Altay weather in May

In May, Altay sees average daytime highs of 18°C and overnight lows near 5°C, with 77 mm of precipitation across 9.9 wet days and about 15.1 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 20°C by the end. The sky is clear or mostly clear about 38% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of May to 15 h 42 min by month's end. Set against the rest of the year, May is Altay's 3rd-clearest and 1st-windiest month. For the whole year in context, see Altay's year-round climate.

Daytime high
18°
4th warmest
Overnight low
9th coldest
Precipitation
77 mm
9.9 wet days
Daylight
15 h 06 min
4:45 AM – 7:54 PM
Cloud cover
51%
3rd clearest
Wind
5 km/h
1st windiest
Solar energy
6.28 kWh/m²
Travel score
6.0
out of 10

Altay is town in Kazakhstan.

Founded
1791

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 16°C in the first days to 20°C by the end.

A typical May day in Altay reaches about 18°C in the afternoon and slips back to 5°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 25°C. Set against its neighbours, May runs about 7°C warmer than April and about 5°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1162
2162
3162
4163
5163
6173
7173
8173
9174
10174
11184
12184
13184
14185
15185
16185
17195
18195
19196
20196
21196
22196
23196
24207
25207
26207
27207
28207
29208
30218
31218

How May really feels in Altay

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.

Altay weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-12° / -21°499.310.38.40.0
Feb-8° / -19°418.299.80.0
Mar / -11°478.48.111.50.0
Apr11° / -2°669.73.613.52.8
May18° / 779.90.715.16.0
Jun23° / 11°8210.50166.8
Jul25° / 13°10312.1015.76.7
Aug23° / 10°769.3014.27.3
Sep18° / 6880.412.45.9
Oct / -2°8511.25.610.51.8
Nov-2° / -11°8311.111.18.80.0
Dec-10° / -18°7011.813.380.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35545
45545
55743
65743
75842
85842
95941
105941
115842
125941
135941
145941
155941
165842
175842
185842
195842
205842
215842
225842
235842
245842
255842
265842
275842
285842
295941
305941
315941

Chance of precipitation in May

Any precipitationSnow

Altay gets around 77 mm of rain and snow over 9.9 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 33% and peaks near 36% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1324
2324
3314
4314
5304
6303
7303
8293
9293
10293
11293
12293
13303
14313
15313
16323
17333
18333
19342
20342
21342
22352
23352
24352
25351
26361
27361
28361
29361
30360
31360

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
16991
17991
18991
19991
20991
21982
22982
23982
24973
25973
26964
27964
28955
29946
30937
31928

Wind in May

Winds average 5 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
76calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 24 min at the start of May to 15 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 5:09 AM to 4:28 AM, and sunset from 7:31 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:097:31
214.45:077:33
314.55:057:34
414.55:047:36
514.65:027:37
614.65:007:39
714.74:597:40
814.74:577:42
914.84:557:43
1014.94:547:45
1114.94:527:46
1215.04:517:48
1315.04:497:49
1415.14:487:51
1515.14:467:52
1615.14:457:54
1715.24:447:55
1815.24:427:56
1915.34:417:58
2015.34:407:59
2115.44:388:00
2215.44:378:02
2315.44:368:03
2415.54:358:04
2515.54:348:06
2615.64:338:07
2715.64:328:08
2815.64:318:09
2915.74:308:10
3015.74:298:11
3115.74:288:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.28 kWh/m².

For context, solar energy here swings from a low near 1 kWh/m² to a high of 6.5 kWh/m² in June across the year — May's 6.28 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
316.5Intense
Planning a trip in May

Is May a good time to visit Altay?

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

6.0
Sightseeing
4th-best month of the year
2.2
Beach & pool
4th-best month of the year

May is a reasonable time to visit Altay for sightseeing.

What to pack for Altay in May

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

In May, Altay sees daytime highs around 18°C and nights near 5°C. Pack sun protection. Worth having: a warm layer and rain gear. About 10 days see rain.

sun protectiona warm layerrain gear

UV index in Altay in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Altay peaks around July 19 at about 7 (very 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 19UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7Very high
Jun6High
Jul7Very high
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Altay 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 Altay is worst in April — around 18 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (December, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1517 µg/m³Dec 175 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar13Moderate
Apr18Moderate
May11Good
Jun8Good
Jul10Good
Aug9Good
Sep9Good
Oct10Good
Nov8Good
Dec4Good
Location & terrain

Where is Altay?

Altay sits at 49.7°N, 84.3°E, 460 m above sea level, in Kazakhstan. The nearest listed city is Ridder, 86 km away.

ShemonaikhaKalbatauGornyakZaysanGorno-AltayskMayma

Topography around Altay

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

Within 3 km, the terrain around Altay has significant variations in elevation — a maximum elevation change of 264 m around an average of 505 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 908 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,387 m.

The land around Altay is covered by trees (43%) and grassland (25%) within 3 km, grassland (46%), cropland (27%) and trees (23%) within 16 km, and grassland (52%) and trees (34%) within 80 km.

3 km
264 m
16 km
908 m
80 km
2,387 m
treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
May weather nearby: Ridder 86 km · Ust-Kamenogorsk 121 km · Shemonaikha 194 km · Kalbatau 199 km · Gornyak 242 km · Zaysan 256 km · Gorno-Altaysk 274 km · Mayma 277 km

Kazakhstan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$14,692
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
92%
of population, 2024
Homicide rate
2.6
per 100k, 2022
Road deaths
12.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 417
Religion
Muslim 69%Christian 17%non-believers 2%Buddhism 0%

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 Altay (49.7363°, 84.2542°, elevation 460 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).