Yasuj weather in January

In January, Yasuj sees average daytime highs of 4°C and overnight lows near -8°C, with 169 mm of precipitation across 10.6 wet days and about 10.2 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 4°C through the month. The sky is clear or mostly clear about 48% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of January to 10 h 30 min by month's end. Set against the rest of the year, January is Yasuj's 12th-clearest and 9th-windiest month. For the whole year in context, see Yasuj's year-round climate.

Daytime high
12th warmest
Overnight low
-8°
1st coldest
Precipitation
169 mm
10.6 wet days
Daylight
10 h 12 min
7:06 AM – 5:19 PM
Cloud cover
48%
12th clearest
Wind
5 km/h
9th windiest
Solar energy
3.59 kWh/m²
Travel score
0.0
out of 10

Yasuj is city in Kohgiluyeh and Boyer-Ahmad Province, Iran.

Air quality
Elevated
PM2.5 17.9 µg/m³ · 2019

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 4°C through the month.

A typical January day in Yasuj reaches about 4°C in the afternoon and slips back to -8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 8°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
15-6
25-6
35-7
45-7
55-7
64-7
74-7
84-7
94-7
104-7
114-8
123-8
133-8
143-8
153-8
163-8
173-8
183-8
193-8
203-8
213-8
223-8
233-8
243-8
253-8
263-8
273-8
283-8
293-7
304-7
314-7

How January really feels in Yasuj

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
23 feel bitter (≤ -10°C)

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

Yasuj weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -8°16910.69.710.20.0
Feb / -6°14510.38.610.90.2
Mar / -2°14610.54.811.81.9
Apr15° / 7590.512.74.9
May21° / 173.7013.58.1
Jun28° / 12°10.4013.98.4
Jul30° / 14°10.5013.86.4
Aug30° / 13°00.2013.16.8
Sep26° / 10°10.2012.29.0
Oct20° / 101.9011.28.3
Nov12° / -0°786.41.710.43.9
Dec / -5°1338.16.410.10.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26436
36337
46337
56238
66238
76238
86238
96238
106238
116238
126238
136238
146238
156238
166337
176238
186337
196337
206337
216337
226337
236337
246238
256337
266337
276337
286337
296436
306436
316436

Chance of precipitation in January

Any precipitationSnow

Yasuj gets around 169 mm of rain and snow over 10.6 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 35% on the wettest days, and about 10 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
12725
22826
32927
43028
53129
63230
73330
83431
93431
103432
113432
123432
133432
143433
153432
163432
173432
183432
193431
203331
213331
223431
233431
243431
253431
263531
273531
283531
293531
303531
313531

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 5 km/h in January.

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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 hours at the start of January to 10 h 30 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 7:05 AM to 7:02 AM, and sunset from 5:08 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:055:08
210.17:065:09
310.17:065:10
410.17:065:10
510.17:065:11
610.17:065:12
710.17:065:12
810.17:075:13
910.17:075:14
1010.17:075:15
1110.17:075:15
1210.27:075:16
1310.27:075:17
1410.27:075:18
1510.27:075:19
1610.27:065:19
1710.27:065:20
1810.27:065:21
1910.37:065:22
2010.37:065:23
2110.37:055:24
2210.37:055:24
2310.37:055:25
2410.47:055:26
2510.47:045:27
2610.47:045:28
2710.47:045:29
2810.47:035:30
2910.57:035:31
3010.57:025:31
3110.57:025:32

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.59 kWh/m².

For context, solar energy here swings from a low near 3.43 kWh/m² to a high of 8.03 kWh/m² in June across the year — January's 3.59 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.9Moderate
263.9Moderate
273.9Moderate
284.0Moderate
294.0Bright
304.0Bright
314.1Bright
Planning a trip in January

Hazard calendar for Yasuj

In seasonPeak

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

Yasuj's rainy season runs November–March, when most of the year's rain falls.

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

Is January a good time to visit Yasuj?

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
9th-best month of the year

January is a weaker month for outdoor sightseeing in Yasuj.

What to pack for Yasuj in January

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

In January, Yasuj sees daytime highs around 4°C and nights near -8°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

UV index in Yasuj in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yasuj peaks around July 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 18UV 13Jan 13UV 4
UV index (midday)Level
Jan4Moderate
Feb7High
Mar8Very high
Apr8Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug12Extreme
Sep10Very high
Oct8Very high
Nov5High
Dec5Moderate

Air quality in Yasuj 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 Yasuj is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Yasuj's WHO annual average of 17.9 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1826 µg/m³Dec 1112 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr26Moderate
May25Moderate
Jun17Moderate
Jul19Moderate
Aug15Moderate
Sep15Moderate
Oct16Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Yasuj?

Yasuj sits at 30.7°N, 51.6°E, 1,841 m above sea level, in Iran. The nearest listed city is Mādavān, 7.0 km away.

Eqlīd

Topography around Yasuj

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

Within 3 km, the terrain around Yasuj has significant variations in elevation — a maximum elevation change of 450 m around an average of 1,858 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,599 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,851 m.

The land around Yasuj is covered by artificial surfaces (49%) within 3 km, grassland (35%), shrubs (23%) and bare terrain (21%) within 16 km, and grassland (51%) and bare terrain (23%) within 80 km.

3 km
450 m
16 km
2,599 m
80 km
3,851 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Mādavān 7.0 km · Nūrābād 62 km · Charām 81 km · Dogonbadan 83 km · Semīrom 83 km · Qā’emīyeh 91 km · Dehdasht 99 km · Eqlīd 109 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 Yasuj (30.6682°, 51.588°, elevation 1,841 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).