Naţanz weather in December

In December, Naţanz sees average daytime highs of 11°C and overnight lows near 2°C, with 19 mm of precipitation across 4.9 wet days and about 9.8 hours of daylight. It is the 11th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 10°C by the end. The sky is clear or mostly clear about 56% 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 Naţanz's 8th-clearest and 12th-windiest month. For the whole year in context, see Naţanz's year-round climate.

Daytime high
11°
11th warmest
Overnight low
3rd coldest
Precipitation
19 mm
4.9 wet days
Daylight
9 h 48 min
7:05 AM – 4:52 PM
Cloud cover
38%
8th clearest
Wind
5 km/h
12th windiest
Solar energy
3.13 kWh/m²
Travel score
3.3
out of 10

Naţanz 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 12°C in the first days to 10°C by the end.

A typical December day in Naţanz reaches about 11°C in the afternoon and slips back to 2°C overnight — a 9°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 5°C cooler than November and about 2°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1133
2123
3123
4123
5123
6123
7123
8122
9112
10112
11112
12112
13112
14112
15112
16112
17112
18112
19111
20111
21111
22111
23111
24111
25111
26111
27111
28111
29111
30101
31101

How December really feels in Naţanz

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 13 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
13
wind chill below the day's low

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

Naţanz 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
Jan / -0°245.23.3102.2
Feb12° / 214.91.610.83.8
Mar17° / 316.91.111.76.1
Apr23° / 12°297.40.112.87.3
May28° / 17°174.9013.76.8
Jun34° / 22°20.5014.24.2
Jul36° / 24°10.20142.8
Aug35° / 23°00013.23.5
Sep31° / 19°10.1012.26.0
Oct25° / 13°92.7011.28.5
Nov16° / 224.80.610.35.8
Dec11° / 194.91.79.83.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26832
36832
46733
56733
66733
76634
86634
96733
106733
116733
126931
136931
146931
157030
167129
177129
187228
197228
207327
217327
227426
237426
247525
257624
267525
277525
287525
297525
307525
317525

Chance of precipitation in December

Any precipitationSnow

Naţanz gets around 19 mm of rain and snow over 4.9 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 15% and peaks near 18% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1164
2175
3175
4175
5175
6176
7186
8186
9186
10186
11186
12186
13186
14186
15176
16176
17175
18165
19165
20155
21155
22145
23135
24135
25125
26115
27115
28115
29116
30116
31116

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 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 6:54 AM to 7:11 AM, and sunset from 4:50 PM to 5:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.96:544:50
29.96:554:50
39.96:564:50
49.96:564:50
59.96:574:50
69.96:584:50
79.96:594:50
89.86:594:50
99.87:004:51
109.87:014:51
119.87:024:51
129.87:024:51
139.87:034:51
149.87:044:52
159.87:044:52
169.87:054:52
179.87:054:53
189.87:064:53
199.87:074:53
209.87:074:54
219.87:084:54
229.87:084:55
239.87:084:55
249.87:094:56
259.87:094:56
269.87:104:57
279.87:104:57
289.87:104:58
299.87:114:58
309.87:114:59
319.87:115:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.13 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 7.92 kWh/m² in June across the year — December's 3.13 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in December

Hazard calendar for Naţanz

In seasonPeak

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

Naţanz sees seasonal dust haze (July), heaviest in July.

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

Is December a good time to visit Naţanz?

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

3.3
Sightseeing
10th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Naţanz.

What to pack for Naţanz in December

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

In December, Naţanz sees daytime highs around 11°C and nights near 2°C. Pack a warm layer. About 5 days see rain.

a warm layer

UV index in Naţanz 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 Naţanz peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 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 highHighModerateJul 17UV 11Jan 13UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May10Very high
Jun10Very high
Jul11Extreme
Aug10Very high
Sep8Very high
Oct7High
Nov4Moderate
Dec4Moderate

Air quality in Naţanz 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 Naţanz is worst in April — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 2038 µg/m³Nov 2124 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb30Moderate
Mar33Moderate
Apr38Poor
May37Poor
Jun29Moderate
Jul35Moderate
Aug26Moderate
Sep29Moderate
Oct26Moderate
Nov24Moderate
Dec25Moderate
Location & terrain

Where is Naţanz?

Naţanz sits at 33.5°N, 51.9°E, 1,637 m above sea level, in Iran. The nearest listed city is Ardestān, 44 km away.

Topography around Naţanz

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

Within 3 km, the terrain around Naţanz has large variations in elevation — a maximum elevation change of 663 m around an average of 1,696 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,830 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,009 m.

The land around Naţanz is covered by bare terrain (64%) within 3 km, bare terrain (87%) within 16 km, and bare terrain (94%) within 80 km.

3 km
663 m
16 km
2,830 m
80 km
3,009 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Ardestān 44 km · Kashan 69 km · Ārān Bīdgol 73 km · Shāhīn Shahr 80 km · Dowlatābād 82 km · Dastgerd 82 km · Gaz-e Borkhar 83 km · Khowrzūq 85 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 Naţanz (33.5112°, 51.9181°, elevation 1,637 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).