Borūjerd weather in December

In December, Borūjerd sees average daytime highs of 6°C and overnight lows near -4°C, with 67 mm of precipitation across 8.1 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 8°C in the first days to 4°C by the end. The sky is clear or mostly clear about 42% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of December to 9 h 48 min by month's end. Set against the rest of the year, December is Borūjerd's 8th-clearest and 11th-windiest month. For the whole year in context, see Borūjerd's year-round climate.

Daytime high
10th warmest
Overnight low
-4°
3rd coldest
Precipitation
67 mm
8.1 wet days
Daylight
9 h 48 min
7:18 AM – 5:04 PM
Cloud cover
50%
8th clearest
Wind
6 km/h
11th windiest
Solar energy
2.97 kWh/m²
Travel score
0.4
out of 10

Borūjerd is city in Lorestan Province, Iran.

Density
97/km²
people per km²

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 8°C in the first days to 4°C by the end.

A typical December day in Borūjerd reaches about 6°C in the afternoon and slips back to -4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 11°C. Set against its neighbours, December runs about 6°C cooler than November and about 4°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
18-1
28-2
38-2
47-2
57-2
67-2
77-2
87-3
96-3
106-3
116-3
126-3
136-3
146-3
156-4
165-4
175-4
185-4
195-4
205-4
215-4
225-4
235-5
245-5
255-5
265-5
275-5
284-5
294-5
304-5
314-5

How December really feels in Borūjerd

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Borūjerd weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°719.69.1100.0
Feb / -5°749.98.910.70.1
Mar / -1°9911.3711.72.0
Apr15° / 8412.4112.84.5
May22° / 10°378.4013.77.2
Jun29° / 15°30.9014.27.5
Jul33° / 18°10.20144.9
Aug32° / 17°10.2013.35.1
Sep28° / 13°20.7012.28.0
Oct21° / 275.3011.17.7
Nov12° / 617.9210.23.4
Dec / -4°678.16.59.80.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
35941
45941
55842
65842
75743
85743
95743
105644
115644
125644
135644
145644
155644
165743
175743
185743
195743
205743
215743
225842
235842
245842
255941
265941
275842
285941
295941
305842
315842

Chance of precipitation in December

Any precipitationSnow

Borūjerd gets around 67 mm of rain and snow over 8.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 26% and peaks near 29% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12817
22818
32918
42919
52919
62920
72921
82921
92922
102922
112822
122822
132722
142722
152622
162622
172522
182522
192422
202422
212322
222321
232321
242321
252321
262321
272421
282421
292521
302522
312622

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 6 km/h in December.

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 9 h 54 min at the start of December to 9 h 48 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 7:08 AM to 7:25 AM, and sunset from 5:02 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:085:02
29.97:085:02
39.97:095:02
49.97:105:02
59.97:115:02
69.87:125:02
79.87:125:02
89.87:135:02
99.87:145:02
109.87:155:02
119.87:155:03
129.87:165:03
139.87:175:03
149.87:175:03
159.87:185:04
169.87:185:04
179.87:195:04
189.77:205:05
199.77:205:05
209.77:215:05
219.77:215:06
229.77:225:06
239.77:225:07
249.77:235:07
259.77:235:08
269.77:235:08
279.87:245:09
289.87:245:09
299.87:245:10
309.87:255:11
319.87:255:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.97 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.97 kWh/m² to a high of 8.01 kWh/m² in June across the year — December's 2.97 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.1Moderate
Planning a trip in December

Hazard calendar for Borūjerd

In seasonPeak

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

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

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

Is December a good time to visit Borūjerd?

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

0.4
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Borūjerd.

What to pack for Borūjerd in December

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

In December, Borūjerd sees daytime highs around 6°C and nights near -4°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 8 days see rain.

a warm layera heavy coatrain gear

UV index in Borūjerd 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 Borūjerd peaks around July 19 at about 12 (extreme) — 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 highExtremeVery highModerateJul 19UV 12Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb6High
Mar6High
Apr7Very high
May10Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct7High
Nov4Moderate
Dec4Moderate

Air quality in Borūjerd 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 Borūjerd is worst in April — around 38 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (December, 22 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1838 µg/m³Dec 1122 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb28Moderate
Mar34Moderate
Apr38Poor
May36Poor
Jun27Moderate
Jul28Moderate
Aug23Moderate
Sep25Moderate
Oct25Moderate
Nov22Moderate
Dec22Moderate
Location & terrain

Where is Borūjerd?

Borūjerd sits at 33.9°N, 48.8°E, 1,574 m above sea level, in Iran. The nearest listed city is Aleshtar, 45 km away.

Topography around Borūjerd

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

Within 3 km, the terrain around Borūjerd has only modest variations in elevation — a maximum elevation change of 192 m around an average of 1,580 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,872 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,180 m.

The land around Borūjerd is covered by artificial surfaces (51%) and cropland (22%) within 3 km, grassland (46%) and cropland (40%) within 16 km, and grassland (51%) and cropland (33%) within 80 km.

3 km
192 m
16 km
1,872 m
80 km
3,180 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Aleshtar 45 km · Malāyer 45 km · Nahāvand 48 km · Dorūd 53 km · Khorramabad 58 km · Shāzand 61 km · Mahājerān 65 km · Nūrābād 74 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 Borūjerd (33.8973°, 48.7516°, elevation 1,574 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).