Shiraz weather in December

In December, Shiraz sees average daytime highs of 12°C and overnight lows near 2°C, with 69 mm of precipitation across 5.2 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 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 62% 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 Shiraz's 8th-clearest and 10th-windiest month. For the whole year in context, see Shiraz's year-round climate.

Daytime high
12°
10th warmest
Overnight low
3rd coldest
Precipitation
69 mm
5.2 wet days
Daylight
10 h 06 min
6:53 AM – 4:59 PM
Cloud cover
33%
8th clearest
Wind
6 km/h
10th windiest
Solar energy
3.62 kWh/m²
Travel score
4.0
out of 10

Shiraz is city in Fars Province, Iran.

Air quality
High
PM2.5 25.2 µg/m³ · 2020
Density
5,208/km²
people per km²
Founded
~2000 BCE

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 14°C in the first days to 11°C by the end.

A typical December day in Shiraz reaches about 12°C in the afternoon and slips back to 2°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 17°C. Set against its neighbours, December runs about 5°C cooler than November and about 3°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1143
2143
3143
4143
5143
6133
7133
8132
9132
10132
11132
12132
13132
14122
15122
16122
17121
18121
19121
20121
21121
22121
23121
24121
25121
26121
27121
28111
29111
30111
31110

How December really feels in Shiraz

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 16 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
16
wind chill below the day's low

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

Shiraz 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
Jan10° / -1°987.4310.32.4
Feb12° / 716.91.110.93.5
Mar16° / 757.50.211.85.5
Apr21° / 365.8012.77.4
May28° / 14°82.2013.57.6
Jun33° / 19°00.1013.94.6
Jul35° / 21°10.2013.73.3
Aug34° / 20°10.3013.14.0
Sep31° / 17°10.2012.26.4
Oct25° / 12°31011.39.0
Nov17° / 344.1010.56.7
Dec12° / 695.20.810.14.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57525
67525
77426
87426
97426
107426
117426
127426
137426
147426
157426
167426
177426
187525
197525
207525
217525
227624
237624
247525
257525
267525
277426
287426
297327
307327
317228

Chance of precipitation in December

Any precipitationSnow

Shiraz gets around 69 mm of rain and snow over 5.2 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 18% and peaks near 19% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1170
2171
3171
4171
5181
6181
7181
8192
9192
10192
11192
12192
13193
14193
15193
16183
17183
18183
19173
20173
21174
22164
23164
24164
25164
26164
27164
28174
29174
30185
31185

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 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 6:43 AM to 6:59 AM, and sunset from 4:57 PM to 5:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.26:434:57
210.26:434:57
310.26:444:57
410.26:454:57
510.26:464:57
610.26:464:57
710.26:474:57
810.26:484:57
910.26:484:57
1010.16:494:58
1110.16:504:58
1210.16:504:58
1310.16:514:58
1410.16:524:59
1510.16:524:59
1610.16:534:59
1710.16:535:00
1810.16:545:00
1910.16:545:00
2010.16:555:01
2110.16:555:01
2210.16:565:02
2310.16:565:02
2410.16:575:03
2510.16:575:03
2610.16:585:04
2710.16:585:04
2810.16:585:05
2910.16:595:06
3010.16:595:06
3110.16:595:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.62 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.62 kWh/m² to a high of 8.02 kWh/m² in June across the year — December's 3.62 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.6Moderate
73.6Moderate
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 Shiraz?

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

4.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a reasonable time to visit Shiraz for sightseeing.

What to pack for Shiraz in December

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

In December, Shiraz sees daytime highs around 12°C and nights near 2°C. Worth packing: a warm layer. About 5 days see rain.

a warm layer

UV index in Shiraz 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 Shiraz peaks around July 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 9 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 18UV 12Jan 9UV 4
UV index (midday)Level
Jan4Moderate
Feb7High
Mar8Very high
Apr8Very high
May10Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep10Very high
Oct8Very high
Nov5High
Dec4Moderate

Air quality in Shiraz 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 Shiraz is worst in April — around 34 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (September, 20 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Shiraz's WHO annual average of 25.2 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1733 µg/m³Sep 1020 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb26Moderate
Mar31Moderate
Apr34Moderate
May31Moderate
Jun24Moderate
Jul27Moderate
Aug21Moderate
Sep20Moderate
Oct22Moderate
Nov21Moderate
Dec23Moderate
Location & terrain

Where is Shiraz?

Shiraz sits at 29.6°N, 52.5°E, 1,545 m above sea level, in Iran. The nearest listed city is Shahr-e Ṣadrā, 21 km away.

Topography around Shiraz

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

Within 3 km, the terrain around Shiraz has only modest variations in elevation — a maximum elevation change of 85 m around an average of 1,540 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,314 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,586 m.

The land around Shiraz is covered by artificial surfaces (93%) within 3 km, grassland (41%) and artificial surfaces (22%) within 16 km, and grassland (48%) and cropland (25%) within 80 km.

3 km
85 m
16 km
1,314 m
80 km
2,586 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Shahr-e Ṣadrā 21 km · Zarqān 26 km · Marvdasht 39 km · Kavār 48 km · Sarvestān 77 km · Sa‘ādat Shahr 78 km · Arsanjān 82 km · Kāzerūn 85 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 Shiraz (29.6103°, 52.5311°, elevation 1,545 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).