Hamadan weather in January

In January, Hamadan sees average daytime highs of 2°C and overnight lows near -6°C, with 48 mm of precipitation across 8.8 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 4°C in the first days to 2°C by the end. The sky is clear or mostly clear about 43% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Hamadan's 10th-clearest and 12th-windiest month. For the whole year in context, see Hamadan's year-round climate.

Daytime high
12th warmest
Overnight low
-6°
1st coldest
Precipitation
48 mm
8.8 wet days
Daylight
9 h 54 min
7:28 AM – 5:22 PM
Cloud cover
48%
10th clearest
Wind
6 km/h
12th windiest
Solar energy
3.36 kWh/m²
Travel score
0.0
out of 10

Hamadan is city in Hamadan Province, Iran.

Air quality
High
PM2.5 26.7 µg/m³ · 2016

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 4°C in the first days to 2°C by the end.

A typical January day in Hamadan reaches about 2°C in the afternoon and slips back to -6°C overnight — a 8°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 3°C cooler than December and about 2°C cooler than February.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
14-4
24-4
34-5
43-5
53-5
63-5
73-5
83-5
93-5
102-6
112-6
122-6
132-6
142-6
152-6
162-6
172-6
182-6
192-6
202-6
212-6
222-6
232-6
242-6
252-6
262-6
272-6
282-6
292-6
302-6
312-6

How January really feels in Hamadan

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
wind chill below the day's low

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

Hamadan 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 / -6°488.88.49.90.0
Feb / -4°559.78.610.70.2
Mar10° / 77126.311.72.2
Apr16° / 6913.41.212.84.6
May22° / 10°399.4013.87.1
Jun29° / 15°51.5014.36.9
Jul33° / 19°20.5014.14.4
Aug33° / 18°10.6013.34.8
Sep28° / 13°20.7012.27.9
Oct20° / 265.8011.17.5
Nov11° / 508.32.210.23.1
Dec / -3°487.86.19.70.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
35941
45941
55941
65941
75941
86040
96040
106040
116139
126238
136238
146337
156337
166337
176238
186238
196238
206238
216238
226139
236139
246139
256040
266040
276040
286040
295941
305941
315941

Chance of precipitation in January

Any precipitationSnow

Hamadan gets around 48 mm of rain and snow over 8.8 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 34% on the wettest days, and about 8 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12422
22522
32523
42623
52624
62624
72725
82725
92725
102725
112726
122626
132626
142626
152626
162626
172626
182626
192626
202727
212827
222828
232928
243029
253130
263130
273231
283231
293332
303432
313433

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 6 km/h in January, the calmest month.

Across January, 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
135calm
145calm
155calm
165calm
175calm
185calm
195calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 42 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:28 AM to 7:22 AM, and sunset from 5:10 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:285:10
29.77:285:11
39.77:285:12
49.77:295:12
59.77:295:13
69.87:295:14
79.87:295:15
89.87:295:15
99.87:295:16
109.87:295:17
119.87:295:18
129.87:295:19
139.97:295:20
149.97:285:21
159.97:285:21
169.97:285:22
179.97:285:23
189.97:285:24
1910.07:275:25
2010.07:275:26
2110.07:275:27
2210.07:265:28
2310.07:265:29
2410.17:265:30
2510.17:255:31
2610.17:255:32
2710.17:245:33
2810.27:245:34
2910.27:235:35
3010.27:225:36
3110.27:225:37

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.36 kWh/m².

For context, solar energy here swings from a low near 2.89 kWh/m² to a high of 7.92 kWh/m² in June across the year — January's 3.36 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.8Moderate
303.8Moderate
313.9Moderate
Planning a trip in January

Is January a good time to visit Hamadan?

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 Hamadan.

What to pack for Hamadan in January

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

In January, Hamadan sees daytime highs around 2°C and nights near -6°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 Hamadan in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hamadan peaks around July 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 18UV 12Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May10Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Hamadan 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 Hamadan is worst in April — around 35 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (August, 22 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Hamadan's WHO annual average of 26.7 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateApr 2035 µg/m³Aug 1922 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb26Moderate
Mar31Moderate
Apr35Poor
May34Moderate
Jun26Moderate
Jul27Moderate
Aug22Moderate
Sep25Moderate
Oct25Moderate
Nov23Moderate
Dec23Moderate
Location & terrain

Where is Hamadan?

Hamadan sits at 34.8°N, 48.5°E, 1,820 m above sea level, in Iran. The nearest listed city is Bahār, 14 km away.

Topography around Hamadan

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

Within 3 km, the terrain around Hamadan has only modest variations in elevation — a maximum elevation change of 184 m around an average of 1,829 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,861 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,193 m.

The land around Hamadan is covered by artificial surfaces (80%) within 3 km, grassland (41%) and cropland (29%) within 16 km, and cropland (56%) and grassland (29%) within 80 km.

3 km
184 m
16 km
1,861 m
80 km
2,193 m
treesgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Bahār 14 km · Tūyserkān 28 km · Asadābād 36 km · Kabūdarāhang 49 km · Kangāvar 60 km · Malāyer 62 km · Nahāvand 69 km · Qorveh 76 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 Hamadan (34.7992°, 48.5146°, elevation 1,820 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).