Bayanhongor weather in August

In August, Bayanhongor sees average daytime highs of 20°C and overnight lows near 8°C, with 44 mm of rain across 7.9 wet days and about 14 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 43% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Bayanhongor's 8th-clearest and 6th-windiest month. For the whole year in context, see Bayanhongor's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
11th coldest
Rainfall
44 mm
7.9 wet days
Daylight
14 hours
6:22 AM – 8:21 PM
Cloud cover
50%
8th clearest
Wind
9 km/h
6th windiest
Solar energy
5.94 kWh/m²
Travel score
6.7
out of 10

Bayanhongor is city in Bayankhongor Province, Mongolia.

Density
483/km²
people per km²

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 18°C by the end.

A typical August day in Bayanhongor reaches about 20°C in the afternoon and slips back to 8°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, August runs about 2°C cooler than July and about 6°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12110
22110
3219
4219
5219
6209
7209
8209
9209
10209
11209
12208
13208
14208
15208
16208
17208
18208
19198
20197
21197
22197
23197
24197
25197
26196
27186
28186
29186
30186
31185

How August really feels in Bayanhongor

Once humidity and wind are folded in, August 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

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

Bayanhongor weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-13° / -25°10.40.88.80.0
Feb-9° / -22°311.4100.0
Mar-1° / -14°71.82.511.60.0
Apr / -5°143.52.813.31.4
May14° / 245.22.114.74.7
Jun20° / 398.20.315.56.4
Jul21° / 10°6210.8015.26.4
Aug20° / 447.90146.7
Sep14° / 2041.112.34.8
Oct / -7°92.22.110.70.8
Nov-4° / -16°30.91.59.20.0
Dec-11° / -22°20.60.98.50.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45842
55842
65842
76040
86040
96040
106238
116238
126337
136337
146436
156436
166436
176535
186535
196535
206535
216535
226535
236436
246436
256436
266535
276436
286436
296337
306436
316436

Chance of precipitation in August

Any precipitation

Bayanhongor gets around 44 mm of rain over 7.9 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
430
530
630
730
830
930
1029
1129
1228
1328
1427
1526
1626
1725
1824
1923
2023
2122
2222
2321
2421
2521
2620
2720
2820
2920
3019
3119

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August 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 (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 42 min at the start of August to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over August. Sunrise moves from 6:03 AM to 6:41 AM, and sunset from 8:43 PM to 7:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.76:038:43
214.66:048:42
314.66:058:41
414.56:068:39
514.56:088:38
614.56:098:37
714.46:108:35
814.46:118:34
914.36:138:32
1014.36:148:31
1114.26:158:29
1214.26:168:27
1314.16:188:26
1414.16:198:24
1514.06:208:23
1614.06:228:21
1713.96:238:19
1813.96:248:17
1913.86:258:16
2013.86:278:14
2113.76:288:12
2213.76:298:10
2313.66:318:08
2413.66:328:07
2513.56:338:05
2613.56:358:03
2713.46:368:01
2813.46:377:59
2913.36:387:57
3013.36:407:55
3113.26:417:53

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.94 kWh/m².

For context, solar energy here swings from a low near 1.78 kWh/m² to a high of 6.96 kWh/m² in June across the year — August's 5.94 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
166.0Bright
176.0Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in August

Is August a good time to visit Bayanhongor?

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

6.7
Sightseeing
1st-best month of the year
3.2
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Bayanhongor for sightseeing.

What to pack for Bayanhongor in August

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

In August, Bayanhongor sees daytime highs around 20°C and nights near 8°C. Worth packing: a warm layer and sun protection. About 8 days see rain.

a warm layersun protection

UV index in Bayanhongor in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bayanhongor peaks around July 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 19UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr6High
May7Very high
Jun7High
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Bayanhongor in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Bayanhongor is worst in June — around 18 µg/m³ PM2.5 (moderate), about 6.1× the cleanest month (December, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1218 µg/m³Dec 184 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar14Moderate
Apr14Moderate
May18Moderate
Jun18Moderate
Jul16Moderate
Aug17Moderate
Sep12Good
Oct9Good
Nov8Good
Dec3Good
Location & terrain

Where is Bayanhongor?

Bayanhongor sits at 46.2°N, 100.7°E, 1,873 m above sea level, in Mongolia. The nearest listed city is Tsetserleg, 153 km away.

TsetserlegArvayheerBogdHovdUliastayAltaiBulganMörön

Topography around Bayanhongor

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

Within 3 km, the terrain around Bayanhongor has significant variations in elevation — a maximum elevation change of 277 m around an average of 1,905 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 742 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,165 m.

The land around Bayanhongor is covered by grassland (53%) and bare terrain (35%) within 3 km, grassland (83%) within 16 km, and grassland (76%) and bare terrain (23%) within 80 km.

3 km
277 m
16 km
742 m
80 km
2,165 m
treesshrubsgrasslandartificial surfacesbare terrain
August weather nearby: Tsetserleg 153 km · Arvayheer 158 km · Bogd 204 km · Hovd 214 km · Uliastay 341 km · Altai 343 km · Bulgan 360 km · Mörön 385 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 Bayanhongor (46.1944°, 100.7181°, elevation 1,873 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).