Dezful weather in December

In December, Dezful sees average daytime highs of 18°C and overnight lows near 8°C, with 135 mm of rain across 8.3 wet days and about 9.9 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 51% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of December to 9 h 54 min by month's end. Set against the rest of the year, December is Dezful's 11th-clearest and 12th-windiest month. For the whole year in context, see Dezful's year-round climate.

Daytime high
18°
10th warmest
Overnight low
3rd coldest
Rainfall
135 mm
8.3 wet days
Daylight
9 h 54 min
7:16 AM – 5:09 PM
Cloud cover
43%
11th clearest
Wind
6 km/h
12th windiest
Solar energy
2.88 kWh/m²
Travel score
6.5
out of 10

Dezful 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 20°C in the first days to 17°C by the end.

A typical December day in Dezful reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12010
22010
32010
4209
5209
6199
7199
8199
9199
10199
11199
12199
13188
14188
15188
16188
17188
18188
19188
20188
21188
22188
23188
24188
25188
26187
27187
28187
29177
30177
31177

How December really feels in Dezful

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.

Dezful weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 1329.710.15.5
Feb18° / 947.910.86.5
Mar23° / 11°1137.311.87.5
Apr29° / 16°705.312.86.4
May37° / 21°91.613.62.0
Jun43° / 25°0014.10.0
Jul45° / 28°0013.90.0
Aug45° / 28°0013.20.0
Sep41° / 23°10.312.20.2
Oct34° / 19°221.711.23.8
Nov24° / 13°896.210.37.6
Dec18° / 1358.39.96.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% 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 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46535
56436
66337
76337
86337
96238
106238
116238
126238
136238
146238
156238
166238
176238
186337
196337
206337
216337
226337
236337
246337
256337
266337
276337
286337
296337
306337
316337

Chance of precipitation in December

Any precipitation

Dezful gets around 135 mm of rain over 8.3 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 27% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
227
327
428
528
629
730
830
930
1031
1130
1230
1330
1429
1529
1628
1728
1827
1926
2026
2125
2224
2323
2423
2523
2622
2723
2823
2923
3024
3125

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2955
3955
4955
5964
6964
7964
8964
9964
10964
11964
12964
13964
14964
15973
16973
17973
18973
19982
20982
21982
22982
23991
24991
25991
26991
27991
28991
29991
30991
31991

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 hours at the start of December to 9 h 54 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 7:05 AM to 7:22 AM, and sunset from 5:07 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:055:07
210.07:065:07
310.07:075:07
410.07:085:07
510.07:085:07
610.07:095:07
710.07:105:07
89.97:115:07
99.97:115:07
109.97:125:08
119.97:135:08
129.97:135:08
139.97:145:08
149.97:155:08
159.97:155:09
169.97:165:09
179.97:175:09
189.97:175:10
199.97:185:10
209.97:185:11
219.97:195:11
229.97:195:12
239.97:205:12
249.97:205:12
259.97:205:13
269.97:215:14
279.97:215:14
289.97:225:15
299.97:225:15
309.97:225:16
319.97:225:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.88 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.88 kWh/m² to a high of 7.96 kWh/m² in June across the year — December's 2.88 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.9Moderate
122.9Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in December

Hazard calendar for Dezful

In seasonPeak

In December, Dezful sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Dezful's rainy season runs November–April, when most of the year's rain falls.

Dezful sees seasonal dust haze (March–May), heaviest in May.

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

Is December a good time to visit Dezful?

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

6.5
Sightseeing
3rd-best month of the year
2.4
Beach & pool
7th-best month of the year

December is a reasonable time to visit Dezful for sightseeing.

What to pack for Dezful in December

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

In December, Dezful sees daytime highs around 18°C and nights near 8°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Dezful 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 Dezful peaks around June 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 15UV 9Jan 13UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Dezful 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 Dezful is worst in May — around 51 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (November, 31 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMay 1050 µg/m³Nov 1831 µg/m³
PM2.5 (µg/m³)Level
Jan35Poor
Feb42Poor
Mar48Poor
Apr49Poor
May51Poor
Jun35Poor
Jul36Poor
Aug33Moderate
Sep32Moderate
Oct32Moderate
Nov31Moderate
Dec32Moderate
Location & terrain

Where is Dezful?

Dezful sits at 32.4°N, 48.4°E, 143 m above sea level, in Iran. The nearest listed city is Andīmeshk, 10 km away.

Topography around Dezful

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

Within 3 km, the terrain around Dezful has only modest variations in elevation — a maximum elevation change of 42 m around an average of 136 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 279 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,662 m.

The land around Dezful is covered by artificial surfaces (64%) within 3 km, cropland (63%) within 16 km, and grassland (48%) and cropland (29%) within 80 km.

3 km
42 m
16 km
279 m
80 km
2,662 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Andīmeshk 10 km · Shush 26 km · Gotvand 41 km · Shūshtar 56 km · Lālī 65 km · Sūsangerd 93 km · Masjed Soleymān 98 km · Ḥamīdiyeh 100 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 Dezful (32.3811°, 48.4058°, elevation 143 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).