Bahārestān weather in December

In December, Bahārestān sees average daytime highs of 11°C and overnight lows near -1°C, with 13 mm of precipitation across 3.1 wet days and about 9.9 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 10°C by the end. The sky is clear or mostly clear about 64% 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 Bahārestān's 8th-clearest and 12th-windiest month. For the whole year in context, see Bahārestān's year-round climate.

Daytime high
11°
11th warmest
Overnight low
-1°
2nd coldest
Precipitation
13 mm
3.1 wet days
Daylight
9 h 54 min
7:03 AM – 4:55 PM
Cloud cover
34%
8th clearest
Wind
5 km/h
12th windiest
Solar energy
3.32 kWh/m²
Travel score
3.5
out of 10

Bahārestān is city in Isfahan 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 13°C in the first days to 10°C by the end.

A typical December day in Bahārestān reaches about 11°C in the afternoon and slips back to -1°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 16°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
1131
2130
3130
4130
5120
6120
7120
8120
9120
1012-1
1112-1
1211-1
1311-1
1411-1
1511-1
1611-1
1711-1
1811-1
1911-1
2011-2
2111-2
2211-2
2311-2
2411-2
2511-2
2611-2
2711-2
2810-2
2910-2
3010-2
3110-2

How December really feels in Bahārestān

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.

Bahārestān weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°153.21.710.12.5
Feb13° / -1°112.60.310.84.7
Mar18° / 153.60.111.87.1
Apr23° / 103.6012.88.1
May29° / 14°82.4013.66.7
Jun35° / 19°10.3014.13.5
Jul37° / 22°00.1013.91.9
Aug36° / 20°00013.22.8
Sep32° / 15°00012.25.5
Oct25° / 20.8011.28.8
Nov17° / 132.40.210.36.6
Dec11° / -1°133.10.89.93.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37228
47228
57228
67228
77228
87228
97228
107327
117327
127426
137426
147426
157525
167525
177525
187624
197624
207723
217723
227723
237723
247723
257723
267723
277723
287723
297723
307723
317624

Chance of precipitation in December

Any precipitationSnow

Bahārestān gets around 13 mm of rain and snow over 3.1 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 10% and peaks near 13% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1121
2122
3122
4122
5132
6132
7132
8133
9133
10123
11123
12123
13123
14113
15113
16103
17103
18103
1993
2093
2183
2283
2383
2483
2583
2683
2783
2883
2983
3093
3193

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 5 km/h in December, the calmest month.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:52 AM to 7:09 AM, and sunset from 4:53 PM to 5:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.06:524:53
210.06:534:53
310.06:544:53
410.06:544:53
510.06:554:53
610.06:564:53
79.96:574:53
89.96:574:53
99.96:584:54
109.96:594:54
119.97:004:54
129.97:004:54
139.97:014:54
149.97:024:55
159.97:024:55
169.97:034:55
179.97:034:56
189.97:044:56
199.97:044:56
209.97:054:57
219.97:064:57
229.97:064:58
239.97:064:58
249.97:074:59
259.97:074:59
269.97:085:00
279.97:085:00
289.97:085:01
299.97:095:02
309.97:095:02
319.97:095:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.32 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.32 kWh/m² to a high of 8.02 kWh/m² in June across the year — December's 3.32 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.3Moderate
183.3Moderate
193.3Moderate
203.3Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in December

Is December a good time to visit Bahārestān?

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

3.5
Sightseeing
8th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Bahārestān.

What to pack for Bahārestān in December

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

In December, Bahārestān sees daytime highs around 11°C and nights near -1°C. Pack a warm layer. About 3 days see rain.

a warm layer

UV index in Bahārestān 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 Bahārestān peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 18UV 11Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb6High
Mar7High
Apr8Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct7Very high
Nov4Moderate
Dec3Moderate

Air quality in Bahārestān 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 Bahārestān is worst in April — around 40 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (August, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1740 µg/m³Aug 1623 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb34Moderate
Mar36Poor
Apr40Poor
May37Poor
Jun26Moderate
Jul29Moderate
Aug22Moderate
Sep29Moderate
Oct31Moderate
Nov30Moderate
Dec32Moderate
Location & terrain

Where is Bahārestān?

Bahārestān sits at 32.5°N, 51.8°E, 1,562 m above sea level, in Iran. The nearest listed city is Abrīsham, 20 km away.

Topography around Bahārestān

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

Within 3 km, the terrain around Bahārestān has significant variations in elevation — a maximum elevation change of 274 m around an average of 1,578 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 931 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,822 m.

The land around Bahārestān is covered by bare terrain (54%) and artificial surfaces (36%) within 3 km, bare terrain (70%) within 16 km, and bare terrain (84%) within 80 km.

3 km
274 m
16 km
931 m
80 km
1,822 m
treesgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Abrīsham 20 km · Isfahan 20 km · Kelīshād va Sūdarjān 24 km · Dorcheh Pīāz 25 km · Falāvarjān 26 km · Rehnān 27 km · Dīzīcheh 27 km · Mobārakeh 30 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 Bahārestān (32.4881°, 51.7731°, elevation 1,562 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).