Khalkhāl weather in December

In December, Khalkhāl sees average daytime highs of 3°C and overnight lows near -5°C, with 56 mm of precipitation across 8.8 wet days and about 9.4 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

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

Daylight stretches from about 9 h 36 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Khalkhāl's 7th-clearest and 12th-windiest month. For the whole year in context, see Khalkhāl's year-round climate.

Daytime high
10th warmest
Overnight low
-5°
3rd coldest
Precipitation
56 mm
8.8 wet days
Daylight
9 h 24 min
7:30 AM – 4:54 PM
Cloud cover
51%
7th clearest
Wind
5 km/h
12th windiest
Solar energy
2.46 kWh/m²
Travel score
0.0
out of 10

Khalkhāl is city in Ardabil Province, Iran.

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 5°C in the first days to 2°C by the end.

A typical December day in Khalkhāl reaches about 3°C in the afternoon and slips back to -5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 9°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
15-3
25-3
35-3
44-3
54-3
64-3
74-4
84-4
93-4
103-4
113-4
123-4
133-4
143-4
153-5
163-5
173-5
182-5
192-5
202-5
212-5
222-5
232-5
242-5
252-5
262-5
272-5
282-5
292-5
302-5
312-5

How December really feels in Khalkhāl

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
wind chill below the day's low

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

Khalkhāl weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°568.99.19.70.0
Feb / -5°6510.39.610.50.0
Mar / -1°8213.39.711.71.3
Apr14° / 8914.23.212.93.8
May19° / 6513.80.3145.8
Jun24° / 12°308.3014.57.7
Jul26° / 14°194.8014.38.1
Aug26° / 14°165013.48.0
Sep23° / 11°359012.37.3
Oct17° / 6410.21.3115.6
Nov / 7810.46101.7
Dec / -5°568.88.49.40.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55248
65248
75149
85149
95149
105149
115248
125248
135347
145347
155446
165545
175545
185644
195743
205842
215842
226040
236139
246139
256238
266238
276238
286238
296238
306139
316139

Chance of precipitation in December

Any precipitationSnow

Khalkhāl gets around 56 mm of rain and snow over 8.8 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 28% and peaks near 36% on the wettest days, and about 8 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13631
23531
33531
43531
53532
63432
73432
83432
93331
103231
113131
123130
133029
142929
152828
162727
172727
182626
192525
202525
212424
222323
232322
242222
252221
262121
272121
282221
292222
302322
312323

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 36 min at the start of December to 9 h 24 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 7:18 AM to 7:36 AM, and sunset from 4:53 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:184:53
29.67:194:53
39.67:204:53
49.57:214:53
59.57:214:53
69.57:224:53
79.57:234:53
89.57:244:53
99.57:254:53
109.57:254:53
119.57:264:53
129.47:274:53
139.47:284:54
149.47:284:54
159.47:294:54
169.47:304:54
179.47:304:55
189.47:314:55
199.47:314:55
209.47:324:56
219.47:324:56
229.47:334:57
239.47:334:57
249.47:344:58
259.47:344:58
269.47:354:59
279.47:354:59
289.47:355:00
299.47:365:01
309.47:365:01
319.47:365:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.46 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 7.33 kWh/m² in June across the year — December's 2.46 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Is December a good time to visit Khalkhāl?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Khalkhāl.

What to pack for Khalkhāl in December

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

In December, Khalkhāl sees daytime highs around 3°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Khalkhāl in December

The nearest coast averages about 14°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 52 km away) is warmest in August at about 28°C and coldest in February near 10°C.

It's comfortable for a long swim from May 22 to Nov 4 — about 5.5 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar10Bracing
Apr13Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Warm
Sep26Warm
Oct23Refreshing
Nov18Cool
Dec14Bracing

UV index in Khalkhāl in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Khalkhāl peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 18UV 11Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul11Extreme
Aug10Extreme
Sep7Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Khalkhāl 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 Khalkhāl is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2325 µg/m³Jul 1715 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar25Moderate
Apr25Moderate
May23Moderate
Jun18Moderate
Jul15Moderate
Aug18Moderate
Sep20Moderate
Oct18Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Khalkhāl?

Khalkhāl sits at 37.6°N, 48.5°E, 1,795 m above sea level, in Iran. The nearest listed city is Hashtpar, 39 km away.

Topography around Khalkhāl

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

Within 3 km, the terrain around Khalkhāl has significant variations in elevation — a maximum elevation change of 278 m around an average of 1,862 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,079 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,325 m.

The land around Khalkhāl is covered by grassland (46%), cropland (28%) and artificial surfaces (20%) within 3 km, grassland (75%) within 16 km, and grassland (47%) and cropland (22%) within 80 km.

3 km
278 m
16 km
2,079 m
80 km
3,325 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Hashtpar 39 km · Reẕvānshahr 54 km · Māsāl 60 km · Ardabīl 73 km · Mīāneh 75 km · Şowme‘eh Sarā 78 km · Fūman 82 km · Bandar-e Anzalī 83 km

Iran travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 352% of US
price level, 2025
GDP per capita
$3,924
2025
Happiness
5.2 / 10
World Happiness, 2025
Safe drinking water
94%
of population, 2024
Homicide rate
2.4
per 100k, 2014
Road deaths
21.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 492
Religion
Muslim 99%Christian 1%Baha'i 0%agnostic 0%

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 Khalkhāl (37.6184°, 48.5293°, elevation 1,795 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).