Aleysk weather in May

In May, Aleysk sees average daytime highs of 20°C and overnight lows near 7°C, with 47 mm of precipitation across 8.8 wet days and about 15.5 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 22°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 36 min at the start of May to 16 h 12 min by month's end. Set against the rest of the year, May is Aleysk's 4th-clearest and 8th-windiest month. For the whole year in context, see Aleysk's year-round climate.

Daytime high
20°
4th warmest
Overnight low
9th coldest
Precipitation
47 mm
8.8 wet days
Daylight
15 h 30 min
4:40 AM – 8:10 PM
Cloud cover
59%
4th clearest
Wind
14 km/h
8th windiest
Solar energy
5.97 kWh/m²
Travel score
6.4
out of 10

Aleysk is human settlement in City of Aleysk, Altai Krai, Russia.

Founded
1913

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 17°C in the first days to 22°C by the end.

A typical May day in Aleysk reaches about 20°C in the afternoon and slips back to 7°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 29°C. Set against its neighbours, May runs about 8°C warmer than April and about 5°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1174
2174
3174
4174
5184
6185
7185
8185
9195
10196
11196
12196
13206
14207
15207
16207
17207
18207
19218
20218
21218
22218
23218
24229
25229
26229
27229
28229
292210
302310
312310

How May really feels in Aleysk

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Aleysk weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-11° / -20°226.68.280.0
Feb-8° / -18°205.66.59.50.0
Mar / -11°266.76.311.50.0
Apr12° / -0°377.52.213.63.2
May20° / 478.80.415.56.4
Jun25° / 13°5410.1016.56.8
Jul26° / 15°7112.3016.16.4
Aug24° / 12°438.6014.57.1
Sep18° / 388.30.112.45.8
Oct10° / -0°408.92.910.32.1
Nov-2° / -9°469.98.88.50.0
Dec-9° / -17°369.611.17.50.0

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 16% of May, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34159
44159
54258
64258
74258
84357
94357
104357
114456
124456
134456
144456
154555
164555
174555
184654
194654
204654
214654
224654
234654
244753
254753
264753
274753
284654
294753
304753
314753

Chance of precipitation in May

Any precipitationSnow

Aleysk gets around 47 mm of rain and snow over 8.8 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 29% and peaks near 31% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1283
2283
3283
4283
5273
6273
7273
8272
9272
10272
11272
12282
13282
14292
15302
16302
17312
18312
19312
20311
21311
22311
23311
24311
25311
26311
27300
28300
29300
30300
31300

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
610000
710000
810000
910000
1010000
1110000
1210000
1310000
1410000
1510000
1610000
1710000
1810000
1910000
2010000
2110000
229910
239910
249910
259910
269820
279820
289820
299631
309631
319541

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 36 min at the start of May to 16 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over May. Sunrise moves from 5:07 AM to 4:21 AM, and sunset from 7:45 PM to 8:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:077:45
214.75:057:47
314.75:037:48
414.85:017:50
514.94:597:52
614.94:587:53
715.04:567:55
815.04:547:57
915.14:527:59
1015.24:508:00
1115.24:498:02
1215.34:478:04
1315.34:458:05
1415.44:448:07
1515.44:428:08
1615.54:408:10
1715.54:398:12
1815.64:378:13
1915.64:368:15
2015.74:348:16
2115.74:338:18
2215.84:328:19
2315.84:308:21
2415.94:298:22
2515.94:288:23
2616.04:278:25
2716.04:258:26
2816.14:248:27
2916.14:238:29
3016.14:228:30
3116.24:218:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.97 kWh/m².

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 6.37 kWh/m² in June across the year — May's 5.97 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
156.0Bright
166.0Bright
176.0Bright
186.0Intense
196.0Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Aleysk?

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

6.4
Sightseeing
3rd-best month of the year
3.3
Beach & pool
4th-best month of the year

May is a reasonable time to visit Aleysk for sightseeing.

What to pack for Aleysk in May

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

In May, Aleysk sees daytime highs around 20°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 9 days see rain.

a warm layerrain gearsun protection

UV index in Aleysk 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 Aleysk peaks around July 18 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 18UV 6Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Aleysk 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 Aleysk is worst in April — around 16 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodGoodApr 1415 µg/m³Dec 166 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar12Good
Apr16Moderate
May9Good
Jun8Good
Jul13Moderate
Aug9Good
Sep7Good
Oct9Good
Nov8Good
Dec5Good
Location & terrain

Where is Aleysk?

Aleysk sits at 52.5°N, 82.8°E, 180 m above sea level, in Russia. The nearest listed city is Yuzhnyy, 104 km away.

Topography around Aleysk

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

Within 3 km, the terrain around Aleysk has only modest variations in elevation — a maximum elevation change of 56 m around an average of 173 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, significant variations in elevation — a maximum elevation change of 433 m.

The land around Aleysk is covered by grassland (48%), artificial surfaces (23%) and trees (20%) within 3 km, cropland (61%) and grassland (29%) within 16 km, and cropland (56%) and grassland (27%) within 80 km.

3 km
56 m
16 km
122 m
80 km
433 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Yuzhnyy 104 km · Novosilikatnyy 107 km · Barnaul 116 km · Novoaltaysk 129 km · Suzun 146 km · Rubtsovsk 153 km · Tal’menka 157 km · Biysk 164 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 Aleysk (52.4963°, 82.7747°, elevation 180 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).