Aldan weather in May

In May, Aldan sees average daytime highs of 9°C and overnight lows near -1°C, with 85 mm of precipitation across 14.6 wet days and about 16.5 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 5°C in the first days to 14°C by the end. The sky is clear or mostly clear about 10% of the time in May, and the air most often feels dry.

Daylight stretches from about 15 h 18 min at the start of May to 17 h 24 min by month's end. Set against the rest of the year, May is Aldan's 7th-clearest and 1st-windiest month. For the whole year in context, see Aldan's year-round climate.

Daytime high: 9°; 4th warmest
Overnight low: -1°; 8th coldest
Precipitation: 85 mm; 14.6 wet days
Daylight: 16 h 30 min; 4:20 AM – 8:50 PM
Cloud cover: 78%; 7th clearest
Wind: 10 km/h; 1st windiest
Solar energy: 5.31 kWh/m²
Travel score: 1.6; out of 10

Aldan is city in Sakha Republic.

Density: 740/km²; people per km²
Founded: 1924

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

← April Aldan year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 5°C in the first days to 14°C by the end.

A typical May day in Aldan reaches about 9°C in the afternoon and slips back to -1°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 16°C. Set against its neighbours, May runs about 10°C warmer than April and about 9°C cooler than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	5	5	5	6	6	6	6	7	7	7	8	8	8	9	9	9	9	10	10	10	11	11	11	12	12	12	13	13	14	14	14
Avg low (°C)	-5	-4	-4	-4	-4	-3	-3	-3	-3	-2	-2	-2	-1	-1	-1	-1	0	0	0	0	1	1	1	1	2	2	2	3	3	3	3

	Avg high (°C)	Avg low (°C)
1	5	-5
2	5	-4
3	5	-4
4	6	-4
5	6	-4
6	6	-3
7	6	-3
8	7	-3
9	7	-3
10	7	-2
11	8	-2
12	8	-2
13	8	-1
14	9	-1
15	9	-1
16	9	-1
17	9	0
18	10	0
19	10	0
20	10	0
21	11	1
22	11	1
23	11	1
24	12	1
25	12	2
26	12	2
27	13	2
28	13	3
29	14	3
30	14	3
31	14	3

How May really feels in Aldan

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 28 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Aldan 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-26° / -32°	10	3.6	7.2	6.8	0.0
Feb	-21° / -29°	10	3.7	6.9	8.8	0.0
Mar	-12° / -21°	19	6.7	10.5	11.4	0.0
Apr	-1° / -10°	38	9.6	10.9	14	0.0
May	9° / -1°	85	14.6	7.7	16.5	1.6
Jun	18° / 7°	97	13.9	0.8	17.9	5.1
Jul	21° / 11°	137	15.7	0	17.3	5.5
Aug	18° / 8°	121	15.5	0.4	15.2	4.8
Sep	9° / 0°	100	14.8	6.5	12.5	1.4
Oct	-4° / -11°	58	12.8	15.5	9.9	0.0
Nov	-18° / -24°	27	7.6	11.4	7.5	0.0
Dec	-26° / -32°	12	4.5	8.7	6.1	0.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 80%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	19	19	20	21	21	21	21	20	19	20	20	20	20	20	20	19	19	18	18	18	18	18	19	19	19	20	21	22	22	23	24
Cloudier (%)	81	81	80	79	79	79	79	80	81	80	80	80	80	80	80	81	81	82	82	82	82	82	81	81	81	80	79	78	78	77	76

	Clearer (%)	Cloudier (%)
1	19	81
2	19	81
3	20	80
4	21	79
5	21	79
6	21	79
7	21	79
8	20	80
9	19	81
10	20	80
11	20	80
12	20	80
13	20	80
14	20	80
15	20	80
16	19	81
17	19	81
18	18	82
19	18	82
20	18	82
21	18	82
22	18	82
23	19	81
24	19	81
25	19	81
26	20	80
27	21	79
28	22	78
29	22	78
30	23	77
31	24	76

Chance of precipitation in May

Any precipitationSnow

Aldan gets around 85 mm of rain and snow over 14.6 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 46% and peaks near 51% on the wettest days, and about 8 days bring snow. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	40	41	41	41	42	42	42	42	42	43	43	44	45	45	46	47	48	48	49	50	51	51	51	51	51	51	50	49	48	47	47
Snow chance (%)	36	36	35	35	34	33	31	30	29	28	27	27	26	25	25	24	24	23	23	23	22	21	21	20	19	18	17	15	14	13	12

	Rain chance (%)	Snow chance (%)
1	40	36
2	41	36
3	41	35
4	41	35
5	42	34
6	42	33
7	42	31
8	42	30
9	42	29
10	43	28
11	43	27
12	44	27
13	45	26
14	45	25
15	46	25
16	47	24
17	48	24
18	48	23
19	49	23
20	50	23
21	51	22
22	51	21
23	51	21
24	51	20
25	51	19
26	51	18
27	50	17
28	49	15
29	48	14
30	47	13
31	47	12

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in May

Winds average 10 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm
31	10	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 h 18 min at the start of May to 17 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 126 minutes over May. Sunrise moves from 4:55 AM to 3:53 AM, and sunset from 8:16 PM to 9:19 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	15.3	15.4	15.5	15.6	15.7	15.7	15.8	15.9	16.0	16.1	16.1	16.2	16.3	16.4	16.4	16.5	16.6	16.6	16.7	16.8	16.8	16.9	17.0	17.0	17.1	17.2	17.2	17.3	17.3	17.4	17.4
Sunrise (AM)	4:55	4:53	4:50	4:48	4:45	4:43	4:40	4:38	4:35	4:33	4:31	4:28	4:26	4:24	4:22	4:20	4:18	4:15	4:13	4:11	4:10	4:08	4:06	4:04	4:02	4:01	3:59	3:57	3:56	3:54	3:53
Sunset (PM)	8:16	8:18	8:21	8:23	8:25	8:27	8:30	8:32	8:34	8:36	8:39	8:41	8:43	8:45	8:47	8:50	8:52	8:54	8:56	8:58	9:00	9:02	9:04	9:06	9:08	9:10	9:12	9:13	9:15	9:17	9:19

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	15.3	4:55	8:16
2	15.4	4:53	8:18
3	15.5	4:50	8:21
4	15.6	4:48	8:23
5	15.7	4:45	8:25
6	15.7	4:43	8:27
7	15.8	4:40	8:30
8	15.9	4:38	8:32
9	16.0	4:35	8:34
10	16.1	4:33	8:36
11	16.1	4:31	8:39
12	16.2	4:28	8:41
13	16.3	4:26	8:43
14	16.4	4:24	8:45
15	16.4	4:22	8:47
16	16.5	4:20	8:50
17	16.6	4:18	8:52
18	16.6	4:15	8:54
19	16.7	4:13	8:56
20	16.8	4:11	8:58
21	16.8	4:10	9:00
22	16.9	4:08	9:02
23	17.0	4:06	9:04
24	17.0	4:04	9:06
25	17.1	4:02	9:08
26	17.2	4:01	9:10
27	17.2	3:59	9:12
28	17.3	3:57	9:13
29	17.3	3:56	9:15
30	17.4	3:54	9:17
31	17.4	3:53	9:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.31 kWh/m².

For context, solar energy here swings from a low near 0.36 kWh/m² to a high of 5.79 kWh/m² in June across the year — May's 5.31 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	5.2	5.2	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.6
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.2	Bright
2	5.2	Bright
3	5.2	Bright
4	5.2	Bright
5	5.2	Bright
6	5.3	Bright
7	5.3	Bright
8	5.3	Bright
9	5.3	Bright
10	5.3	Bright
11	5.3	Bright
12	5.3	Bright
13	5.3	Bright
14	5.3	Bright
15	5.3	Bright
16	5.3	Bright
17	5.3	Bright
18	5.3	Bright
19	5.3	Bright
20	5.3	Bright
21	5.3	Bright
22	5.3	Bright
23	5.4	Bright
24	5.4	Bright
25	5.4	Bright
26	5.4	Bright
27	5.5	Bright
28	5.5	Bright
29	5.5	Bright
30	5.5	Bright
31	5.6	Bright

Planning a trip in May

Hazard calendar for Aldan

In seasonPeak

In May, Aldan sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Aldan's rainy season runs May–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 Aldan?

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

1.6

Sightseeing

4th-best month of the year

0.0

Beach & pool

4th-best month of the year

May is a weaker month for outdoor sightseeing in Aldan.

What to pack for Aldan in May

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

In May, Aldan sees daytime highs around 9°C and nights near -1°C. Pack a warm layer and rain gear. Worth having: sun protection. About 15 days see rain.

a warm layerrain gearsun protection

UV index in Aldan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aldan peaks around June 10 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	0	1	1	3	4	5	2	5	3	1	0	0
Level	Low	Low	Low	Moderate	Moderate	Moderate	Low	Moderate	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	0	Low
Feb	1	Low
Mar	1	Low
Apr	3	Moderate
May	4	Moderate
Jun	5	Moderate
Jul	2	Low
Aug	5	Moderate
Sep	3	Moderate
Oct	1	Low
Nov	0	Low
Dec	0	Low

Air quality in Aldan 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 Aldan is worst in July — around 27 µg/m³ PM2.5 (moderate), about 26.9× the cleanest month (December, 1 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	2	2	5	6	8	9	27	20	10	4	2	1
Level	Good	Good	Good	Good	Good	Good	Moderate	Moderate	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	2	Good
Feb	2	Good
Mar	5	Good
Apr	6	Good
May	8	Good
Jun	9	Good
Jul	27	Moderate
Aug	20	Moderate
Sep	10	Good
Oct	4	Good
Nov	2	Good
Dec	1	Good

Location & terrain

Where is Aldan?

Aldan sits at 58.6°N, 125.4°E, 698 m above sea level, in Russia. The nearest listed city is Neryungri, 221 km away.

Topography around Aldan

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

Within 3 km, the terrain around Aldan has only modest variations in elevation — a maximum elevation change of 201 m around an average of 683 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 857 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,334 m.

The land around Aldan is covered by trees (77%) within 3 km, trees (95%) within 16 km, and trees (91%) within 80 km.

3 km

201 m

trees 77%

16 km

857 m

trees 95%

80 km

1,334 m

trees 91%

treesshrubsgrasslandartificial surfacesbare terrainwatermoss and lichen

← April Aldan year-round climate June →Best places to visit in May

May weather nearby: Neryungri 221 km · Tynda 387 km · Yakutsk 448 km · Zeya 554 km · Lensk 632 km · Bodaybo 660 km · Shimanovsk 749 km · Mirny 760 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

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 Aldan (58.6123°, 125.4°, elevation 698 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).

	Avg high (°C)	Avg low (°C)
1	5	-5
2	5	-4
3	5	-4
4	6	-4
5	6	-4
6	6	-3
7	6	-3
8	7	-3
9	7	-3
10	7	-2
11	8	-2
12	8	-2
13	8	-1
14	9	-1
15	9	-1
16	9	-1
17	9	0
18	10	0
19	10	0
20	10	0
21	11	1
22	11	1
23	11	1
24	12	1
25	12	2
26	12	2
27	13	2
28	13	3
29	14	3
30	14	3
31	14	3

	Clearer (%)	Cloudier (%)
1	19	81
2	19	81
3	20	80
4	21	79
5	21	79
6	21	79
7	21	79
8	20	80
9	19	81
10	20	80
11	20	80
12	20	80
13	20	80
14	20	80
15	20	80
16	19	81
17	19	81
18	18	82
19	18	82
20	18	82
21	18	82
22	18	82
23	19	81
24	19	81
25	19	81
26	20	80
27	21	79
28	22	78
29	22	78
30	23	77
31	24	76

	Rain chance (%)	Snow chance (%)
1	40	36
2	41	36
3	41	35
4	41	35
5	42	34
6	42	33
7	42	31
8	42	30
9	42	29
10	43	28
11	43	27
12	44	27
13	45	26
14	45	25
15	46	25
16	47	24
17	48	24
18	48	23
19	49	23
20	50	23
21	51	22
22	51	21
23	51	21
24	51	20
25	51	19
26	51	18
27	50	17
28	49	15
29	48	14
30	47	13
31	47	12

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	5	-5
2	5	-4
3	5	-4
4	6	-4
5	6	-4
6	6	-3
7	6	-3
8	7	-3
9	7	-3
10	7	-2
11	8	-2
12	8	-2
13	8	-1
14	9	-1
15	9	-1
16	9	-1
17	9	0
18	10	0
19	10	0
20	10	0
21	11	1
22	11	1
23	11	1
24	12	1
25	12	2
26	12	2
27	13	2
28	13	3
29	14	3
30	14	3
31	14	3

	Clearer (%)	Cloudier (%)
1	19	81
2	19	81
3	20	80
4	21	79
5	21	79
6	21	79
7	21	79
8	20	80
9	19	81
10	20	80
11	20	80
12	20	80
13	20	80
14	20	80
15	20	80
16	19	81
17	19	81
18	18	82
19	18	82
20	18	82
21	18	82
22	18	82
23	19	81
24	19	81
25	19	81
26	20	80
27	21	79
28	22	78
29	22	78
30	23	77
31	24	76

	Rain chance (%)	Snow chance (%)
1	40	36
2	41	36
3	41	35
4	41	35
5	42	34
6	42	33
7	42	31
8	42	30
9	42	29
10	43	28
11	43	27
12	44	27
13	45	26
14	45	25
15	46	25
16	47	24
17	48	24
18	48	23
19	49	23
20	50	23
21	51	22
22	51	21
23	51	21
24	51	20
25	51	19
26	51	18
27	50	17
28	49	15
29	48	14
30	47	13
31	47	12

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	5	-5
2	5	-4
3	5	-4
4	6	-4
5	6	-4
6	6	-3
7	6	-3
8	7	-3
9	7	-3
10	7	-2
11	8	-2
12	8	-2
13	8	-1
14	9	-1
15	9	-1
16	9	-1
17	9	0
18	10	0
19	10	0
20	10	0
21	11	1
22	11	1
23	11	1
24	12	1
25	12	2
26	12	2
27	13	2
28	13	3
29	14	3
30	14	3
31	14	3

	Clearer (%)	Cloudier (%)
1	19	81
2	19	81
3	20	80
4	21	79
5	21	79
6	21	79
7	21	79
8	20	80
9	19	81
10	20	80
11	20	80
12	20	80
13	20	80
14	20	80
15	20	80
16	19	81
17	19	81
18	18	82
19	18	82
20	18	82
21	18	82
22	18	82
23	19	81
24	19	81
25	19	81
26	20	80
27	21	79
28	22	78
29	22	78
30	23	77
31	24	76

	Rain chance (%)	Snow chance (%)
1	40	36
2	41	36
3	41	35
4	41	35
5	42	34
6	42	33
7	42	31
8	42	30
9	42	29
10	43	28
11	43	27
12	44	27
13	45	26
14	45	25
15	46	25
16	47	24
17	48	24
18	48	23
19	49	23
20	50	23
21	51	22
22	51	21
23	51	21
24	51	20
25	51	19
26	51	18
27	50	17
28	49	15
29	48	14
30	47	13
31	47	12

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100