Khomām weather in December

In December, Khomām sees average daytime highs of 13°C and overnight lows near 10°C, with 117 mm of precipitation across 11.4 wet days and about 9.5 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 12°C by the end. The sky is clear or mostly clear about 38% 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 Khomām's 7th-clearest and 3rd-windiest month. For the whole year in context, see Khomām's year-round climate.

Daytime high
13°
9th warmest
Overnight low
10°
4th coldest
Precipitation
117 mm
11.4 wet days
Daylight
9 h 24 min
7:24 AM – 4:51 PM
Cloud cover
56%
7th clearest
Wind
13 km/h
3rd windiest
Solar energy
1.91 kWh/m²
Travel score
3.7
out of 10

Khomām is city in Gilan 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 14°C in the first days to 12°C by the end.

A typical December day in Khomām reaches about 13°C in the afternoon and slips back to 10°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 17°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11512
21512
31412
41412
51411
61411
71411
81411
91411
101411
111411
121411
131311
141311
151310
161310
171310
181310
191310
201310
211310
221310
231310
241310
251310
261310
271310
281310
291310
30129
31129

Khomām weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 10611.40.59.72.7
Feb10° / 9210.60.710.62.4
Mar12° / 7710.80.111.73.1
Apr15° / 12°497.6012.94.9
May20° / 17°244.90147.2
Jun25° / 22°294.7014.58.2
Jul28° / 25°385.7014.37.4
Aug28° / 25°527.8013.46.8
Sep25° / 23°13111.7012.36.8
Oct22° / 19°17213.60116.2
Nov17° / 14°17714.10.1104.9
Dec13° / 10°11711.40.29.53.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24456
34456
44456
54456
64357
74357
84555
94555
104555
114654
124654
134852
144951
155050
165149
175149
185248
195347
205347
215446
225545
235545
245644
255545
265644
275644
285644
295545
305545
315545

Chance of precipitation in December

Any precipitation

Khomām gets around 117 mm of rain and snow over 11.4 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 37% and peaks near 47% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
346
446
545
645
744
844
943
1042
1141
1241
1340
1439
1538
1637
1736
1835
1934
2033
2132
2231
2330
2430
2529
2628
2728
2828
2928
3029
3129

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
189101
289101
39190
49280
59370
69370
79460
89550
99640
109640
119730
129730
139820
149820
159910
169910
179910
189910
1910000
2010000
2110000
2210000
2310000
249910
259910
269910
279910
289910
299910
309910
319910

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

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 7:13 AM to 7:31 AM, and sunset from 4:49 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:134:49
29.67:144:49
39.67:154:49
49.67:154:49
59.57:164:49
69.57:174:49
79.57:184:49
89.57:194:49
99.57:204:49
109.57:204:49
119.57:214:49
129.57:224:50
139.57:224:50
149.47:234:50
159.47:244:50
169.47:244:51
179.47:254:51
189.47:264:51
199.47:264:52
209.47:274:52
219.47:274:52
229.47:284:53
239.47:284:53
249.47:294:54
259.47:294:54
269.47:294:55
279.47:304:56
289.47:304:56
299.47:304:57
309.47:314:58
319.57:314:58

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.91 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.91 kWh/m² to a high of 6.44 kWh/m² in June across the year — December's 1.91 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
131.9Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
191.9Dim
201.9Dim
211.9Dim
222.0Dim
232.0Dim
242.0Dim
252.0Moderate
262.0Moderate
272.0Moderate
282.0Moderate
292.0Moderate
302.0Moderate
312.0Moderate
Planning a trip in December

Hazard calendar for Khomām

In seasonPeak

In December, Khomām sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Khomām's rainy season runs September–February, when most of the year's rain falls.

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

Is December a good time to visit Khomām?

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

3.7
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Khomām.

What to pack for Khomām in December

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

In December, Khomām sees daytime highs around 13°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Khomām 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 26 km away) is warmest in August at about 28°C and coldest in February near 10°C.

It's comfortable for a long swim from May 22 to Nov 3 — about 5.5 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar11Bracing
Apr13Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Warm
Sep26Warm
Oct23Refreshing
Nov18Cool
Dec15Bracing

UV index in Khomām 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 Khomām peaks around July 18 at about 9 (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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 9Jan 12UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Khomām 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 Khomām is worst in March — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1826 µg/m³Jul 1315 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb21Moderate
Mar27Moderate
Apr23Moderate
May21Moderate
Jun17Moderate
Jul14Moderate
Aug20Moderate
Sep25Moderate
Oct23Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Khomām?

Khomām sits at 37.4°N, 49.7°E, -15 m above sea level, in Iran. The nearest listed city is Rasht, 14 km away.

Topography around Khomām

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

Within 3 km, the terrain around Khomām has only modest variations in elevation — a maximum elevation change of 22 m around an average of -18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 38 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,110 m.

The land around Khomām is covered by cropland (56%) within 3 km, cropland (45%) and water (22%) within 16 km, and water (45%) and trees (26%) within 80 km.

3 km
22 m
16 km
38 m
80 km
3,110 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Rasht 14 km · Bandar-e Anzalī 20 km · Āstāneh-ye Ashrafīyeh 29 km · Şowme‘eh Sarā 32 km · Sīāhkal 32 km · Fūman 36 km · Lāhījān 37 km · Māsāl 47 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 Khomām (37.3902°, 49.6585°, elevation -15 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).