Sirjan weather in January

In January, Sirjan sees average daytime highs of 11°C and overnight lows near -0°C, with 36 mm of precipitation across 6 wet days and about 10.3 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 62% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of January to 10 h 36 min by month's end. Set against the rest of the year, January is Sirjan's 10th-clearest and 7th-windiest month. For the whole year in context, see Sirjan's year-round climate.

Daytime high
11°
12th warmest
Overnight low
-0°
1st coldest
Precipitation
36 mm
6 wet days
Daylight
10 h 18 min
6:47 AM – 5:06 PM
Cloud cover
34%
10th clearest
Wind
11 km/h
7th windiest
Solar energy
3.97 kWh/m²
Travel score
3.1
out of 10

Sirjan is city in Kerman 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 11°C through the month.

A typical January day in Sirjan reaches about 11°C in the afternoon and slips back to -0°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 15°C. Set against its neighbours, January runs about 2°C cooler than December and about 2°C cooler than February.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1120
2120
3120
4110
5110
6110
7110
8110
9110
10110
11110
12100
13100
14100
1510-1
1610-1
1710-1
1810-1
1910-1
2010-1
2110-1
2210-1
23100
24100
25110
26110
27110
28110
29110
30110
31110

How January really feels in Sirjan

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.

Sirjan weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / -0°366210.33.1
Feb13° / 405.71.110.94.3
Mar17° / 366.40.111.86.2
Apr22° / 10°143.2012.78.1
May28° / 16°31013.57.6
Jun33° / 20°10.1013.94.8
Jul34° / 22°10.3013.73.7
Aug33° / 20°20.7013.14.7
Sep30° / 16°00012.27.0
Oct24° / 11°20.3011.39.3
Nov18° / 112.20.110.57.1
Dec13° / 263.50.610.14.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27624
37525
47426
57426
67327
77228
87228
97228
107129
117129
127129
137228
147228
157327
167426
177525
187525
197624
207723
217822
227723
237822
247822
257822
267822
277822
287822
297822
307822
317822

Chance of precipitation in January

Any precipitationSnow

Sirjan gets around 36 mm of rain and snow over 6 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 20% and peaks near 23% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1133
2143
3154
4164
5174
6185
7195
8206
9206
10216
11217
12227
13227
14227
15237
16238
17238
18228
19228
20218
21217
22207
23207
24207
25197
26196
27196
28196
29186
30186
31185

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 11 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 06 min at the start of January to 10 h 36 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 6:46 AM to 6:43 AM, and sunset from 4:55 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.16:464:55
210.16:464:55
310.26:474:56
410.26:474:57
510.26:474:57
610.26:474:58
710.26:474:59
810.26:475:00
910.26:485:00
1010.26:485:01
1110.26:485:02
1210.26:485:03
1310.36:485:03
1410.36:485:04
1510.36:485:05
1610.36:475:06
1710.36:475:06
1810.36:475:07
1910.46:475:08
2010.46:475:09
2110.46:475:10
2210.46:465:11
2310.46:465:11
2410.46:465:12
2510.56:465:13
2610.56:455:14
2710.56:455:15
2810.56:445:16
2910.56:445:16
3010.66:445:17
3110.66:435:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.97 kWh/m².

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 7.96 kWh/m² in June across the year — January's 3.97 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
174.0Moderate
184.0Moderate
194.0Bright
204.0Bright
214.1Bright
224.1Bright
234.2Bright
244.2Bright
254.2Bright
264.3Bright
274.3Bright
284.4Bright
294.4Bright
304.4Bright
314.5Bright
Planning a trip in January

Is January a good time to visit Sirjan?

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

3.1
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Sirjan.

What to pack for Sirjan in January

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

In January, Sirjan sees daytime highs around 11°C and nights near -0°C. Pack a warm layer. About 6 days see rain.

a warm layer

UV index in Sirjan 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 Sirjan peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighModerateJun 18UV 12Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb7Very high
Mar9Very high
Apr8Very high
May11Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Extreme
Oct8Very high
Nov5High
Dec4Moderate

Air quality in Sirjan 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 Sirjan is worst in April — around 35 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2134 µg/m³Nov 2016 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb25Moderate
Mar29Moderate
Apr35Moderate
May33Moderate
Jun27Moderate
Jul34Moderate
Aug27Moderate
Sep25Moderate
Oct21Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Sirjan?

Sirjan sits at 29.5°N, 55.7°E, 1,744 m above sea level, in Iran. The nearest listed city is Najafshahr, 8.0 km away.

RafsanjānḨājjīābādNeyrīzDārāb

Topography around Sirjan

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

Within 3 km, the terrain around Sirjan has only modest variations in elevation — a maximum elevation change of 48 m around an average of 1,743 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 467 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,192 m.

The land around Sirjan is covered by artificial surfaces (69%) and bare terrain (23%) within 3 km, bare terrain (77%) within 16 km, and bare terrain (88%) within 80 km.

3 km
48 m
16 km
467 m
80 km
2,192 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Najafshahr 8.0 km · Shahr-e Bābak 92 km · Bāft 93 km · Bardsīr 101 km · Rafsanjān 110 km · Ḩājjīābād 129 km · Neyrīz 134 km · Dārāb 135 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 Sirjan (29.4514°, 55.6809°, elevation 1,744 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).