Zanjan weather in January

In January, Zanjan sees average daytime highs of 2°C and overnight lows near -7°C, with 43 mm of precipitation across 8.9 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 2°C through the month. The sky is clear or mostly clear about 38% 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 Zanjan's 9th-clearest and 10th-windiest month. For the whole year in context, see Zanjan's year-round climate.

Daytime high
12th warmest
Overnight low
-7°
1st coldest
Precipitation
43 mm
8.9 wet days
Daylight
9 h 42 min
7:33 AM – 5:18 PM
Cloud cover
52%
9th clearest
Wind
8 km/h
10th windiest
Solar energy
2.96 kWh/m²
Travel score
0.0
out of 10

Zanjan is city in Zanjan Province, Iran.

Air quality
Elevated
PM2.5 17.5 µg/m³ · 2020

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 2°C through the month.

A typical January day in Zanjan reaches about 2°C in the afternoon and slips back to -7°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -4°C and 8°C. Set against its neighbours, January runs about 2°C cooler than December and about 2°C cooler than February.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
13-6
23-6
33-6
43-6
53-6
63-6
73-6
83-6
92-6
102-7
112-7
122-7
132-7
142-7
152-7
162-7
172-7
182-7
192-8
202-8
212-8
222-8
232-8
242-8
252-8
262-8
272-8
282-8
292-8
302-7
312-7

How January really feels in Zanjan

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
26 feel bitter (≤ -10°C)

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

Zanjan 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
Jan / -7°438.98.59.80.0
Feb / -6°539.98.110.60.2
Mar10° / -1°6812.76.811.72.2
Apr16° / 7613.31.512.94.5
May21° / 5812.50.113.96.4
Jun26° / 12°174.7014.58.0
Jul29° / 14°102.8014.37.4
Aug29° / 14°62.1013.47.2
Sep25° / 11°82.2012.28.6
Oct19° / 356.60.411.16.8
Nov10° / 558.83.6102.5
Dec / -4°407.86.59.50.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35644
45644
55644
65644
75644
85644
95644
105545
115545
125644
135644
145644
155545
165545
175545
185545
195446
205446
215446
225347
235347
245446
255446
265347
275446
285446
295545
305545
315545

Chance of precipitation in January

Any precipitationSnow

Zanjan gets around 43 mm of rain and snow over 8.9 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 28% and peaks near 31% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12423
22523
32624
42625
52726
62726
72827
82827
92827
102827
112827
122827
132827
142727
152726
162726
172626
182626
192626
202726
212726
222827
232827
242928
252928
263029
273029
283129
293129
303129
313129

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 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:33 AM to 7:26 AM, and sunset from 5:05 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:335:05
29.57:335:06
39.67:345:07
49.67:345:07
59.67:345:08
69.67:345:09
79.67:345:10
89.67:345:11
99.67:345:11
109.67:345:12
119.77:345:13
129.77:345:14
139.77:335:15
149.77:335:16
159.77:335:17
169.77:335:18
179.87:335:19
189.87:325:20
199.87:325:21
209.87:325:22
219.97:315:23
229.97:315:24
239.97:305:25
249.97:305:26
2510.07:295:27
2610.07:295:28
2710.07:285:29
2810.07:285:30
2910.17:275:31
3010.17:265:32
3110.17:265:33

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.96 kWh/m².

For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 7.34 kWh/m² in June across the year — January's 2.96 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.8Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.9Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.1Moderate
213.1Moderate
223.1Moderate
233.2Moderate
243.2Moderate
253.2Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.4Moderate
313.4Moderate
Planning a trip in January

Is January a good time to visit Zanjan?

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

0.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Zanjan.

What to pack for Zanjan in January

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

In January, Zanjan sees daytime highs around 2°C and nights near -7°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Zanjan in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Zanjan peaks around July 18 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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 18UV 11Jan 13UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct5High
Nov3Moderate
Dec4Moderate

Air quality in Zanjan 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 Zanjan is worst in April — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Zanjan's WHO annual average of 17.5 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1724 µg/m³Jul 2214 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar23Moderate
Apr25Moderate
May23Moderate
Jun17Moderate
Jul13Moderate
Aug14Moderate
Sep15Moderate
Oct16Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Zanjan?

Zanjan sits at 36.7°N, 48.5°E, 1,666 m above sea level, in Iran. The nearest listed city is Qīdar, 63 km away.

Şowme‘eh Sarā

Topography around Zanjan

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

Within 3 km, the terrain around Zanjan has only modest variations in elevation — a maximum elevation change of 175 m around an average of 1,672 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,155 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,101 m.

The land around Zanjan is covered by artificial surfaces (73%) within 3 km, grassland (51%) and cropland (30%) within 16 km, and grassland (53%) and cropland (36%) within 80 km.

3 km
175 m
16 km
1,155 m
80 km
3,101 m
treesgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Qīdar 63 km · Manjīl 81 km · Khorramdarreh 81 km · Pādegān-e Manjīl 82 km · Abhar 87 km · Fūman 95 km · Māsāl 95 km · Şowme‘eh Sarā 101 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 Zanjan (36.6764°, 48.4963°, elevation 1,666 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).