Jermuk weather in December

In December, Jermuk sees average daytime highs of -3°C and overnight lows near -12°C, with 41 mm of precipitation across 8.1 wet days and about 9.2 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about -1°C in the first days to -4°C by the end. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of December to 9 h 12 min by month's end. Set against the rest of the year, December is Jermuk's 7th-clearest and 12th-windiest month. For the whole year in context, see Jermuk's year-round climate.

Daytime high
-3°
10th warmest
Overnight low
-12°
2nd coldest
Precipitation
41 mm
8.1 wet days
Daylight
9 h 12 min
8:18 AM – 5:29 PM
Cloud cover
52%
7th clearest
Wind
5 km/h
12th windiest
Solar energy
2.31 kWh/m²
Travel score
0.0
out of 10

Jermuk is city or town in Armenia.

Density
74/km²
people per km²
Founded
1250

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about -1°C in the first days to -4°C by the end.

A typical December day in Jermuk reaches about -3°C in the afternoon and slips back to -12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -8°C and 2°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

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

How December really feels in Jermuk

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.

Jermuk weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-5° / -13°437.38.79.50.0
Feb-3° / -11°508.89.610.40.0
Mar / -6°82141411.70.0
Apr / -2°9216.49.5130.5
May12° / 9520.4214.22.6
Jun17° / 7015.80.114.85.0
Jul20° / 6314.3014.56.2
Aug21° / 4511.5013.66.9
Sep17° / 368.70.212.36.0
Oct11° / 4310.12.510.92.7
Nov / -6°437.97.49.80.1
Dec-3° / -12°418.199.20.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
44951
54951
64951
74951
84951
94951
104951
115050
125050
135149
145248
155248
165347
175446
185446
195446
205545
215644
225743
235743
245743
255743
265644
275644
285644
295644
305545
315545

Chance of precipitation in December

Any precipitationSnow

Jermuk gets around 41 mm of rain and snow over 8.1 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 26% and peaks near 27% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12729
22729
32729
42729
52729
62729
72729
82629
92629
102629
112630
122630
132630
142630
152630
162630
172630
182630
192630
202630
212630
222629
232629
242629
252528
262528
272528
282528
292528
302528
312528

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 5 km/h in December, the calmest month.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 24 min at the start of December to 9 h 12 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 8:06 AM to 8:24 AM, and sunset from 5:29 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.48:065:29
29.48:075:28
39.38:075:28
49.38:085:28
59.38:095:28
69.38:105:28
79.38:115:28
89.38:125:28
99.38:135:28
109.28:135:28
119.28:145:28
129.28:155:28
139.28:165:28
149.28:165:29
159.28:175:29
169.28:185:29
179.28:185:29
189.28:195:30
199.28:205:30
209.28:205:31
219.28:215:31
229.28:215:31
239.28:225:32
249.28:225:32
259.28:225:33
269.28:235:34
279.28:235:34
289.28:235:35
299.28:245:35
309.28:245:36
319.28:245:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.31 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 6.96 kWh/m² in June across the year — December's 2.31 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Is December a good time to visit Jermuk?

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
7th-best month of the year

December is a weaker month for outdoor sightseeing in Jermuk.

What to pack for Jermuk in December

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

In December, Jermuk sees daytime highs around -3°C and nights near -12°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 8 days see rain.

a warm layera heavy coatrain gear

UV index in Jermuk in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jermuk peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr6High
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Jermuk 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 Jermuk is worst in May — around 22 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1522 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar17Moderate
Apr20Moderate
May22Moderate
Jun19Moderate
Jul18Moderate
Aug16Moderate
Sep16Moderate
Oct13Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Jermuk?

Jermuk sits at 39.8°N, 45.7°E, 0 m above sea level, in Armenia. The nearest listed city is Goris, 68 km away.

GorisNakhchivanGavarPoldashtNehramAraratShushaKapan

Topography around Jermuk

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

Within 3 km, the terrain around Jermuk has significant variations in elevation — a maximum elevation change of 536 m around an average of 2,237 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,058 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,181 m.

The land around Jermuk is covered by grassland (78%) within 3 km, grassland (90%) within 16 km, and grassland (75%) within 80 km.

3 km
536 m
16 km
2,058 m
80 km
3,181 m
treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
December weather nearby: Goris 68 km · Nakhchivan 74 km · Gavar 74 km · Poldasht 75 km · Nehram 82 km · Ararat 83 km · Shusha 93 km · Kapan 94 km

Armenia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$9,474
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
2.2
per 100k, 2023
Road deaths
20
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 515
Religion
Armenian Apostolic 95%not stated 2%

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 Jermuk (39.8395°, 45.6711°, elevation 0 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).