Bījār weather in December

In December, Bījār sees average daytime highs of 6°C and overnight lows near -4°C, with 36 mm of precipitation across 7.1 wet days and about 9.6 hours of daylight. It is the 10th-warmest and 6th-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 40% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Bījār's 11th-clearest and 12th-windiest month. For the whole year in context, see Bījār's year-round climate.

Daytime high
10th warmest
Overnight low
-4°
3rd coldest
Precipitation
36 mm
7.1 wet days
Daylight
9 h 36 min
7:28 AM – 5:03 PM
Cloud cover
51%
11th clearest
Wind
9 km/h
12th windiest
Solar energy
2.71 kWh/m²
Travel score
0.4
out of 10

Bījār is city in Kurdistan 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 8°C in the first days to 4°C by the end.

A typical December day in Bījār reaches about 6°C in the afternoon and slips back to -4°C overnight — a 10°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 3°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
18-2
28-2
38-2
47-3
57-3
67-3
77-3
87-3
96-3
106-3
116-4
126-4
136-4
146-4
155-4
165-4
175-4
185-4
195-5
205-5
215-5
225-5
235-5
245-5
255-5
265-5
274-5
284-5
294-5
304-5
314-6

How December really feels in Bījār

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.

Bījār weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°377.67.39.80.0
Feb / -6°4086.510.60.2
Mar11° / -1°529.74.211.72.7
Apr17° / 5310.60.812.95.4
May23° / 348.2013.97.3
Jun30° / 14°51.3014.46.6
Jul34° / 17°20.6014.24.1
Aug33° / 16°10.3013.44.4
Sep28° / 12°20.6012.27.8
Oct21° / 244.6011.17.8
Nov12° / 427.21.710.13.4
Dec / -4°367.15.49.60.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35644
45545
55545
65545
75446
85446
95446
105446
115446
125446
135545
145545
155545
165743
175743
185743
195842
205941
215941
226040
235941
245941
256040
266040
276040
285941
295941
305941
315941

Chance of precipitation in December

Any precipitationSnow

Bījār gets around 36 mm of rain and snow over 7.1 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 23% and peaks near 26% on the wettest days, and about 5 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12312
22313
32414
42415
52515
62516
72517
82617
92618
102618
112619
122619
132619
142519
152519
162419
172419
182319
192318
202218
212118
222117
232017
242017
251917
261917
271917
281917
291917
302018
312018

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 9 km/h in December, the calmest month.

Across December, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 36 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 7:17 AM to 7:35 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)
19.77:175:02
29.77:185:02
39.77:195:01
49.77:205:01
59.77:205:01
69.77:215:01
79.77:225:01
89.67:235:02
99.67:245:02
109.67:245:02
119.67:255:02
129.67:265:02
139.67:265:02
149.67:275:03
159.67:285:03
169.67:285:03
179.67:295:03
189.67:305:04
199.67:305:04
209.67:315:05
219.67:315:05
229.67:325:05
239.67:325:06
249.67:335:06
259.67:335:07
269.67:335:08
279.67:345:08
289.67:345:09
299.67:345:09
309.67:355:10
319.67:355:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.71 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.71 kWh/m² to a high of 8.01 kWh/m² in June across the year — December's 2.71 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.8Moderate
42.8Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in December

Is December a good time to visit Bījār?

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 Bījār.

What to pack for Bījār in December

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

In December, Bījār sees daytime highs around 6°C and nights near -4°C. Pack a warm layer and a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Bījār 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 Bījār peaks around July 17 at about 11 (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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 17UV 11Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Bījār 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 Bījār is worst in May — around 32 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1032 µg/m³Dec 1917 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar28Moderate
Apr31Moderate
May32Moderate
Jun25Moderate
Jul23Moderate
Aug21Moderate
Sep22Moderate
Oct23Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is Bījār?

Bījār sits at 35.9°N, 47.6°E, 1,929 m above sea level, in Iran. The nearest listed city is Dīvāndarreh, 53 km away.

ZanjanSonqorKabūdarāhang

Topography around Bījār

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

Within 3 km, the terrain around Bījār has significant variations in elevation — a maximum elevation change of 520 m around an average of 2,009 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 929 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,723 m.

The land around Bījār is covered by grassland (50%) and cropland (20%) within 3 km, cropland (69%) and grassland (26%) within 16 km, and cropland (63%) and grassland (31%) within 80 km.

3 km
520 m
16 km
929 m
80 km
1,723 m
treesgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Dīvāndarreh 53 km · Takāb 74 km · Qorveh 80 km · Sanandaj 82 km · Qīdar 93 km · Zanjan 120 km · Sonqor 121 km · Kabūdarāhang 125 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 Bījār (35.8668°, 47.6051°, elevation 1,929 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).