Dehlorān weather in December

In December, Dehlorān sees average daytime highs of 16°C and overnight lows near 8°C, with 84 mm of rain across 7.5 wet days and about 9.9 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 54% 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 Dehlorān's 11th-clearest and 12th-windiest month. For the whole year in context, see Dehlorān's year-round climate.

Daytime high
16°
10th warmest
Overnight low
3rd coldest
Rainfall
84 mm
7.5 wet days
Daylight
9 h 54 min
7:21 AM – 5:13 PM
Cloud cover
41%
11th clearest
Wind
8 km/h
12th windiest
Solar energy
2.94 kWh/m²
Travel score
5.7
out of 10

Dehlorān is city in Ilam Province, Iran.

Air quality
Very high
PM2.5 43.6 µg/m³ · 2016

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 18°C in the first days to 15°C by the end.

A typical December day in Dehlorān reaches about 16°C in the afternoon and slips back to 8°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 21°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)
1189
2189
3189
4189
5179
6178
7178
8178
9178
10178
11178
12168
13168
14168
15168
16167
17167
18167
19167
20167
21167
22167
23167
24167
25167
26167
27157
28157
29157
30157
31157

How December really feels in Dehlorān

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.

Dehlorān 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
Jan14° / 928.510.14.5
Feb16° / 717.410.85.6
Mar21° / 11°727.211.87.3
Apr27° / 15°40512.87.4
May34° / 21°91.513.73.6
Jun40° / 25°00.114.10.2
Jul43° / 28°0013.90.0
Aug42° / 27°00.113.20.0
Sep38° / 23°10.312.21.2
Oct31° / 19°17211.25.6
Nov22° / 12°625.310.37.7
Dec16° / 847.59.95.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% 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 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36832
46733
56733
66634
76634
86535
96634
106634
116634
126634
136535
146535
156535
166535
176535
186535
196535
206535
216535
226535
236634
246634
256634
266634
276634
286535
296634
306634
316634

Chance of precipitation in December

Any precipitation

Dehlorān gets around 84 mm of rain over 7.5 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 24% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
123
223
324
425
525
626
727
827
927
1027
1128
1228
1327
1427
1527
1626
1726
1825
1925
2024
2123
2223
2322
2422
2521
2621
2721
2821
2922
3022
3123

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7982
8982
9982
10982
11991
12991
13991
14991
15991
16991
17991
18991
19991
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 8 km/h in December, the calmest month.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:11 AM to 7:28 AM, and sunset from 5:11 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:115:11
210.07:115:11
310.07:125:11
410.07:135:11
510.07:145:11
69.97:155:11
79.97:155:11
89.97:165:11
99.97:175:11
109.97:175:11
119.97:185:12
129.97:195:12
139.97:195:12
149.97:205:12
159.97:215:13
169.97:215:13
179.97:225:13
189.97:225:14
199.87:235:14
209.87:245:14
219.87:245:15
229.87:255:15
239.87:255:16
249.87:255:16
259.87:265:17
269.97:265:17
279.97:275:18
289.97:275:18
299.97:275:19
309.97:285:20
319.97:285:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.94 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.94 kWh/m² to a high of 8.02 kWh/m² in June across the year — December's 2.94 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.0Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.9Moderate
162.9Moderate
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
313.0Moderate
Planning a trip in December

Hazard calendar for Dehlorān

In seasonPeak

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

Dehlorān 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 Dehlorān?

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

5.7
Sightseeing
4th-best month of the year
1.0
Beach & pool
10th-best month of the year

December is a reasonable time to visit Dehlorān for sightseeing.

What to pack for Dehlorān in December

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

In December, Dehlorān sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer. About 8 days see rain.

a warm layer

UV index in Dehlorān 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 Dehlorān peaks around June 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 16UV 10Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul9Very high
Aug10Very high
Sep7High
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Dehlorān 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 Dehlorān is worst in April — around 55 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (November, 34 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Dehlorān's WHO annual average of 43.6 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateApr 2155 µg/m³Nov 2334 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb41Poor
Mar51Poor
Apr55Unhealthy
May54Poor
Jun47Poor
Jul46Poor
Aug44Poor
Sep42Poor
Oct40Poor
Nov34Moderate
Dec34Moderate
Location & terrain

Where is Dehlorān?

Dehlorān sits at 32.7°N, 47.3°E, 224 m above sea level, in Iran. The nearest listed city is Ābdānān, 36 km away.

AndīmeshkShush

Topography around Dehlorān

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

Within 3 km, the terrain around Dehlorān has only modest variations in elevation — a maximum elevation change of 110 m around an average of 225 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,319 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,482 m.

The land around Dehlorān is covered by cropland (34%), bare terrain (31%) and grassland (23%) within 3 km, bare terrain (42%), cropland (29%) and grassland (28%) within 16 km, and grassland (41%) and bare terrain (41%) within 80 km.

3 km
110 m
16 km
1,319 m
80 km
2,482 m
grasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Ābdānān 36 km · Darreh Shahr 51 km · ‘Alī al Gharbī 60 km · Poldokhtar 66 km · Al ‘Amārah 96 km · Kūhdasht 99 km · Andīmeshk 105 km · Shush 107 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 Dehlorān (32.6941°, 47.2679°, elevation 224 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).