Bandar-e Gaz weather in December

In December, Bandar-e Gaz sees average daytime highs of 11°C and overnight lows near 4°C, with 58 mm of precipitation across 8.8 wet days and about 9.5 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 47% 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 30 min by month's end. Set against the rest of the year, December is Bandar-e Gaz's 6th-clearest and 10th-windiest month. For the whole year in context, see Bandar-e Gaz's year-round climate.

Daytime high
11°
10th warmest
Overnight low
3rd coldest
Precipitation
58 mm
8.8 wet days
Daylight
9 h 30 min
7:06 AM – 4:35 PM
Cloud cover
46%
6th clearest
Wind
6 km/h
10th windiest
Solar energy
2.31 kWh/m²
Travel score
2.9
out of 10

Bandar-e Gaz 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

Day-to-day highs hold fairly steady near 11°C through the month.

A typical December day in Bandar-e Gaz reaches about 11°C in the afternoon and slips back to 4°C overnight — a 7°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 4°C cooler than November and about 2°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1126
2125
3125
4125
5125
6125
7115
8115
9115
10115
11115
12115
13114
14114
15114
16114
17114
18114
19114
20114
21114
22114
23114
24114
25114
26114
27114
28114
29114
30103
31103

Bandar-e Gaz weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 659.14.39.82.0
Feb10° / 7310.2510.62.1
Mar13° / 9313.2311.73.4
Apr17° / 11°9513.50.412.95.0
May21° / 15°8512.6013.96.3
Jun25° / 19°548.5014.57.3
Jul27° / 22°488.7014.37.0
Aug27° / 22°478.7013.47.1
Sep25° / 19°9310.8012.27.0
Oct21° / 14°969.70116.8
Nov15° / 929.90.9104.6
Dec11° / 588.829.52.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% 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 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35545
45446
55446
65446
75347
85347
95446
105446
115446
125545
135644
145743
155743
165941
175941
186040
196139
206238
216337
226436
236535
246535
256634
266634
276634
286634
296535
306535
316436

Chance of precipitation in December

Any precipitationSnow

Bandar-e Gaz gets around 58 mm of rain and snow over 8.8 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 29% and peaks near 35% on the wettest days, and about 2 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1356
2356
3356
4356
5346
6346
7346
8346
9336
10337
11327
12317
13317
14307
15307
16297
17287
18287
19277
20267
21257
22257
23247
24247
25237
26237
27237
28237
29247
30248
31248

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.

Across December, daily wind ranges from about 5 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
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 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 12 minutes over December. Sunrise moves from 6:54 AM to 7:12 AM, and sunset from 4:34 PM to 4:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:544:34
29.66:554:34
39.66:564:34
49.66:574:34
59.66:574:34
69.66:584:34
79.66:594:34
89.67:004:34
99.67:014:34
109.57:014:34
119.57:024:34
129.57:034:34
139.57:044:34
149.57:044:35
159.57:054:35
169.57:064:35
179.57:064:36
189.57:074:36
199.57:074:36
209.57:084:37
219.57:084:37
229.57:094:38
239.57:094:38
249.57:104:39
259.57:104:39
269.57:104:40
279.57:114:40
289.57:114:41
299.57:114:41
309.57:124:42
319.57:124:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.31 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 6.51 kWh/m² in June across the year — December's 2.31 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Is December a good time to visit Bandar-e Gaz?

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

2.9
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 Bandar-e Gaz.

What to pack for Bandar-e Gaz in December

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

In December, Bandar-e Gaz sees daytime highs around 11°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Bandar-e Gaz 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 31 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 16 to Nov 10 — about 5.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar12Bracing
Apr15Cool
May20Refreshing
Jun25Warm
Jul27Warm
Aug29Tropical
Sep27Warm
Oct24Refreshing
Nov19Cool
Dec15Cool

UV index in Bandar-e Gaz 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 Bandar-e Gaz peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 10Jan 12UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun8Very high
Jul10Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec3Moderate

Air quality in Bandar-e Gaz 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 Bandar-e Gaz is worst in September — around 29 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 2029 µg/m³Jul 1519 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb23Moderate
Mar25Moderate
Apr25Moderate
May22Moderate
Jun21Moderate
Jul19Moderate
Aug22Moderate
Sep29Moderate
Oct27Moderate
Nov25Moderate
Dec23Moderate
Location & terrain

Where is Bandar-e Gaz?

Bandar-e Gaz sits at 36.8°N, 53.9°E, -19 m above sea level, in Iran. The nearest listed city is Galūgāh, 13 km away.

Topography around Bandar-e Gaz

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bandar-e Gaz.

Within 3 km, the terrain around Bandar-e Gaz has only modest variations in elevation — a maximum elevation change of 37 m around an average of -18 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,192 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,905 m.

The land around Bandar-e Gaz is covered by cropland (41%) within 3 km, trees (32%), water (31%) and cropland (24%) within 16 km, and water (23%) within 80 km.

3 km
37 m
16 km
2,192 m
80 km
3,905 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Galūgāh 13 km · Kord Kūy 15 km · Bandar-e Torkaman 18 km · Gomīshān 35 km · Behshahr 36 km · Sīmīn Shahr 37 km · Gorgān 45 km · Āq Qalā 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 Bandar-e Gaz (36.7741°, 53.948°, elevation -19 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).