Choibalsan weather in May

In May, Choibalsan sees average daytime highs of 19°C and overnight lows near 5°C, with 25 mm of precipitation across 5.2 wet days and about 14.9 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 22°C by the end. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of May to 15 h 30 min by month's end. Set against the rest of the year, May is Choibalsan's 10th-clearest and 1st-windiest month. For the whole year in context, see Choibalsan's year-round climate.

Daytime high: 19°; 4th warmest
Overnight low: 5°; 8th coldest
Precipitation: 25 mm; 5.2 wet days
Daylight: 15 hours; 4:49 AM – 7:47 PM
Cloud cover: 57%; 10th clearest
Wind: 17 km/h; 1st windiest
Solar energy: 6.33 kWh/m²
Travel score: 6.6; out of 10

Choibalsan is city in Mongolia.

Density: 160/km²; people per km²

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

← April Choibalsan 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 16°C in the first days to 22°C by the end.

A typical May day in Choibalsan reaches about 19°C in the afternoon and slips back to 5°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 27°C. Set against its neighbours, May runs about 8°C warmer than April and about 6°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)	15	16	16	16	16	17	17	17	17	18	18	18	18	19	19	19	20	20	20	20	20	21	21	21	21	21	22	22	22	22	22
Avg low (°C)	2	2	2	2	3	3	3	3	4	4	4	4	5	5	5	5	6	6	6	6	6	7	7	7	7	8	8	8	8	8	9

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

How May really feels in Choibalsan

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 10 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.

Choibalsan 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	-15° / -24°	1	0.4	0.6	8.6	0.0
Feb	-9° / -20°	3	0.9	1.2	9.9	0.0
Mar	0° / -12°	5	1.7	1.8	11.6	0.0
Apr	11° / -3°	12	3.5	2.4	13.4	3.0
May	19° / 5°	25	5.2	0.6	14.9	6.6
Jun	25° / 12°	44	8.1	0	15.8	7.1
Jul	27° / 15°	64	9.9	0	15.4	6.6
Aug	25° / 13°	53	8.3	0	14.1	7.2
Sep	18° / 6°	32	6.2	0.4	12.4	6.5
Oct	9° / -3°	16	3.9	2.2	10.6	2.1
Nov	-4° / -14°	5	1.5	1.7	9	0.0
Dec	-12° / -21°	4	1	1.6	8.2	0.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 51%.

	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 (%)	47	47	47	47	47	47	47	47	46	46	47	47	47	48	48	48	48	48	49	50	50	51	51	52	52	53	54	54	54	54	54
Cloudier (%)	53	53	53	53	53	53	53	53	54	54	53	53	53	52	52	52	52	52	51	50	50	49	49	48	48	47	46	46	46	46	46

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	47	53
5	47	53
6	47	53
7	47	53
8	47	53
9	46	54
10	46	54
11	47	53
12	47	53
13	47	53
14	48	52
15	48	52
16	48	52
17	48	52
18	48	52
19	49	51
20	50	50
21	50	50
22	51	49
23	51	49
24	52	48
25	52	48
26	53	47
27	54	46
28	54	46
29	54	46
30	54	46
31	54	46

Chance of precipitation in May

Any precipitationSnow

Choibalsan gets around 25 mm of rain and snow over 5.2 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 17% and peaks near 21% on the wettest days, and about 1 day brings 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 (%)	13	14	14	14	14	15	15	15	15	16	16	16	17	17	17	17	18	18	18	18	18	19	19	19	19	19	19	19	20	21	21
Snow chance (%)	5	5	4	4	4	4	4	3	3	3	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0

	Rain chance (%)	Snow chance (%)
1	13	5
2	14	5
3	14	4
4	14	4
5	14	4
6	15	4
7	15	4
8	15	3
9	15	3
10	16	3
11	16	2
12	16	2
13	17	2
14	17	2
15	17	2
16	17	1
17	18	1
18	18	1
19	18	1
20	18	1
21	18	1
22	19	1
23	19	1
24	19	1
25	19	1
26	19	1
27	19	1
28	19	1
29	20	1
30	21	0
31	21	0

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 17 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 16 km/h on the calmest days to 18 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)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	17	17	17	17	17	17	17	17	17	17	17	16	16
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 12 min at the start of May to 15 h 30 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 5:12 AM to 4:34 AM, and sunset from 7:26 PM to 8:04 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)	14.2	14.3	14.3	14.4	14.4	14.5	14.5	14.6	14.6	14.7	14.7	14.8	14.8	14.9	14.9	15.0	15.0	15.0	15.1	15.1	15.2	15.2	15.2	15.3	15.3	15.3	15.4	15.4	15.4	15.5	15.5
Sunrise (AM)	5:12	5:10	5:09	5:07	5:05	5:04	5:02	5:01	4:59	4:58	4:56	4:55	4:53	4:52	4:51	4:49	4:48	4:47	4:46	4:45	4:43	4:42	4:41	4:40	4:39	4:38	4:37	4:36	4:36	4:35	4:34
Sunset (PM)	7:26	7:27	7:29	7:30	7:32	7:33	7:35	7:36	7:37	7:39	7:40	7:41	7:43	7:44	7:45	7:47	7:48	7:49	7:51	7:52	7:53	7:54	7:56	7:57	7:58	7:59	8:00	8:01	8:02	8:03	8:04

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	14.2	5:12	7:26
2	14.3	5:10	7:27
3	14.3	5:09	7:29
4	14.4	5:07	7:30
5	14.4	5:05	7:32
6	14.5	5:04	7:33
7	14.5	5:02	7:35
8	14.6	5:01	7:36
9	14.6	4:59	7:37
10	14.7	4:58	7:39
11	14.7	4:56	7:40
12	14.8	4:55	7:41
13	14.8	4:53	7:43
14	14.9	4:52	7:44
15	14.9	4:51	7:45
16	15.0	4:49	7:47
17	15.0	4:48	7:48
18	15.0	4:47	7:49
19	15.1	4:46	7:51
20	15.1	4:45	7:52
21	15.2	4:43	7:53
22	15.2	4:42	7:54
23	15.2	4:41	7:56
24	15.3	4:40	7:57
25	15.3	4:39	7:58
26	15.3	4:38	7:59
27	15.4	4:37	8:00
28	15.4	4:36	8:01
29	15.4	4:36	8:02
30	15.5	4:35	8:03
31	15.5	4:34	8:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.33 kWh/m².

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 6.35 kWh/m² in June across the year — May's 6.33 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)	5.9	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.2	6.2	6.2	6.3	6.3	6.3	6.3	6.3	6.4	6.4	6.4	6.4	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5
Level	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.9	Bright
2	6.0	Bright
3	6.0	Bright
4	6.0	Intense
5	6.0	Intense
6	6.1	Intense
7	6.1	Intense
8	6.1	Intense
9	6.1	Intense
10	6.2	Intense
11	6.2	Intense
12	6.2	Intense
13	6.3	Intense
14	6.3	Intense
15	6.3	Intense
16	6.3	Intense
17	6.3	Intense
18	6.4	Intense
19	6.4	Intense
20	6.4	Intense
21	6.4	Intense
22	6.5	Intense
23	6.5	Intense
24	6.5	Intense
25	6.5	Intense
26	6.5	Intense
27	6.5	Intense
28	6.5	Intense
29	6.5	Intense
30	6.5	Intense
31	6.5	Intense

Planning a trip in May

Is May a good time to visit Choibalsan?

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

6.6

Sightseeing

3rd-best month of the year

2.9

Beach & pool

4th-best month of the year

May is a reasonable time to visit Choibalsan for sightseeing.

What to pack for Choibalsan in May

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

In May, Choibalsan sees daytime highs around 19°C and nights near 5°C. Pack sun protection. Worth having: a warm layer. About 5 days see rain.

sun protectiona warm layer

UV index in Choibalsan 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 Choibalsan peaks around July 21 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	3	5	7	7	8	8	5	3	1	1
Level	Low	Low	Moderate	Moderate	High	High	Very high	Very high	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	3	Moderate
Apr	5	Moderate
May	7	High
Jun	7	High
Jul	8	Very high
Aug	8	Very high
Sep	5	High
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Location & terrain

Where is Choibalsan?

Choibalsan sits at 48.1°N, 114.5°E, 741 m above sea level, in Mongolia. The nearest listed city is Baruun-Urt, 181 km away.

Topography around Choibalsan

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

Within 3 km, the terrain around Choibalsan has only modest variations in elevation — a maximum elevation change of 59 m around an average of 750 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 179 m; within 80 km, significant variations in elevation — a maximum elevation change of 540 m.

The land around Choibalsan is covered by grassland (73%) and artificial surfaces (21%) within 3 km, grassland (96%) within 16 km, and grassland (99%) within 80 km.

3 km

59 m

grassland 73%

16 km

179 m

grassland 96%

80 km

540 m

grassland 99%

treesgrasslandartificial surfacesbare terrainwaterwetland

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

May weather nearby: Baruun-Urt 181 km · Borzya 296 km · Öndörkhaan 302 km · Aginskoye 337 km · Krasnokamensk 340 km · Chita 448 km · Nerchinsk 459 km · Saynshand 490 km

Mongolia travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type C / E / F; 220 V · 50 Hz
Prices: ≈ 34% of US; price level, 2025
GDP per capita: $7,108; 2025
Happiness: 5.9 / 10; World Happiness, 2025
Safe drinking water: 43%; of population, 2024
Homicide rate: 5.9; per 100k, 2023
Road deaths: 21; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Very low; EF EPI 447
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 Choibalsan (48.0726°, 114.5326°, elevation 741 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. 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	15	2
2	16	2
3	16	2
4	16	2
5	16	3
6	17	3
7	17	3
8	17	3
9	17	4
10	18	4
11	18	4
12	18	4
13	18	5
14	19	5
15	19	5
16	19	5
17	20	6
18	20	6
19	20	6
20	20	6
21	20	6
22	21	7
23	21	7
24	21	7
25	21	7
26	21	8
27	22	8
28	22	8
29	22	8
30	22	8
31	22	9

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	47	53
5	47	53
6	47	53
7	47	53
8	47	53
9	46	54
10	46	54
11	47	53
12	47	53
13	47	53
14	48	52
15	48	52
16	48	52
17	48	52
18	48	52
19	49	51
20	50	50
21	50	50
22	51	49
23	51	49
24	52	48
25	52	48
26	53	47
27	54	46
28	54	46
29	54	46
30	54	46
31	54	46

	Rain chance (%)	Snow chance (%)
1	13	5
2	14	5
3	14	4
4	14	4
5	14	4
6	15	4
7	15	4
8	15	3
9	15	3
10	16	3
11	16	2
12	16	2
13	17	2
14	17	2
15	17	2
16	17	1
17	18	1
18	18	1
19	18	1
20	18	1
21	18	1
22	19	1
23	19	1
24	19	1
25	19	1
26	19	1
27	19	1
28	19	1
29	20	1
30	21	0
31	21	0

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

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	47	53
5	47	53
6	47	53
7	47	53
8	47	53
9	46	54
10	46	54
11	47	53
12	47	53
13	47	53
14	48	52
15	48	52
16	48	52
17	48	52
18	48	52
19	49	51
20	50	50
21	50	50
22	51	49
23	51	49
24	52	48
25	52	48
26	53	47
27	54	46
28	54	46
29	54	46
30	54	46
31	54	46

	Rain chance (%)	Snow chance (%)
1	13	5
2	14	5
3	14	4
4	14	4
5	14	4
6	15	4
7	15	4
8	15	3
9	15	3
10	16	3
11	16	2
12	16	2
13	17	2
14	17	2
15	17	2
16	17	1
17	18	1
18	18	1
19	18	1
20	18	1
21	18	1
22	19	1
23	19	1
24	19	1
25	19	1
26	19	1
27	19	1
28	19	1
29	20	1
30	21	0
31	21	0

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

	Clearer (%)	Cloudier (%)
1	47	53
2	47	53
3	47	53
4	47	53
5	47	53
6	47	53
7	47	53
8	47	53
9	46	54
10	46	54
11	47	53
12	47	53
13	47	53
14	48	52
15	48	52
16	48	52
17	48	52
18	48	52
19	49	51
20	50	50
21	50	50
22	51	49
23	51	49
24	52	48
25	52	48
26	53	47
27	54	46
28	54	46
29	54	46
30	54	46
31	54	46

	Rain chance (%)	Snow chance (%)
1	13	5
2	14	5
3	14	4
4	14	4
5	14	4
6	15	4
7	15	4
8	15	3
9	15	3
10	16	3
11	16	2
12	16	2
13	17	2
14	17	2
15	17	2
16	17	1
17	18	1
18	18	1
19	18	1
20	18	1
21	18	1
22	19	1
23	19	1
24	19	1
25	19	1
26	19	1
27	19	1
28	19	1
29	20	1
30	21	0
31	21	0

	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