Saynshand weather in December

In December, Saynshand sees average daytime highs of -10°C and overnight lows near -19°C, with 1 mm of precipitation across 0.3 wet days and about 8.7 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about -8°C in the first days to -12°C by the end. The sky is clear or mostly clear about 70% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of December to 8 h 36 min by month's end. Set against the rest of the year, December is Saynshand's 2nd-clearest and 10th-windiest month. For the whole year in context, see Saynshand's year-round climate.

Daytime high
-10°
11th warmest
Overnight low
-19°
2nd coldest
Precipitation
1 mm
0.3 wet days
Daylight
8 h 36 min
8:17 AM – 4:54 PM
Cloud cover
28%
2nd clearest
Wind
12 km/h
10th windiest
Solar energy
1.82 kWh/m²
Travel score
0.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about -8°C in the first days to -12°C by the end.

A typical December day in Saynshand reaches about -10°C in the afternoon and slips back to -19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -16°C and -4°C. Set against its neighbours, December runs about 9°C cooler than November and about 2°C warmer than January.

-30°-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-7-16
2-7-16
3-7-17
4-8-17
5-8-17
6-8-17
7-8-18
8-9-18
9-9-18
10-9-18
11-9-18
12-9-18
13-10-18
14-10-19
15-10-19
16-10-19
17-10-19
18-10-19
19-10-19
20-10-19
21-11-19
22-11-20
23-11-20
24-11-20
25-11-20
26-11-20
27-11-20
28-11-20
29-12-20
30-12-21
31-12-21

How December really feels in Saynshand

Once humidity and wind are folded in, December 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 December is cold — wind chill drags the overnight "feels like" below the raw low.

Saynshand weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-12° / -21°10.10.390.0
Feb-5° / -17°10.40.510.10.0
Mar / -9°310.811.60.5
Apr14° / 41.40.513.24.9
May21° / 132.70.214.67.8
Jun27° / 14°194015.37.4
Jul29° / 18°255.10156.0
Aug27° / 16°335.5013.97.2
Sep21° / 132.7012.37.9
Oct11° / -0°71.90.510.73.7
Nov-1° / -11°20.81.19.40.0
Dec-10° / -19°10.30.58.70.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 19%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38119
48119
58119
68119
78119
88119
98218
108218
118218
128218
138218
148218
158218
168218
178218
188218
198218
208218
218218
228218
238218
248119
258119
268119
278020
288119
298119
308119
318020

Chance of precipitation in December

Any precipitationSnow

Saynshand gets around 1 mm of rain and snow over 0.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 1% and peaks near 1% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
112
212
312
412
512
612
712
812
912
1012
1112
1212
1312
1412
1512
1612
1712
1812
1912
2012
2112
2212
2312
2412
2512
2611
2711
2811
2911
3011
3111

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 December

Winds average 12 km/h in December.

Across December, 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.

051015151015202531
Wind speed (km/h)Feels
113light 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
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 48 min at the start of December to 8 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 8:04 AM to 8:24 AM, and sunset from 4:55 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.88:044:55
28.88:054:54
38.88:064:54
48.88:074:54
58.88:084:54
68.78:094:54
78.78:104:53
88.78:114:53
98.78:124:53
108.78:134:53
118.78:144:53
128.68:144:53
138.68:154:53
148.68:164:54
158.68:174:54
168.68:174:54
178.68:184:54
188.68:194:55
198.68:194:55
208.68:204:55
218.68:204:56
228.68:214:56
238.68:214:57
248.68:224:57
258.68:224:58
268.68:224:58
278.68:234:59
288.68:235:00
298.68:235:00
308.68:235:01
318.68:245:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.82 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.82 kWh/m² to a high of 6.85 kWh/m² in June across the year — December's 1.82 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.8Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.8Dim
201.8Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.8Dim
261.8Dim
271.8Dim
281.8Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in December

Hazard calendar for Saynshand

In seasonPeak

None of Saynshand's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Saynshand sees seasonal dust haze (April–July), heaviest in May.

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

Is December a good time to visit Saynshand?

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

0.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Saynshand.

What to pack for Saynshand in December

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

In December, Saynshand sees daytime highs around -10°C and nights near -19°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Saynshand in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saynshand peaks around August 16 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowAug 16UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr6High
May7Very high
Jun7High
Jul7High
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Saynshand in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Saynshand is worst in May — around 43 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (December, 13 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateMay 1042 µg/m³Dec 2314 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar34Moderate
Apr42Poor
May43Poor
Jun32Moderate
Jul27Moderate
Aug21Moderate
Sep27Moderate
Oct36Poor
Nov39Poor
Dec13Moderate
Location & terrain

Where is Saynshand?

Saynshand sits at 44.9°N, 110.1°E, 947 m above sea level, in Mongolia. The nearest listed city is Öndörkhaan, 274 km away.

ÖndörkhaanBaruun-UrtNalayhZuunmodDzuunmodUlaanbaatarDalandzadgadChoibalsan

Topography around Saynshand

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

Within 3 km, the terrain around Saynshand has only modest variations in elevation — a maximum elevation change of 136 m around an average of 957 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 242 m; within 80 km, significant variations in elevation — a maximum elevation change of 595 m.

The land around Saynshand is covered by bare terrain (95%) within 3 km, bare terrain (99%) within 16 km, and bare terrain (96%) within 80 km.

3 km
136 m
16 km
242 m
80 km
595 m
grasslandartificial surfacesbare terrain
December weather nearby: Öndörkhaan 274 km · Baruun-Urt 316 km · Nalayh 387 km · Zuunmod 397 km · Dzuunmod 397 km · Ulaanbaatar 418 km · Dalandzadgad 476 km · Choibalsan 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
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 Saynshand (44.8824°, 110.1163°, elevation 947 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).