Shahrud weather in December

In December, Shahrud sees average daytime highs of 6°C and overnight lows near -1°C, with 26 mm of precipitation across 6.5 wet days and about 9.6 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 7°C in the first days to 5°C by the end. The sky is clear or mostly clear about 45% 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 30 min by month's end. Set against the rest of the year, December is Shahrud's 7th-clearest and 11th-windiest month. For the whole year in context, see Shahrud's year-round climate.

Daytime high
10th warmest
Overnight low
-1°
3rd coldest
Precipitation
26 mm
6.5 wet days
Daylight
9 h 30 min
7:00 AM – 4:32 PM
Cloud cover
47%
7th clearest
Wind
6 km/h
11th windiest
Solar energy
2.54 kWh/m²
Travel score
0.4
out of 10

Shahrud is city in Semnan 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 7°C in the first days to 5°C by the end.

A typical December day in Shahrud reaches about 6°C in the afternoon and slips back to -1°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 10°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
170
270
370
470
570
660
760
860
96-1
106-1
116-1
126-1
136-1
146-1
156-1
166-1
176-1
185-1
195-1
205-1
215-1
225-1
235-2
245-2
255-2
265-2
275-2
285-2
295-2
305-2
315-2

How December really feels in Shahrud

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.

Shahrud weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°317.17.29.80.0
Feb / -2°398.67.810.60.4
Mar11° / 5711.86.711.72.5
Apr17° / 6013.61.412.94.9
May22° / 12°5313.80.213.96.3
Jun27° / 17°226.2014.47.5
Jul29° / 19°102.4014.26.9
Aug29° / 19°123.7013.47.1
Sep25° / 15°246.3012.28.0
Oct19° / 3480.111.16.7
Nov11° / 337.92.810.13.1
Dec / -1°266.55.49.60.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35743
45644
55644
65644
75545
85644
95644
105743
115743
125842
135941
145941
156040
166040
176139
186139
196238
206238
216337
226436
236535
246436
256535
266535
276535
286535
296535
306436
316535

Chance of precipitation in December

Any precipitationSnow

Shahrud gets around 26 mm of rain and snow over 6.5 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 22% and peaks near 28% on the wettest days, and about 5 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12817
22717
32718
42718
52618
62619
72619
82519
92520
102420
112420
122320
132320
142220
152220
162119
172119
182019
192018
201918
211817
221817
231816
241816
251715
261815
271815
281816
291816
301916
311917

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.

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 30 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 6:49 AM to 7:07 AM, and sunset from 4:31 PM to 4:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:494:31
29.76:504:31
39.76:514:31
49.66:524:30
59.66:524:30
69.66:534:30
79.66:544:30
89.66:554:31
99.66:564:31
109.66:564:31
119.66:574:31
129.66:584:31
139.56:584:31
149.56:594:32
159.57:004:32
169.57:004:32
179.57:014:32
189.57:024:33
199.57:024:33
209.57:034:34
219.57:034:34
229.57:044:34
239.57:044:35
249.57:054:35
259.57:054:36
269.57:054:37
279.57:064:37
289.57:064:38
299.57:064:38
309.57:074:39
319.57:074:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.54 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 7.23 kWh/m² in June across the year — December's 2.54 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in December

Is December a good time to visit Shahrud?

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

0.4
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Shahrud.

What to pack for Shahrud in December

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

In December, Shahrud sees daytime highs around 6°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Shahrud 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 Shahrud 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 — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 18UV 11Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun10Very high
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shahrud 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 Shahrud is worst in September — around 27 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1827 µg/m³Dec 2319 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar22Moderate
Apr25Moderate
May22Moderate
Jun20Moderate
Jul21Moderate
Aug22Moderate
Sep27Moderate
Oct24Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Shahrud?

Shahrud sits at 36.4°N, 55.0°E, 1,351 m above sea level, in Iran. The nearest listed city is 'Alī Ābād-e Katūl, 56 km away.

Topography around Shahrud

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

Within 3 km, the terrain around Shahrud has significant variations in elevation — a maximum elevation change of 335 m around an average of 1,354 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,329 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,898 m.

The land around Shahrud is covered by artificial surfaces (59%) and bare terrain (31%) within 3 km, bare terrain (71%) within 16 km, and bare terrain (63%) within 80 km.

3 km
335 m
16 km
1,329 m
80 km
3,898 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: 'Alī Ābād-e Katūl 56 km · Fāẕelābād 57 km · Dāmghān 63 km · Gorgān 67 km · Āzādshahr 76 km · Āq Qalā 81 km · Kord Kūy 88 km · Sīmīn Shahr 94 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 Shahrud (36.4182°, 54.9763°, elevation 1,351 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).