Arvayheer weather in March

In March, Arvayheer sees average daytime highs of 1°C and overnight lows near -12°C, with 7 mm of precipitation across 2.2 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about -2°C in the first days to 5°C by the end. The sky is clear or mostly clear about 40% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Arvayheer's 7th-clearest and 3rd-windiest month. For the whole year in context, see Arvayheer's year-round climate.

Daytime high
8th warmest
Overnight low
-12°
5th coldest
Precipitation
7 mm
2.2 wet days
Daylight
11 h 36 min
7:31 AM – 7:06 PM
Cloud cover
49%
7th clearest
Wind
13 km/h
3rd windiest
Solar energy
4.68 kWh/m²
Travel score
0.0
out of 10

Arvayheer is main settlement in the district of the same name.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about -2°C in the first days to 5°C by the end.

A typical March day in Arvayheer reaches about 1°C in the afternoon and slips back to -12°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between -7°C and 9°C. Set against its neighbours, March runs about 7°C warmer than February and about 8°C cooler than April.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
1-3-16
2-3-16
3-2-16
4-2-15
5-2-15
6-2-15
7-1-15
8-1-14
9-1-14
10-1-14
110-13
120-13
130-13
141-12
151-12
161-12
171-11
182-11
192-11
202-10
213-10
223-10
233-9
244-9
254-9
264-8
275-8
285-8
295-8
305-7
316-7

How March really feels in Arvayheer

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 31 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
31
31 feel bitter (≤ -10°C)

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

Arvayheer weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-10° / -22°10.30.88.80.0
Feb-6° / -19°30.91.2100.0
Mar / -12°72.22.911.60.0
Apr / -4°1343.113.32.2
May16° / 275.92.114.75.3
Jun21° / 438.40.215.56.6
Jul23° / 12°6211015.26.6
Aug21° / 10°5090.1146.7
Sep16° / 235.21.112.35.6
Oct / -5°102.72.510.71.7
Nov-2° / -13°41.21.79.20.0
Dec-8° / -19°20.40.98.50.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46139
56139
66040
76139
86040
96040
105941
115941
125842
135743
145743
155743
165743
175743
185842
195842
205743
215743
225743
235644
245743
255743
265743
275842
285842
295743
305743
315743

Chance of precipitation in March

Any precipitationSnow

Arvayheer gets around 7 mm of rain and snow over 2.2 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 7% and peaks near 10% on the wettest days, and about 3 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
157
257
357
458
558
658
768
868
969
1069
1179
12710
13710
14710
15810
16810
17810
18810
19810
20810
21810
22810
23810
24810
25810
26810
27810
28910
29910
30910
311010

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March 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 March

Winds average 13 km/h in March.

Across March, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 48 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over March. Sunrise moves from 7:59 AM to 7:01 AM, and sunset from 6:45 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:596:45
210.87:576:47
310.97:566:48
410.97:546:49
511.07:526:51
611.07:506:52
711.17:486:54
811.17:466:55
911.27:446:57
1011.37:426:58
1111.37:416:59
1211.47:397:01
1311.47:377:02
1411.57:357:04
1511.57:337:05
1611.67:317:06
1711.67:297:08
1811.77:277:09
1911.87:257:11
2011.87:237:12
2111.97:217:13
2211.97:197:15
2312.07:177:16
2412.07:157:17
2512.17:137:19
2612.27:117:20
2712.27:097:21
2812.37:077:23
2912.37:057:24
3012.47:037:26
3112.47:017:27

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.68 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 6.65 kWh/m² in June across the year — March's 4.68 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.8Bright
194.8Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in March

Is March a good time to visit Arvayheer?

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

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

March is a weaker month for outdoor sightseeing in Arvayheer.

What to pack for Arvayheer in March

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

In March, Arvayheer sees daytime highs around 1°C and nights near -12°C. Pack a warm layer and a heavy coat. Worth having: sun protection.

a warm layera heavy coatsun protection

UV index in Arvayheer in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arvayheer peaks around July 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 highModerateLowJul 19UV 9Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr7High
May7Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Arvayheer in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Arvayheer is worst in June — around 16 µg/m³ PM2.5 (moderate), about 6.2× the cleanest month (December, 3 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2116 µg/m³Dec 173 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar11Good
Apr11Good
May13Moderate
Jun16Moderate
Jul16Moderate
Aug16Moderate
Sep9Good
Oct7Good
Nov6Good
Dec3Good
Location & terrain

Where is Arvayheer?

Arvayheer sits at 46.3°N, 102.8°E, 1,838 m above sea level, in Mongolia. The nearest listed city is Bayanhongor, 158 km away.

BayanhongorTsetserlegHovdBogdBulganErdenetDalandzadgadDzuunmod

Topography around Arvayheer

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

Within 3 km, the terrain around Arvayheer has only modest variations in elevation — a maximum elevation change of 231 m around an average of 1,849 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 748 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,823 m.

The land around Arvayheer is covered by grassland (77%) within 3 km, grassland (98%) within 16 km, and grassland (89%) within 80 km.

3 km
231 m
16 km
748 m
80 km
1,823 m
treesgrasslandartificial surfacesbare terrainmoss and lichen
March weather nearby: Bayanhongor 158 km · Tsetserleg 168 km · Hovd 180 km · Bogd 183 km · Bulgan 289 km · Erdenet 323 km · Dalandzadgad 326 km · Dzuunmod 355 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 Arvayheer (46.2639°, 102.775°, elevation 1,838 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).