Sarpol-e Z̄ahāb weather in December

In December, Sarpol-e Z̄ahāb sees average daytime highs of 15°C and overnight lows near 5°C, with 79 mm of precipitation across 8.5 wet days and about 9.7 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 14°C by the end. The sky is clear or mostly clear about 50% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Sarpol-e Z̄ahāb's 11th-clearest and 12th-windiest month. For the whole year in context, see Sarpol-e Z̄ahāb's year-round climate.

Daytime high
15°
10th warmest
Overnight low
3rd coldest
Precipitation
79 mm
8.5 wet days
Daylight
9 h 42 min
7:32 AM – 5:14 PM
Cloud cover
44%
11th clearest
Wind
7 km/h
12th windiest
Solar energy
2.67 kWh/m²
Travel score
5.0
out of 10

Sarpol-e Z̄ahāb is city in Kermanshah 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 17°C in the first days to 14°C by the end.

A typical December day in Sarpol-e Z̄ahāb reaches about 15°C in the afternoon and slips back to 5°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 20°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

10°20°151015202531
Avg high (°C)Avg low (°C)
1177
2176
3176
4176
5166
6166
7166
8166
9166
10166
11156
12155
13155
14155
15155
16155
17155
18155
19155
20145
21145
22145
23144
24144
25144
26144
27144
28144
29144
30144
31144

How December really feels in Sarpol-e Z̄ahāb

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sarpol-e Z̄ahāb weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 959.91.5103.8
Feb15° / 809.5110.74.5
Mar19° / 799.10.411.76.5
Apr25° / 13°537.1012.87.5
May32° / 18°152.8013.85.1
Jun38° / 23°10.1014.31.4
Jul41° / 26°00.1014.10.0
Aug41° / 25°00.1013.30.0
Sep37° / 21°10.2012.22.2
Oct30° / 16°222.9011.16.2
Nov21° / 606.6010.27.3
Dec15° / 798.50.39.75.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26535
36535
46436
56337
66238
76238
86238
96238
106139
116139
126139
136139
146139
156139
166139
176139
186238
196238
206238
216238
226238
236238
246337
256337
266337
276337
286337
296337
306238
316238

Chance of precipitation in December

Any precipitationSnow

Sarpol-e Z̄ahāb gets around 79 mm of rain and snow over 8.5 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 28% and peaks near 30% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1251
2251
3261
4261
5271
6281
7281
8291
9291
10301
11301
12301
13301
14301
15291
16291
17291
18281
19281
20281
21271
22271
23261
24261
25261
26261
27261
28261
29271
30271
31272

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 7 km/h in December, the calmest month.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 54 min at the start of December to 9 h 42 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 7:20 AM to 7:38 AM, and sunset from 5:12 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:205:12
29.87:215:12
39.87:225:12
49.87:235:12
59.87:245:12
69.87:255:12
79.87:255:12
89.87:265:12
99.87:275:12
109.77:285:12
119.77:285:13
129.77:295:13
139.77:305:13
149.77:305:13
159.77:315:14
169.77:325:14
179.77:325:14
189.77:335:15
199.77:335:15
209.77:345:15
219.77:345:16
229.77:355:16
239.77:355:17
249.77:365:17
259.77:365:18
269.77:365:18
279.77:375:19
289.77:375:20
299.77:375:20
309.77:385:21
319.77:385:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.67 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.67 kWh/m² to a high of 8 kWh/m² in June across the year — December's 2.67 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
32.8Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in December

Hazard calendar for Sarpol-e Z̄ahāb

In seasonPeak

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

Sarpol-e Z̄ahāb sees seasonal dust haze (April–May), heaviest in May.

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

Is December a good time to visit Sarpol-e Z̄ahāb?

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

5.0
Sightseeing
6th-best month of the year
0.4
Beach & pool
10th-best month of the year

December is a reasonable time to visit Sarpol-e Z̄ahāb for sightseeing.

What to pack for Sarpol-e Z̄ahāb in December

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

In December, Sarpol-e Z̄ahāb sees daytime highs around 15°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Sarpol-e Z̄ahāb 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 Sarpol-e Z̄ahāb peaks around June 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 14UV 10Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Extreme
Jul8Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sarpol-e Z̄ahāb 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 Sarpol-e Z̄ahāb is worst in May — around 43 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1343 µg/m³Nov 2331 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb35Moderate
Mar41Poor
Apr41Poor
May43Poor
Jun39Poor
Jul36Poor
Aug35Poor
Sep34Moderate
Oct35Poor
Nov31Moderate
Dec31Moderate
Location & terrain

Where is Sarpol-e Z̄ahāb?

Sarpol-e Z̄ahāb sits at 34.5°N, 45.9°E, 547 m above sea level, in Iran. The nearest listed city is Qaşr-e Shīrīn, 27 km away.

Topography around Sarpol-e Z̄ahāb

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sarpol-e Z̄ahāb.

Within 3 km, the terrain around Sarpol-e Z̄ahāb has significant variations in elevation — a maximum elevation change of 267 m around an average of 571 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,773 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,959 m.

The land around Sarpol-e Z̄ahāb is covered by cropland (55%) and grassland (20%) within 3 km, grassland (58%) and cropland (28%) within 16 km, and grassland (60%) and cropland (23%) within 80 km.

3 km
267 m
16 km
1,773 m
80 km
2,959 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Qaşr-e Shīrīn 27 km · Khānaqīn 45 km · Kelar 53 km · Javānrūd 69 km · Eslāmābād-e Gharb 73 km · Ravānsar 78 km · Pāveh 79 km · Halabja 80 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 Sarpol-e Z̄ahāb (34.4611°, 45.8626°, elevation 547 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).