Chamrān weather in December

In December, Chamrān sees average daytime highs of 20°C and overnight lows near 10°C, with 72 mm of rain across 6.6 wet days and about 10 hours of daylight. It is the 11th-warmest and 1st-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 57% 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 Chamrān's 11th-clearest and 9th-windiest month. For the whole year in context, see Chamrān's year-round climate.

Daytime high
20°
11th warmest
Overnight low
10°
2nd coldest
Rainfall
72 mm
6.6 wet days
Daylight
10 hours
7:09 AM – 5:10 PM
Cloud cover
38%
11th clearest
Wind
12 km/h
9th windiest
Solar energy
3.14 kWh/m²
Travel score
7.2
out of 10

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 Chamrān reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°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 7°C cooler than November and about 2°C warmer than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52111
62111
72111
82111
92111
102111
112011
122011
132011
142010
152010
162010
172010
182010
192010
202010
211910
221910
231910
241910
251910
26199
27199
28199
29199
30199
31199

How December really feels in Chamrān

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.

Chamrān weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 636.810.26.8
Feb21° / 11°354.910.97.7
Mar26° / 14°354.111.87.9
Apr33° / 20°122.212.74.3
May40° / 25°40.613.50.5
Jun45° / 29°0013.90.0
Jul47° / 31°00.113.80.0
Aug46° / 30°10.213.10.0
Sep43° / 26°10.512.20.0
Oct36° / 21°8111.22.4
Nov27° / 15°724.510.47.4
Dec20° / 10°726.6107.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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
37129
47030
57030
67030
76931
86931
97030
107030
117030
127030
137129
147129
157129
167129
177129
187129
197228
207228
217228
227228
237129
247129
257030
266931
276832
286832
296733
306733
316733

Chance of precipitation in December

Any precipitation

Chamrān gets around 72 mm of rain over 6.6 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
122
222
323
423
523
624
724
824
924
1024
1124
1223
1323
1423
1522
1622
1722
1821
1921
2020
2120
2219
2319
2418
2518
2618
2718
2818
2919
3019
3119

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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
172217
272217
373216
474206
574206
674206
775196
876195
977185
1078175
1179174
1280164
1381154
1482153
1583143
1683143
1785132
1885132
1985132
2085132
2187121
2287121
2387121
2487121
2588111
2688111
2788111
2888111
2988111
3088111
3188111

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

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
210.16:595:08
310.17:005:08
410.17:015:08
510.17:015:08
610.17:025:08
710.17:035:08
810.17:045:08
910.17:045:08
1010.17:055:09
1110.17:065:09
1210.07:065:09
1310.07:075:09
1410.07:085:10
1510.07:085:10
1610.07:095:10
1710.07:095:11
1810.07:105:11
1910.07:115:11
2010.07:115:12
2110.07:125:12
2210.07:125:13
2310.07:125:13
2410.07:135:14
2510.07:135:14
2610.07:145:15
2710.07:145:15
2810.07:145:16
2910.07:155:16
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 3.14 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.14 kWh/m² to a high of 7.89 kWh/m² in June across the year — December's 3.14 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.2Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.1Moderate
223.1Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.1Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in December

Hazard calendar for Chamrān

In seasonPeak

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

Chamrān 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 Chamrān?

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

7.2
Sightseeing
4th-best month of the year
3.9
Beach & pool
6th-best month of the year

December is one of the better times to visit Chamrān for general sightseeing.

What to pack for Chamrān in December

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

In December, Chamrān sees daytime highs around 20°C and nights near 10°C. Little to plan around — just the basics. About 7 days see rain.

Sea temperature near Chamrān 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 65 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 Chamrān 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 Chamrān peaks around July 17 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 17UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr6High
May7High
Jun10Very high
Jul10Very high
Aug10Very high
Sep6High
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Chamrān 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 Chamrān 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 Chamrān?

Chamrān sits at 30.7°N, 49.2°E, 16 m above sea level, in Iran. The nearest listed city is Bandar-e Māhshahr, 17 km away.

Topography around Chamrān

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

Within 3 km, the terrain around Chamrān has only modest variations in elevation — a maximum elevation change of 13 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 16 m; within 80 km, large variations in elevation — a maximum elevation change of 790 m.

The land around Chamrān is covered by cropland (41%) and bare terrain (26%) within 3 km, bare terrain (45%) and cropland (43%) within 16 km, and bare terrain (48%) and cropland (22%) within 80 km.

3 km
13 m
16 km
16 m
80 km
790 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Bandar-e Māhshahr 17 km · Bandar-e Emam Khomeyni 31 km · Rāmshīr 31 km · Shādegān 48 km · Omīdīyeh 52 km · Aghajari 64 km · Hendījān 74 km · Rāmhormoz 76 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 Chamrān (30.7084°, 49.1627°, elevation 16 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).