Kahrīzak weather in December

In December, Kahrīzak sees average daytime highs of 12°C and overnight lows near 2°C, with 22 mm of precipitation across 5 wet days and about 9.7 hours of daylight. It is the 11th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 11°C by the end. The sky is clear or mostly clear about 58% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Kahrīzak's 10th-clearest and 12th-windiest month. For the whole year in context, see Kahrīzak's year-round climate.

Daytime high
12°
11th warmest
Overnight low
2nd coldest
Precipitation
22 mm
5 wet days
Daylight
9 h 36 min
7:10 AM – 4:48 PM
Cloud cover
37%
10th clearest
Wind
6 km/h
12th windiest
Solar energy
2.76 kWh/m²
Travel score
3.6
out of 10

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 11°C by the end.

A typical December day in Kahrīzak reaches about 12°C in the afternoon and slips back to 2°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 16°C. Set against its neighbours, December runs about 6°C cooler than November and about 1°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1134
2133
3133
4133
5133
6123
7123
8123
9123
10123
11122
12122
13122
14122
15122
16112
17112
18112
19112
20112
21112
22111
23111
24111
25111
26111
27111
28111
29111
30111
31111

How December really feels in Kahrīzak

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 12 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
12
wind chill below the day's low

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

Kahrīzak weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 235.21.39.92.9
Feb13° / 235.20.710.74.4
Mar19° / 325.70.211.76.9
Apr25° / 13°224.3012.97.9
May31° / 19°91.9013.85.3
Jun38° / 24°20.3014.31.7
Jul40° / 27°10.1014.10.1
Aug39° / 25°10.2013.30.9
Sep34° / 20°10.2012.24.0
Oct27° / 14°81.7011.18.0
Nov18° / 254.30.110.16.6
Dec12° / 2250.39.73.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
26931
36931
46832
56832
66733
76733
86832
96832
106931
116931
126931
137129
147129
157129
167129
177228
187327
197327
207426
217426
227426
237525
247525
257525
267525
277525
287525
297426
307426
317426

Chance of precipitation in December

Any precipitationSnow

Kahrīzak gets around 22 mm of rain and snow over 5 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 16% and peaks near 19% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1190
2190
3190
4190
5190
6190
7190
8181
9181
10181
11181
12181
13171
14171
15171
16161
17161
18161
19151
20151
21151
22141
23141
24141
25131
26131
27131
28131
29141
30141
31142

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, 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 9 h 48 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 12 minutes over December. Sunrise moves from 6:59 AM to 7:16 AM, and sunset from 4:46 PM to 4:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.86:594:46
29.87:004:46
39.87:004:46
49.77:014:46
59.77:024:46
69.77:034:46
79.77:044:46
89.77:044:46
99.77:054:46
109.77:064:46
119.77:074:46
129.77:074:47
139.67:084:47
149.67:094:47
159.67:094:47
169.67:104:48
179.67:114:48
189.67:114:48
199.67:124:49
209.67:124:49
219.67:134:49
229.67:134:50
239.67:144:50
249.67:144:51
259.67:154:51
269.67:154:52
279.67:154:53
289.67:164:53
299.67:164:54
309.67:164:54
319.67:164:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.76 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.76 kWh/m² to a high of 7.96 kWh/m² in June across the year — December's 2.76 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.8Moderate
32.8Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.8Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in December

Is December a good time to visit Kahrīzak?

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

3.6
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 Kahrīzak.

What to pack for Kahrīzak in December

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

In December, Kahrīzak sees daytime highs around 12°C and nights near 2°C. Pack a warm layer. About 5 days see rain.

a warm layer

UV index in Kahrīzak in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kahrīzak peaks around July 17 at about 10 (very high) — 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 — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 17UV 10Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar4Moderate
Apr7Very high
May9Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Kahrīzak 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 Kahrīzak is worst in December — around 149 µg/m³ PM2.5 (unhealthy), about 3.5× the cleanest month (July, 42 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 22148 µg/m³Jul 1943 µg/m³
PM2.5 (µg/m³)Level
Jan145Unhealthy
Feb126Unhealthy
Mar95Unhealthy
Apr88Unhealthy
May72Unhealthy
Jun52Poor
Jul42Poor
Aug47Poor
Sep62Unhealthy
Oct86Unhealthy
Nov123Unhealthy
Dec149Unhealthy
Location & terrain

Where is Kahrīzak?

Kahrīzak sits at 35.3°N, 51.8°E, 958 m above sea level, in Iran. The nearest listed city is Pīshvā, 11 km away.

Topography around Kahrīzak

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

Within 3 km, the terrain around Kahrīzak has only modest variations in elevation — a maximum elevation change of 46 m around an average of 957 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 645 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,840 m.

The land around Kahrīzak is covered by cropland (82%) within 3 km, bare terrain (59%) and cropland (32%) within 16 km, and bare terrain (60%) and grassland (23%) within 80 km.

3 km
46 m
16 km
645 m
80 km
4,840 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Pīshvā 11 km · Mojtame‘-e Maskūnī-ye Nāmjū 18 km · Varāmīn 18 km · Pākdasht 21 km · Qarchak 26 km · Qīāmdasht 26 km · Ferūnābād 27 km · Eqbālīyeh 28 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 Kahrīzak (35.3465°, 51.8442°, elevation 958 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).