Darhan weather in May

In May, Darhan sees average daytime highs of 19°C and overnight lows near 5°C, with 33 mm of precipitation across 6.3 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 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 18 min at the start of May to 15 h 42 min by month's end. Set against the rest of the year, May is Darhan's 9th-clearest and 1st-windiest month. For the whole year in context, see Darhan's year-round climate.

Daytime high
19°
4th warmest
Overnight low
8th coldest
Precipitation
33 mm
6.3 wet days
Daylight
15 h 06 min
5:19 AM – 8:26 PM
Cloud cover
58%
9th clearest
Wind
12 km/h
1st windiest
Solar energy
6.4 kWh/m²
Travel score
6.5
out of 10

Darhan is capital city of Darkhan-Uul Aimag, Mongolia.

Density
814/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 16°C in the first days to 22°C by the end.

A typical May day in Darhan 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 11°C and 27°C. Set against its neighbours, May runs about 8°C warmer than April and about 6°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1161
2162
3162
4162
5172
6173
7173
8173
9173
10183
11184
12184
13184
14194
15195
16195
17195
18205
19205
20206
21206
22216
23216
24217
25217
26217
27227
28228
29228
30228
31238

How May really feels in Darhan

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 8 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
8
wind chill below the day's low

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

Darhan 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-15° / -26°20.50.98.40.0
Feb-9° / -22°20.71.39.80.0
Mar / -12°72.12.511.50.2
Apr12° / -2°184.23.113.43.3
May19° / 336.31.615.16.5
Jun25° / 12°518.40167.0
Jul27° / 15°6810.7015.66.4
Aug24° / 13°7810.4014.26.8
Sep18° / 397.40.712.46.1
Oct / -4°183.92.810.51.9
Nov-4° / -14°82.63.48.90.0
Dec-13° / -22°41.52.180.0

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 18% of May, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24456
34456
44456
54456
64456
74555
84555
94654
104654
114654
124654
134753
144852
154852
164852
174852
184852
194852
204852
214852
224852
234852
244951
254951
264951
274852
284852
294852
304852
314753

Chance of precipitation in May

Any precipitationSnow

Darhan gets around 33 mm of rain and snow over 6.3 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 21% and peaks near 23% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1179
2179
3189
4188
5188
6188
7187
8187
9187
10197
11196
12196
13206
14205
15215
16215
17215
18224
19224
20224
21234
22234
23233
24233
25233
26232
27232
28232
29232
30231
31231

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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 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 84 minutes over May. Sunrise moves from 5:43 AM to 5:03 AM, and sunset from 8:04 PM to 8:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:438:04
214.45:418:06
314.55:398:07
414.55:388:09
514.65:368:10
614.65:348:12
714.75:338:13
814.75:318:15
914.85:298:16
1014.85:288:17
1114.95:268:19
1214.95:258:20
1315.05:238:22
1415.05:228:23
1515.15:208:25
1615.15:198:26
1715.25:188:27
1815.25:168:29
1915.35:158:30
2015.35:148:31
2115.35:138:33
2215.45:118:34
2315.45:108:35
2415.55:098:37
2515.55:088:38
2615.55:078:39
2715.65:068:40
2815.65:058:41
2915.65:048:43
3015.75:038:44
3115.75:038:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.4 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 6.45 kWh/m² in June across the year — May's 6.4 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.2Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in May

Is May a good time to visit Darhan?

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

6.5
Sightseeing
3rd-best month of the year
2.9
Beach & pool
4th-best month of the year

May is a reasonable time to visit Darhan for sightseeing.

What to pack for Darhan in May

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

In May, Darhan sees daytime highs around 19°C and nights near 5°C. Pack sun protection. Worth having: a warm layer. About 6 days see rain.

sun protectiona warm layer

UV index in Darhan 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 Darhan peaks around July 15 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr6High
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Darhan?

Darhan sits at 49.5°N, 105.9°E, 683 m above sea level, in Mongolia. The nearest listed city is Dzüünharaa, 81 km away.

ErdenetBulganUlaanbaatarGusinoozyorskDzuunmod

Topography around Darhan

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

Within 3 km, the terrain around Darhan has only modest variations in elevation — a maximum elevation change of 129 m around an average of 702 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 620 m; within 80 km, large variations in elevation — a maximum elevation change of 1,156 m.

The land around Darhan is covered by grassland (70%) and artificial surfaces (24%) within 3 km, grassland (87%) within 16 km, and grassland (72%) within 80 km.

3 km
129 m
16 km
620 m
80 km
1,156 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Dzüünharaa 81 km · Sühbaatar 85 km · Kyakhta 103 km · Erdenet 143 km · Bulgan 189 km · Ulaanbaatar 189 km · Gusinoozyorsk 204 km · Dzuunmod 212 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
Buddhist 52%no religion 41%Muslim 3%Shaman 3%

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 Darhan (49.4867°, 105.9228°, elevation 683 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).