Khūrmūj weather in December

In December, Khūrmūj sees average daytime highs of 21°C and overnight lows near 10°C, with 63 mm of rain across 5.7 wet days and about 10.2 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°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 18 min at the start of December to 10 h 12 min by month's end. Set against the rest of the year, December is Khūrmūj's 9th-clearest and 12th-windiest month. For the whole year in context, see Khūrmūj's year-round climate.

Daytime high
21°
10th warmest
Overnight low
10°
3rd coldest
Rainfall
63 mm
5.7 wet days
Daylight
10 h 12 min
6:55 AM – 5:06 PM
Cloud cover
32%
9th clearest
Wind
6 km/h
12th windiest
Solar energy
3.52 kWh/m²
Travel score
7.6
out of 10

Khūrmūj 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 22°C in the first days to 20°C by the end.

A typical December day in Khūrmūj reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, December runs about 5°C cooler than November and about 3°C warmer than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12311
22211
32211
42211
52211
62211
72210
82110
92110
102110
112110
122110
132110
142110
152110
162110
17209
18209
19209
20209
21209
22209
23209
24209
25209
26209
27209
28209
29209
30209
31199

How December really feels in Khūrmūj

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.

Khūrmūj 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
Jan18° / 767.210.46.7
Feb20° / 10°415.1117.5
Mar25° / 13°354.811.88.2
Apr31° / 18°112.112.75.7
May37° / 23°20.613.41.7
Jun41° / 27°00.213.80.0
Jul42° / 29°10.313.60.0
Aug41° / 28°31.2130.0
Sep39° / 24°31.112.20.9
Oct34° / 19°30.911.34.1
Nov26° / 14°293.510.67.9
Dec21° / 10°635.710.27.6

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 13% of December, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47723
57723
67723
77723
87624
97723
107723
117723
127723
137723
147723
157723
167723
177723
187723
197822
207822
217723
227723
237723
247624
257624
267624
277525
287426
297426
307228
317228

Chance of precipitation in December

Any precipitation

Khūrmūj gets around 63 mm of rain over 5.7 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 19% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
219
319
420
520
620
720
821
921
1020
1120
1220
1320
1419
1519
1619
1719
1818
1918
2017
2117
2217
2316
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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18911
28911
38911
48911
58911
68911
78911
88911
98911
108911
119010
129010
13919
14919
15928
16937
17937
18946
19946
20955
21955
22964
23964
24973
25973
26973
27982
28982
29982
30982
31982

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 18 min at the start of December to 10 h 12 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 6:45 AM to 7:02 AM, and sunset from 5:03 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.36:455:03
210.36:465:03
310.36:475:03
410.36:475:04
510.36:485:04
610.36:495:04
710.26:495:04
810.26:505:04
910.26:515:04
1010.26:515:04
1110.26:525:05
1210.26:535:05
1310.26:535:05
1410.26:545:05
1510.26:555:06
1610.26:555:06
1710.26:565:07
1810.26:565:07
1910.26:575:07
2010.26:575:08
2110.26:585:08
2210.26:585:09
2310.26:595:09
2410.26:595:10
2510.27:005:10
2610.27:005:11
2710.27:005:11
2810.27:015:12
2910.27:015:12
3010.27:015:13
3110.27:025:14

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.52 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.52 kWh/m² to a high of 7.84 kWh/m² in June across the year — December's 3.52 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in December

Hazard calendar for Khūrmūj

In seasonPeak

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

Khūrmūj 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 Khūrmūj?

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

7.6
Sightseeing
3rd-best month of the year
4.4
Beach & pool
6th-best month of the year

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

What to pack for Khūrmūj in December

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

In December, Khūrmūj sees daytime highs around 21°C and nights near 10°C. Little to plan around — just the basics. About 6 days see rain.

Sea temperature near Khūrmūj in December

The nearest coast averages about 23°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 25 km away) is warmest in August at about 33°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 19 to Jan 17 — about 10 months when the water holds above 20°C.

15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb19Cool
Mar20Cool
Apr23Refreshing
May26Warm
Jun29Tropical
Jul32Tropical
Aug33Tropical
Sep32Tropical
Oct30Tropical
Nov27Warm
Dec23Refreshing

UV index in Khūrmūj 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 Khūrmūj peaks around June 19 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 19UV 10Jan 1UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr6High
May8Very high
Jun10Extreme
Jul9Very high
Aug9Very high
Sep7High
Oct7Very high
Nov5Moderate
Dec4Moderate

Air quality in Khūrmūj 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 Khūrmūj is worst in July — around 42 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (November, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateJul 1841 µg/m³Nov 2121 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb30Moderate
Mar34Moderate
Apr37Poor
May40Poor
Jun33Moderate
Jul42Poor
Aug36Poor
Sep28Moderate
Oct26Moderate
Nov21Moderate
Dec22Moderate
Location & terrain

Where is Khūrmūj?

Khūrmūj sits at 28.7°N, 51.4°E, 56 m above sea level, in Iran. The nearest listed city is Ahram, 27 km away.

Bandar-e Deyr

Topography around Khūrmūj

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

Within 3 km, the terrain around Khūrmūj has only modest variations in elevation — a maximum elevation change of 110 m around an average of 66 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,926 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,929 m.

The land around Khūrmūj is covered by bare terrain (42%), artificial surfaces (24%) and cropland (22%) within 3 km, bare terrain (67%) within 16 km, and bare terrain (47%) and water (23%) within 80 km.

3 km
110 m
16 km
1,926 m
80 km
1,929 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Ahram 27 km · ‘Ālī Shahr 43 km · Choghādak 50 km · Bushehr 63 km · Borāzjān 70 km · Farrāshband 73 km · Āb Pakhsh 84 km · Bandar-e Deyr 106 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 Khūrmūj (28.6543°, 51.38°, elevation 56 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).