cm of snow accumulation during this period. Winds are moderate at around 15km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -24 to -9°C. Rainfall is relatively light, with around 63mm over the season and a monthly average of 21mm. Expect around 53cm of snow accumulation during this period. Winds are generally light, averaging 14km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -18°
Feb -15°
Mar -5°
Apr
May 10°
Jun 18°
Jul 19°
Aug 17°
Sep
Oct
Nov -9°
Dec -15°

The best time to visit Biryusinsk is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 62mm per month. By contrast, January can be quite cold with temperatures dropping to -24°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Biryusinsk based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-24 °C
-13 °C
14 km/h
19 mm
16 cm
Feb
-22 °C
-9 °C
14 km/h
16 mm
14 cm
Mar Current
-12 °C
1 °C
17 km/h
21 mm
15 cm
Apr
-3 °C
9 °C
18 km/h
35 mm
9 cm
May
3 °C
16 °C
17 km/h
51 mm
3 cm
Jun
11 °C
24 °C
14 km/h
55 mm
0 cm
Jul
13 °C
25 °C
13 km/h
71 mm
0 cm
Aug
11 °C
23 °C
13 km/h
61 mm
0 cm
Sep
3 °C
14 °C
15 km/h
63 mm
2 cm
Oct
-4 °C
6 °C
15 km/h
34 mm
9 cm
Nov
-14 °C
-6 °C
16 km/h
25 mm
20 cm
Dec
-20 °C
-11 °C
16 km/h
28 mm
24 cm
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Metric (°C, km/h)