Lāhījān weather in January

In January, Lāhījān sees average daytime highs of 12°C and overnight lows near 4°C, with 116 mm of precipitation across 12 wet days and about 9.7 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 35% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Lāhījān's 6th-clearest and 6th-windiest month. For the whole year in context, see Lāhījān's year-round climate.

Daytime high
12°
12th warmest
Overnight low
1st coldest
Precipitation
116 mm
12 wet days
Daylight
9 h 42 min
7:28 AM – 5:10 PM
Cloud cover
58%
6th clearest
Wind
7 km/h
6th windiest
Solar energy
2.44 kWh/m²
Travel score
2.9
out of 10

Lāhījān is city in Gilan Province, Iran.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 12°C through the month.

A typical January day in Lāhījān reaches about 12°C in the afternoon and slips back to 4°C overnight — a 8°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, January runs about 2°C cooler than December and on par with February.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1135
2135
3134
4124
5124
6124
7124
8124
9124
10124
11124
12124
13124
14114
15114
16113
17113
18113
19113
20113
21113
22113
23113
24113
25113
26113
27113
28113
29113
30113
31113

How January really feels in Lāhījān

Once humidity and wind are folded in, January 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

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

Lāhījān weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 116121.69.72.9
Feb12° / 12112.32.210.62.9
Mar15° / 11513.30.411.74.1
Apr19° / 10°8110.5012.95.8
May23° / 15°508.50147.0
Jun27° / 19°648.4014.56.7
Jul29° / 22°729.9014.35.5
Aug30° / 22°8411.7013.45.2
Sep26° / 19°15814.1012.36.0
Oct22° / 15°17414.30116.1
Nov17° / 10°16813.60.2104.9
Dec13° / 12411.50.79.53.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
34951
44951
54951
64852
74753
84753
94753
104753
114753
124753
134555
144555
154555
164456
174456
184357
194456
204555
214456
224357
234456
244456
254456
264555
274555
284555
294555
304654
314654

Chance of precipitation in January

Any precipitationSnow

Lāhījān gets around 116 mm of rain and snow over 12 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 41% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1313
2323
3334
4344
5344
6354
7364
8375
9385
10385
11395
12395
13395
14395
15405
16405
17405
18405
19405
20405
21406
22406
23406
24406
25406
26407
27407
28418
29418
30418
31419

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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 January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:29 AM to 7:21 AM, and sunset from 4:58 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:294:58
29.57:294:58
39.57:294:59
49.57:295:00
59.57:295:01
69.57:295:01
79.57:295:02
89.67:295:03
99.67:295:04
109.67:295:05
119.67:295:06
129.67:295:07
139.67:295:08
149.77:295:08
159.77:285:09
169.77:285:10
179.77:285:11
189.77:285:12
199.87:275:13
209.87:275:14
219.87:265:15
229.87:265:16
239.97:265:17
249.97:255:18
259.97:255:19
269.97:245:21
2710.07:235:22
2810.07:235:23
2910.07:225:24
3010.17:215:25
3110.17:215:26

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.44 kWh/m².

For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 6.42 kWh/m² in June across the year — January's 2.44 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
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in January

Hazard calendar for Lāhījān

In seasonPeak

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

Lāhījān sees seasonal dust haze (May), heaviest in May.

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

Is January a good time to visit Lāhījān?

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

2.9
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Lāhījān.

What to pack for Lāhījān in January

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

In January, Lāhījān sees daytime highs around 12°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Lāhījān in January

The nearest coast averages about 12°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 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 24 to Nov 4 — about 5.4 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
Nov19Cool
Dec15Bracing

UV index in Lāhījān in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Lāhījān peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 17UV 9Jan 11UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Lāhījān in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Lāhījān is worst in September — around 30 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 2129 µg/m³Jul 1115 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar26Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul15Moderate
Aug21Moderate
Sep30Moderate
Oct28Moderate
Nov22Moderate
Dec18Moderate
Location & terrain

Where is Lāhījān?

Lāhījān sits at 37.2°N, 50.0°E, 4 m above sea level, in Iran. The nearest listed city is Āstāneh-ye Ashrafīyeh, 9.0 km away.

Topography around Lāhījān

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

Within 3 km, the terrain around Lāhījān has significant variations in elevation — a maximum elevation change of 344 m around an average of 18 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,110 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,710 m.

The land around Lāhījān is covered by artificial surfaces (36%) and trees (34%) within 3 km, cropland (45%) and trees (43%) within 16 km, and water (43%) and trees (23%) within 80 km.

3 km
344 m
16 km
1,110 m
80 km
3,710 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Āstāneh-ye Ashrafīyeh 9.0 km · Langarūd 13 km · Sīāhkal 13 km · Amlash 20 km · Rūdsar 26 km · Khomām 37 km · Rasht 38 km · Bandar-e Anzalī 57 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 Lāhījān (37.2042°, 50.0092°, elevation 4 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).