Āq Qalā weather in December

In December, Āq Qalā sees average daytime highs of 15°C and overnight lows near 6°C, with 58 mm of precipitation across 8.5 wet days and about 9.5 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 14°C by the end. The sky is clear or mostly clear about 46% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Āq Qalā's 8th-clearest and 11th-windiest month. For the whole year in context, see Āq Qalā's year-round climate.

Daytime high
15°
10th warmest
Overnight low
3rd coldest
Precipitation
58 mm
8.5 wet days
Daylight
9 h 30 min
7:04 AM – 4:32 PM
Cloud cover
47%
8th clearest
Wind
5 km/h
11th windiest
Solar energy
2.26 kWh/m²
Travel score
4.7
out of 10

Āq Qalā is city in Golestan 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 16°C in the first days to 14°C by the end.

A typical December day in Āq Qalā reaches about 15°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 20°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1167
2167
3167
4157
5157
6157
7157
8157
9156
10156
11156
12156
13156
14156
15156
16146
17146
18146
19146
20146
21146
22146
23145
24145
25145
26145
27145
28145
29145
30145
31145

How December really feels in Āq Qalā

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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Āq Qalā 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
Jan13° / 659.10.69.73.9
Feb14° / 729.51.310.64.2
Mar17° / 7410.40.211.75.6
Apr22° / 13°568.6012.97.0
May27° / 18°365.80146.9
Jun32° / 22°183.4014.55.1
Jul34° / 25°194.6014.33.8
Aug34° / 25°184.1013.43.5
Sep31° / 21°365.6012.35.2
Oct26° / 16°5460117.7
Nov19° / 10°758.50.2106.5
Dec15° / 588.50.29.54.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45545
55545
65446
75545
85545
95446
105446
115545
125545
135644
145644
155743
165743
175743
185941
195941
206040
216040
226139
236238
246337
256337
266337
276337
286436
296337
306337
316238

Chance of precipitation in December

Any precipitation

Āq Qalā gets around 58 mm of rain and snow over 8.5 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 28% and peaks near 32% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
331
431
531
631
731
831
931
1030
1130
1230
1329
1429
1529
1628
1728
1827
1927
2026
2126
2225
2324
2424
2523
2623
2723
2823
2923
3023
3124

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.

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 36 min at the start of December to 9 h 30 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 6:53 AM to 7:11 AM, and sunset from 4:31 PM to 4:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.66:534:31
29.66:534:31
39.66:544:31
49.66:554:31
59.66:564:31
69.66:574:31
79.66:584:31
89.56:594:31
99.56:594:31
109.57:004:31
119.57:014:31
129.57:024:32
139.57:024:32
149.57:034:32
159.57:044:32
169.57:044:32
179.57:054:33
189.57:054:33
199.57:064:34
209.57:064:34
219.57:074:34
229.57:074:35
239.57:084:35
249.57:084:36
259.57:094:36
269.57:094:37
279.57:094:38
289.57:104:38
299.57:104:39
309.57:104:39
319.57:114:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.26 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 6.53 kWh/m² in June across the year — December's 2.26 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.2Moderate
92.2Moderate
102.2Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Is December a good time to visit Āq Qalā?

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

4.7
Sightseeing
8th-best month of the year
0.1
Beach & pool
10th-best month of the year

December is a reasonable time to visit Āq Qalā for sightseeing.

What to pack for Āq Qalā in December

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

In December, Āq Qalā sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Āq Qalā in December

The nearest coast averages about 15°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 53 km away) is warmest in August at about 29°C and coldest in February near 11°C.

It's comfortable for a long swim from May 13 to Nov 6 — about 5.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar12Bracing
Apr16Cool
May21Refreshing
Jun25Warm
Jul28Warm
Aug29Tropical
Sep27Warm
Oct23Refreshing
Nov19Cool
Dec15Bracing

UV index in Āq Qalā in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Āq Qalā peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 10Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May7Very high
Jun8Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Āq Qalā 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 Āq Qalā is worst in September — around 27 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1827 µg/m³Dec 2319 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar22Moderate
Apr25Moderate
May22Moderate
Jun20Moderate
Jul21Moderate
Aug22Moderate
Sep27Moderate
Oct24Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Āq Qalā?

Āq Qalā sits at 37.0°N, 54.5°E, -13 m above sea level, in Iran. The nearest listed city is Gorgān, 19 km away.

Topography around Āq Qalā

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

Within 3 km, the terrain around Āq Qalā has only modest variations in elevation — a maximum elevation change of 12 m around an average of -15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 104 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,905 m.

The land around Āq Qalā is covered by cropland (63%) and artificial surfaces (24%) within 3 km, cropland (89%) within 16 km, and bare terrain (28%) and cropland (24%) within 80 km.

3 km
12 m
16 km
104 m
80 km
3,905 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Gorgān 19 km · Sīmīn Shahr 20 km · Fāẕelābād 29 km · Gomīshān 34 km · Bandar-e Torkaman 36 km · 'Alī Ābād-e Katūl 38 km · Kord Kūy 39 km · Bandar-e Gaz 52 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 Āq Qalā (37.0139°, 54.455°, elevation -13 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).