Sa‘ādat Shahr weather in December

In December, Sa‘ādat Shahr sees average daytime highs of 12°C and overnight lows near -0°C, with 37 mm of precipitation across 4.3 wet days and about 10.1 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 11°C by the end. The sky is clear or mostly clear about 63% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of December to 10 h 06 min by month's end. Set against the rest of the year, December is Sa‘ādat Shahr's 8th-clearest and 12th-windiest month. For the whole year in context, see Sa‘ādat Shahr's year-round climate.

Daytime high
12°
10th warmest
Overnight low
-0°
2nd coldest
Precipitation
37 mm
4.3 wet days
Daylight
10 h 06 min
6:51 AM – 4:56 PM
Cloud cover
32%
8th clearest
Wind
6 km/h
12th windiest
Solar energy
3.63 kWh/m²
Travel score
3.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 13°C in the first days to 11°C by the end.

A typical December day in Sa‘ādat Shahr reaches about 12°C in the afternoon and slips back to -0°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 16°C. Set against its neighbours, December runs about 5°C cooler than November and about 3°C warmer than January.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
1131
2131
3131
4131
5131
6131
7120
8120
9120
10120
11120
12120
13120
14120
15120
16120
17110
1811-1
1911-1
2011-1
2111-1
2211-1
2311-1
2411-1
2511-1
2611-1
2711-1
2811-1
2911-1
3011-1
3110-1

How December really feels in Sa‘ādat Shahr

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.

Sa‘ādat Shahr 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
Jan / -2°516.62.610.32.1
Feb11° / 436.11.110.93.4
Mar16° / 436.50.111.85.5
Apr21° / 214.2012.77.6
May27° / 13°51.6013.57.8
Jun33° / 17°00.1013.94.8
Jul35° / 20°00.2013.73.4
Aug34° / 18°00.1013.14.2
Sep30° / 14°00012.26.8
Oct24° / 30.6011.39.1
Nov17° / 203.10.110.56.4
Dec12° / -0°374.30.910.13.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% 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 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37723
47723
57723
67624
77624
87624
97723
107624
117624
127624
137624
147624
157624
167624
177624
187624
197723
207723
217723
227822
237822
247723
257723
267723
277624
287624
297525
307525
317426

Chance of precipitation in December

Any precipitationSnow

Sa‘ādat Shahr gets around 37 mm of rain and snow over 4.3 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 14% and peaks near 16% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1142
2142
3142
4152
5152
6152
7152
8162
9162
10162
11162
12162
13152
14153
15153
16143
17143
18143
19133
20133
21134
22124
23124
24124
25124
26134
27135
28145
29145
30155
31165

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 10 h 12 min at the start of December to 10 h 06 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 6:41 AM to 6:58 AM, and sunset from 4:53 PM to 5:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.26:414:53
210.26:424:53
310.26:434:53
410.26:434:53
510.26:444:53
610.16:454:54
710.16:464:54
810.16:464:54
910.16:474:54
1010.16:484:54
1110.16:484:54
1210.16:494:55
1310.16:504:55
1410.16:504:55
1510.16:514:55
1610.16:514:56
1710.16:524:56
1810.16:534:57
1910.16:534:57
2010.16:544:57
2110.16:544:58
2210.16:554:58
2310.16:554:59
2410.16:564:59
2510.16:565:00
2610.16:565:00
2710.16:575:01
2810.16:575:01
2910.16:575:02
3010.16:585:03
3110.16:585:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.63 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 8.01 kWh/m² in June across the year — December's 3.63 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in December

Is December a good time to visit Sa‘ādat Shahr?

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

3.7
Sightseeing
9th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Sa‘ādat Shahr.

What to pack for Sa‘ādat Shahr in December

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

In December, Sa‘ādat Shahr sees daytime highs around 12°C and nights near -0°C. Pack a warm layer. About 4 days see rain.

a warm layer

UV index in Sa‘ādat Shahr in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sa‘ādat Shahr peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 17UV 12Jan 10UV 4
UV index (midday)Level
Jan4Moderate
Feb7High
Mar8Very high
Apr8Very high
May11Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep10Very high
Oct8Very high
Nov5High
Dec4Moderate

Air quality in Sa‘ādat Shahr 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 Sa‘ādat Shahr is worst in April — around 35 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (August, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1635 µg/m³Aug 2118 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb28Moderate
Mar31Moderate
Apr35Poor
May31Moderate
Jun21Moderate
Jul25Moderate
Aug18Moderate
Sep20Moderate
Oct21Moderate
Nov19Moderate
Dec21Moderate
Location & terrain

Where is Sa‘ādat Shahr?

Sa‘ādat Shahr sits at 30.1°N, 53.1°E, 1,784 m above sea level, in Iran. The nearest listed city is Pasargad, 14 km away.

Topography around Sa‘ādat Shahr

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sa‘ādat Shahr.

Within 3 km, the terrain around Sa‘ādat Shahr has significant variations in elevation — a maximum elevation change of 363 m around an average of 1,827 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,189 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,022 m.

The land around Sa‘ādat Shahr is covered by cropland (45%) and grassland (26%) within 3 km, grassland (45%) and bare terrain (24%) within 16 km, and bare terrain (46%), grassland (24%) and cropland (21%) within 80 km.

3 km
363 m
16 km
1,189 m
80 km
2,022 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Pasargad 14 km · Arsanjān 25 km · Marvdasht 39 km · Zarqān 53 km · Şafāshahr 60 km · Surian 65 km · Shahr-e Ṣadrā 68 km · Shiraz 78 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 Sa‘ādat Shahr (30.0792°, 53.1346°, elevation 1,784 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).