Dāmghān weather in December

In December, Dāmghān sees average daytime highs of 5°C and overnight lows near -2°C, with 19 mm of precipitation across 5.3 wet days and about 9.6 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 6°C in the first days to 4°C by the end. The sky is clear or mostly clear about 48% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Dāmghān's 8th-clearest and 12th-windiest month. For the whole year in context, see Dāmghān's year-round climate.

Daytime high
10th warmest
Overnight low
-2°
3rd coldest
Precipitation
19 mm
5.3 wet days
Daylight
9 h 36 min
7:02 AM – 4:35 PM
Cloud cover
44%
8th clearest
Wind
6 km/h
12th windiest
Solar energy
2.69 kWh/m²
Travel score
0.1
out of 10

Dāmghān is city in Semnan Province, Iran.

Density
3,224/km²
people per km²

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 6°C in the first days to 4°C by the end.

A typical December day in Dāmghān reaches about 5°C in the afternoon and slips back to -2°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 9°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
16-1
26-1
36-1
46-1
56-1
66-1
76-1
85-1
95-1
105-1
115-2
125-2
135-2
145-2
155-2
165-2
175-2
185-2
195-2
205-2
215-2
225-2
234-2
244-3
254-3
264-3
274-3
284-3
294-3
304-3
314-3

How December really feels in Dāmghān

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.

Dāmghān weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°225.45.59.80.0
Feb / -3°286.75.610.60.2
Mar10° / 459.45.411.72.3
Apr16° / 439.91.512.95.2
May22° / 12°3410.40.113.96.8
Jun27° / 17°206.7014.47.3
Jul30° / 19°184.8014.26.3
Aug29° / 19°195.2013.47.0
Sep25° / 15°154.7012.28.3
Oct19° / 2660.211.16.9
Nov10° / 266.6310.12.8
Dec / -2°195.34.39.60.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35842
45842
55842
65743
75743
85743
95842
105842
115941
126040
136139
146238
156238
166337
176436
186535
196535
206733
216832
226931
237030
247030
257129
267129
277129
287129
297129
307129
317030

Chance of precipitation in December

Any precipitationSnow

Dāmghān gets around 19 mm of rain and snow over 5.3 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 17% and peaks near 23% on the wettest days, and about 4 days bring snow. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
12316
22217
32217
42217
52117
62117
72016
82016
92016
101916
111916
121815
131815
141715
151714
161614
171614
181613
191613
201513
211513
221512
231512
241412
251412
261412
271412
281513
291513
301513
311514

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 6 km/h in December, the calmest month.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:51 AM to 7:09 AM, and sunset from 4:34 PM to 4:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:514:34
29.76:524:34
39.76:534:34
49.76:534:34
59.76:544:34
69.66:554:34
79.66:564:34
89.66:574:34
99.66:574:34
109.66:584:34
119.66:594:34
129.67:004:34
139.67:004:35
149.67:014:35
159.67:024:35
169.67:024:35
179.57:034:36
189.57:034:36
199.57:044:36
209.57:054:37
219.57:054:37
229.57:064:38
239.57:064:38
249.57:064:39
259.57:074:39
269.57:074:40
279.57:084:40
289.67:084:41
299.67:084:42
309.67:084:42
319.67:094:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.69 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 7.4 kWh/m² in June across the year — December's 2.69 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in December

Is December a good time to visit Dāmghān?

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

0.1
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Dāmghān.

What to pack for Dāmghān in December

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

In December, Dāmghān sees daytime highs around 5°C and nights near -2°C. Pack a warm layer. Worth having: a heavy coat. About 5 days see rain.

a warm layera heavy coat

UV index in Dāmghān in December

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Dāmghān peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 18UV 11Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun9Very high
Jul11Extreme
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Dāmghān 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 Dāmghān is worst in April — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1524 µg/m³Aug 1018 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar22Moderate
Apr25Moderate
May22Moderate
Jun18Moderate
Jul18Moderate
Aug18Moderate
Sep22Moderate
Oct19Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Dāmghān?

Dāmghān sits at 36.2°N, 54.3°E, 1,154 m above sea level, in Iran. The nearest listed city is Shahrud, 63 km away.

Topography around Dāmghān

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

Within 3 km, the terrain around Dāmghān has only modest variations in elevation — a maximum elevation change of 82 m around an average of 1,158 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 951 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,905 m.

The land around Dāmghān is covered by bare terrain (44%) and artificial surfaces (36%) within 3 km, bare terrain (82%) within 16 km, and bare terrain (60%) and grassland (20%) within 80 km.

3 km
82 m
16 km
951 m
80 km
3,905 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Shahrud 63 km · Kord Kūy 73 km · Gorgān 76 km · Bandar-e Gaz 76 km · Galūgāh 78 km · Bandar-e Torkaman 85 km · Fāẕelābād 89 km · Behshahr 92 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 Dāmghān (36.1679°, 54.3429°, elevation 1,154 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).