Bandar-e Deyr weather in December

In December, Bandar-e Deyr sees average daytime highs of 22°C and overnight lows near 17°C, with 54 mm of rain across 4.4 wet days and about 10.3 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 69% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of December to 10 h 18 min by month's end. Set against the rest of the year, December is Bandar-e Deyr's 8th-clearest and 7th-windiest month. For the whole year in context, see Bandar-e Deyr's year-round climate.

Daytime high
22°
10th warmest
Overnight low
17°
3rd coldest
Rainfall
54 mm
4.4 wet days
Daylight
10 h 12 min
6:51 AM – 5:06 PM
Cloud cover
28%
8th clearest
Wind
14 km/h
7th windiest
Solar energy
3.66 kWh/m²
Travel score
8.1
out of 10

Bandar-e Deyr is city in Bushehr 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 23°C in the first days to 21°C by the end.

A typical December day in Bandar-e Deyr reaches about 22°C in the afternoon and slips back to 17°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, December runs about 4°C cooler than November and about 3°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12319
22319
32319
42319
52319
62318
72318
82318
92218
102218
112218
122218
132218
142218
152217
162217
172217
182117
192117
202117
212117
222117
232117
242117
252117
262116
272116
282116
292116
302116
312016

How December really feels in Bandar-e Deyr

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 Deyr weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 15°625.810.47.3
Feb20° / 16°293.2117.9
Mar23° / 19°222.911.88.5
Apr27° / 23°40.712.68.3
May31° / 27°10.113.45.8
Jun34° / 30°0013.74.2
Jul35° / 31°0013.63.5
Aug35° / 32°00133.4
Sep34° / 30°0012.24.2
Oct31° / 27°10.111.36.1
Nov26° / 22°252.310.68.3
Dec22° / 17°544.410.38.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28119
38020
48020
58020
68020
77921
87822
97822
107822
117822
127822
137921
147921
157921
167921
178020
187921
197921
208020
218020
228119
238119
248119
258119
268020
278020
287921
297921
307822
317723

Chance of precipitation in December

Any precipitation

Bandar-e Deyr gets around 54 mm of rain over 4.4 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 15% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
115
216
316
416
517
617
717
817
918
1017
1117
1217
1317
1416
1516
1615
1715
1814
1914
2013
2113
2212
2312
2411
2511
2611
2712
2812
2912
3013
3113

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 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14630231
24730231
34729221
44829211
54928211
65128201
75227201
85327191
95526181
105626171
115726161
125925151
136025141
146125131
156125131
166225121
176425110
186425110
196426100
206426100
21652690
22642790
23652780
24642880
25652870
26652870
27642970
28652960
29652960
30652960
31652960

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 24 min at the start of December to 10 h 18 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 5:03 PM to 5:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.46:415:03
210.46:425:03
310.36:435:03
410.36:435:03
510.36:445:03
610.36:455:03
710.36:455:03
810.36:465:04
910.36:475:04
1010.36:475:04
1110.36:485:04
1210.36:495:05
1310.36:495:05
1410.36:505:05
1510.26:505:05
1610.26:515:06
1710.26:525:06
1810.26:525:07
1910.26:535:07
2010.26:535:07
2110.26:545:08
2210.26:545:08
2310.26:555:09
2410.26:555:09
2510.26:555:10
2610.26:565:10
2710.26:565:11
2810.26:575:11
2910.26:575:12
3010.36:575:13
3110.36:585:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.66 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 7.65 kWh/m² in June across the year — December's 3.66 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
313.6Moderate
Planning a trip in December

Hazard calendar for Bandar-e Deyr

In seasonPeak

None of Bandar-e Deyr'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 Deyr sees seasonal dust haze (March–May), heaviest in April.

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

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

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

8.1
Sightseeing
4th-best month of the year
5.4
Beach & pool
10th-best month of the year

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

What to pack for Bandar-e Deyr in December

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

In December, Bandar-e Deyr sees daytime highs around 22°C and nights near 17°C. Little to plan around — just the basics. About 4 days see rain.

Sea temperature near Bandar-e Deyr in December

The nearest coast averages about 25°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 34°C and coldest in February near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb21Refreshing
Mar21Refreshing
Apr24Refreshing
May26Warm
Jun29Tropical
Jul32Tropical
Aug34Tropical
Sep33Tropical
Oct31Tropical
Nov28Warm
Dec25Warm

UV index in Bandar-e Deyr 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 Bandar-e Deyr peaks around June 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighVery highExtremeVery highHighHighModerateJun 18UV 11Dec 23UV 4
UV index (midday)Level
Jan4Moderate
Feb7High
Mar8Very high
Apr6High
May9Very high
Jun11Extreme
Jul10Very high
Aug9Very high
Sep7High
Oct7Very high
Nov5High
Dec4Moderate

Air quality in Bandar-e Deyr 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 Deyr is worst in July — around 48 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (November, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 2047 µg/m³Nov 2323 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb30Moderate
Mar33Moderate
Apr35Moderate
May40Poor
Jun37Poor
Jul48Poor
Aug44Poor
Sep38Poor
Oct33Moderate
Nov23Moderate
Dec23Moderate
Location & terrain

Where is Bandar-e Deyr?

Bandar-e Deyr sits at 27.8°N, 51.9°E, 9 m above sea level, in Iran. The nearest listed city is Bandar-e Kangān, 12 km away.

KhūrmūjFarrāshbandFīrūzābādPārsiān

Topography around Bandar-e Deyr

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

Within 3 km, the terrain around Bandar-e Deyr has only modest variations in elevation — a maximum elevation change of 69 m around an average of 9 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,072 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,544 m.

The land around Bandar-e Deyr is covered by bare terrain (42%) and water (38%) within 3 km, water (48%) and bare terrain (44%) within 16 km, and bare terrain (54%) and water (34%) within 80 km.

3 km
69 m
16 km
1,072 m
80 km
1,544 m
shrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Bandar-e Kangān 12 km · Jam 38 km · Makū 48 km · Nakhl-e Taqī 74 km · Khūrmūj 106 km · Farrāshband 114 km · Fīrūzābād 128 km · Pārsiān 129 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 Deyr (27.8399°, 51.9378°, elevation 9 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).