Baykal’sk weather in May

In May, Baykal’sk sees average daytime highs of 10°C and overnight lows near 2°C, with 60 mm of precipitation across 10.8 wet days and about 15.3 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 12°C by the end. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of May to 16 hours by month's end. Set against the rest of the year, May is Baykal’sk's 5th-clearest and 1st-windiest month. For the whole year in context, see Baykal’sk's year-round climate.

Daytime high
10°
5th warmest
Overnight low
8th coldest
Precipitation
60 mm
10.8 wet days
Daylight
15 h 24 min
5:19 AM – 8:41 PM
Cloud cover
60%
5th clearest
Wind
12 km/h
1st windiest
Solar energy
6.2 kWh/m²
Travel score
2.0
out of 10

Baykal’sk is town in Slyudyansky District, Irkutsk Oblast, Russia.

Density
19/km²
people per km²
Founded
1961

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 7°C in the first days to 12°C by the end.

A typical May day in Baykal’sk reaches about 10°C in the afternoon and slips back to 2°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 15°C. Set against its neighbours, May runs about 6°C warmer than April and about 6°C cooler than June.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
16-1
26-1
37-1
470
570
670
770
880
981
1081
1181
1291
1391
1492
1592
16102
17102
18103
19103
20103
21113
22113
23114
24114
25124
26124
27125
28125
29125
30135
31135

How May really feels in Baykal’sk

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 20 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
20
wind chill below the day's low

The story in May is cold — wind chill drags the overnight "feels like" below the raw low.

Baykal’sk weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-13° / -18°114.16.98.10.0
Feb-10° / -16°103.55.39.60.0
Mar-4° / -10°226.57.611.50.0
Apr / -3°358.77.813.50.1
May10° / 6010.84.515.32.0
Jun16° / 9613.10.416.34.4
Jul18° / 13°15115.5015.95.2
Aug18° / 13°16215.70.114.45.1
Sep13° / 11314.33.512.43.3
Oct / 5510.98.410.40.7
Nov-2° / -7°4412.214.28.60.0
Dec-8° / -13°278.9127.70.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34852
44951
55050
64951
74951
85050
94951
104852
114951
124852
134852
144852
154654
164654
174654
184654
194654
204555
214456
224555
234555
244654
254654
264654
274654
284654
294654
304654
314654

Chance of precipitation in May

Any precipitationSnow

Baykal’sk gets around 60 mm of rain and snow over 10.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 35% and peaks near 41% on the wettest days, and about 5 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13222
23222
33221
43220
53220
63219
73218
83218
93117
103116
113215
123215
133214
143214
153314
163314
173413
183413
193513
203613
213612
223712
233811
243911
253910
264010
27409
28418
29417
30417
31416

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 12 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 16 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 5:45 AM to 5:01 AM, and sunset from 8:17 PM to 9:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:458:17
214.65:438:18
314.75:418:20
414.75:398:22
514.85:378:23
614.85:358:25
714.95:348:26
814.95:328:28
915.05:308:30
1015.05:288:31
1115.15:278:33
1215.25:258:34
1315.25:238:36
1415.35:228:38
1515.35:208:39
1615.45:198:41
1715.45:178:42
1815.55:168:44
1915.55:148:45
2015.65:138:47
2115.65:128:48
2215.65:108:49
2315.75:098:51
2415.75:088:52
2515.85:078:53
2615.85:068:55
2715.95:058:56
2815.95:048:57
2915.95:038:59
3016.05:029:00
3116.05:019:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.2 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.87 kWh/m² to a high of 6.2 kWh/m² in May across the year — May's 6.2 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Intense
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Hazard calendar for Baykal’sk

In seasonPeak

None of Baykal’sk's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Baykal’sk's rainy season runs June–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Baykal’sk?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.0
Sightseeing
5th-best month of the year
0.0
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Baykal’sk.

What to pack for Baykal’sk in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Baykal’sk sees daytime highs around 10°C and nights near 2°C. Pack a warm layer and sun protection. Worth having: rain gear. About 11 days see rain.

a warm layersun protectionrain gear

UV index in Baykal’sk in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Baykal’sk peaks around July 12 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 7Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr6High
May6High
Jun6High
Jul7High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Baykal’sk in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Baykal’sk is worst in June — around 17 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (November, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1916 µg/m³Nov 205 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar9Good
Apr12Good
May11Good
Jun17Moderate
Jul14Moderate
Aug12Good
Sep6Good
Oct5Good
Nov5Good
Dec5Good
Location & terrain

Where is Baykal’sk?

Baykal’sk sits at 51.5°N, 104.1°E, 495 m above sea level, in Russia. The nearest listed city is Slyudyanka, 34 km away.

Topography around Baykal’sk

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Baykal’sk.

Within 3 km, the terrain around Baykal’sk has significant variations in elevation — a maximum elevation change of 541 m around an average of 537 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,663 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,962 m.

The land around Baykal’sk is covered by trees (67%) and water (23%) within 3 km, trees (51%) and water (44%) within 16 km, and trees (68%) within 80 km.

3 km
541 m
16 km
1,663 m
80 km
1,962 m
treesgrasslandartificial surfacesbare terrainwatermoss and lichen
May weather nearby: Slyudyanka 34 km · Markova 77 km · Shelekhov 78 km · Irkutsk 87 km · Angarsk 117 km · Usol’ye-Sibirskoye 142 km · Gusinoozyorsk 166 km · Cheremkhovo 195 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Baykal’sk (51.515°, 104.1402°, elevation 495 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).