Bandar-e Māhshahr weather in December

In December, Bandar-e Māhshahr sees average daytime highs of 20°C and overnight lows near 11°C, with 68 mm of rain across 6.1 wet days and about 10.1 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 58% 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 hours by month's end. Set against the rest of the year, December is Bandar-e Māhshahr's 11th-clearest and 10th-windiest month. For the whole year in context, see Bandar-e Māhshahr's year-round climate.

Daytime high
20°
11th warmest
Overnight low
11°
2nd coldest
Rainfall
68 mm
6.1 wet days
Daylight
10 hours
7:08 AM – 5:10 PM
Cloud cover
37%
11th clearest
Wind
13 km/h
10th windiest
Solar energy
3.17 kWh/m²
Travel score
7.3
out of 10

Bandar-e Māhshahr is city in Khuzestan 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 22°C in the first days to 19°C by the end.

A typical December day in Bandar-e Māhshahr reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22212
32212
42212
52212
62112
72112
82112
92112
102111
112111
122011
132011
142011
152011
162011
172011
182011
192010
202010
212010
221910
231910
241910
251910
261910
271910
281910
291910
301910
311910

How December really feels in Bandar-e Māhshahr

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.

Bandar-e Māhshahr weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 10°576.410.26.9
Feb21° / 11°314.510.97.8
Mar26° / 15°32411.87.9
Apr33° / 20°101.912.74.5
May40° / 26°40.513.50.6
Jun45° / 29°0013.90.0
Jul46° / 31°0013.80.0
Aug46° / 30°0013.10.0
Sep42° / 27°10.312.20.0
Oct36° / 22°60.811.22.6
Nov27° / 16°724.410.57.4
Dec20° / 11°686.110.17.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% 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 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37030
47030
57030
66931
76931
86931
96931
106931
117030
127030
137030
147129
157129
167228
177228
187228
197228
207228
217327
227327
237228
247228
257129
267030
277030
286931
296931
306832
316832

Chance of precipitation in December

Any precipitation

Bandar-e Māhshahr gets around 68 mm of rain over 6.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
221
321
421
522
622
722
823
923
1023
1122
1222
1322
1421
1521
1620
1720
1819
1919
2018
2118
2217
2317
2416
2516
2616
2717
2817
2918
3018
3118

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 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16722101
2682291
3682291
4682291
5692191
6702181
7702181
8712081
9712081
10731971
11731971
12741871
13771760
14771760
15791650
16791650
17801550
18811540
19811540
20821440
21821440
22831430
23831430
24841330
25851320
26851320
27851320
28851320
29851320
30851320
31851320

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 12 min at the start of December to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 6:58 AM to 7:15 AM, and sunset from 5:08 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.26:585:08
210.26:595:08
310.17:005:08
410.17:005:08
510.17:015:08
610.17:025:08
710.17:025:08
810.17:035:08
910.17:045:09
1010.17:055:09
1110.17:055:09
1210.17:065:09
1310.07:075:10
1410.07:075:10
1510.07:085:10
1610.07:085:10
1710.07:095:11
1810.07:105:11
1910.07:105:12
2010.07:115:12
2110.07:115:12
2210.07:125:13
2310.07:125:13
2410.07:125:14
2510.07:135:14
2610.07:135:15
2710.07:145:15
2810.07:145:16
2910.07:145:17
3010.07:155:17
3110.07:155:18

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.17 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.17 kWh/m² to a high of 7.83 kWh/m² in June across the year — December's 3.17 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in December

Hazard calendar for Bandar-e Māhshahr

In seasonPeak

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

Bandar-e Māhshahr sees seasonal dust haze (March–May), heaviest in May.

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

Is December a good time to visit Bandar-e Māhshahr?

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

7.3
Sightseeing
4th-best month of the year
4.0
Beach & pool
6th-best month of the year

December is one of the better times to visit Bandar-e Māhshahr for general sightseeing.

What to pack for Bandar-e Māhshahr in December

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

In December, Bandar-e Māhshahr sees daytime highs around 20°C and nights near 11°C. Little to plan around — just the basics. About 6 days see rain.

Sea temperature near Bandar-e Māhshahr in December

The nearest coast averages about 19°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 48 km away) is warmest in August at about 33°C and coldest in February near 16°C.

It's comfortable for a long swim from Apr 1 to Dec 10 — about 8.4 months when the water holds above 20°C.

20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar18Cool
Apr22Refreshing
May26Warm
Jun29Tropical
Jul31Tropical
Aug33Tropical
Sep31Tropical
Oct28Tropical
Nov24Refreshing
Dec19Cool

UV index in Bandar-e Māhshahr 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 Bandar-e Māhshahr peaks around July 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJul 14UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr6High
May7High
Jun10Very high
Jul10Extreme
Aug10Very high
Sep6High
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Bandar-e Māhshahr 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 Bandar-e Māhshahr is worst in April — around 48 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateApr 1948 µg/m³Nov 1934 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb41Poor
Mar47Poor
Apr48Poor
May48Poor
Jun38Poor
Jul41Poor
Aug39Poor
Sep36Poor
Oct37Poor
Nov34Moderate
Dec35Moderate
Location & terrain

Where is Bandar-e Māhshahr?

Bandar-e Māhshahr sits at 30.6°N, 49.2°E, 8 m above sea level, in Iran. The nearest listed city is Bandar-e Emam Khomeyni, 16 km away.

Topography around Bandar-e Māhshahr

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

Within 3 km, the terrain around Bandar-e Māhshahr has only modest variations in elevation — a maximum elevation change of 12 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 25 m; within 80 km, large variations in elevation — a maximum elevation change of 638 m.

The land around Bandar-e Māhshahr is covered by artificial surfaces (49%) and bare terrain (44%) within 3 km, bare terrain (57%) within 16 km, and bare terrain (48%) within 80 km.

3 km
12 m
16 km
25 m
80 km
638 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Bandar-e Emam Khomeyni 16 km · Chamrān 17 km · Rāmshīr 43 km · Shādegān 51 km · Omīdīyeh 54 km · Hendījān 62 km · Aghajari 64 km · Abadan 88 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 Bandar-e Māhshahr (30.5566°, 49.1885°, elevation 8 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).