Sirjan in Winter
In winter (December, January and February), Sirjan sees average daytime highs around 12°C and overnight lows near 1°C, with 102 mm of precipitation over about 15 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 12°C. The sky is clear or mostly clear about 65% of the time across winter, and the air most often feels dry.
Winter is Sirjan's weakest season of the year to visit on our travel score. For the whole year in context, see Sirjan's year-round climate.
- Avg daytime high
- 12°C
- coldest season of the year
- Avg overnight low
- 1°C
- Precipitation
- 102 mm
- 15 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Sirjan in Winter
Across winter, daytime highs hold fairly steady around 12°C.
A typical winter day in Sirjan reaches about 12°C and drops to 1°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Sirjan
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 90 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Sirjan weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 11° / -0° | 36 | 6 | 2 | 10.3 | 3.1 |
| Feb | 13° / 2° | 40 | 5.7 | 1.1 | 10.9 | 4.3 |
| Mar | 17° / 5° | 36 | 6.4 | 0.1 | 11.8 | 6.2 |
| Apr | 22° / 10° | 14 | 3.2 | 0 | 12.7 | 8.1 |
| May | 28° / 16° | 3 | 1 | 0 | 13.5 | 7.6 |
| Jun | 33° / 20° | 1 | 0.1 | 0 | 13.9 | 4.8 |
| Jul | 34° / 22° | 1 | 0.3 | 0 | 13.7 | 3.7 |
| Aug | 33° / 20° | 2 | 0.7 | 0 | 13.1 | 4.7 |
| Sep | 30° / 16° | 0 | 0 | 0 | 12.2 | 7.0 |
| Oct | 24° / 11° | 2 | 0.3 | 0 | 11.3 | 9.3 |
| Nov | 18° / 5° | 11 | 2.2 | 0.1 | 10.5 | 7.1 |
| Dec | 13° / 1° | 26 | 3.5 | 0.6 | 10.1 | 4.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 65% of the time across winter.
Chance of precipitation in Winter
Sirjan gets around 102 mm of rain and snow over 15 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 11 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 12 min in early December to 11 h 18 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.2 kWh/m².
Is winter a good time to visit Sirjan?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Sirjan for sightseeing.
What to pack for Sirjan in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Sirjan sees daytime highs around 12°C and nights near 1°C. Pack a warm layer. Worth having: sun protection. About 15 days see rain.
UV index in Sirjan in Winter
Clear-sky midday UV across winter averages around 5 — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 7 | 9 | 8 | 11 | 12 | 11 | 11 | 10 | 8 | 5 | 4 |
| Level | Moderate | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 7 | Very high |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 8 | Very high |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Air quality in Sirjan in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 19 | 25 | 29 | 35 | 33 | 27 | 34 | 27 | 25 | 21 | 15 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 19 | Moderate |
| Feb | 25 | Moderate |
| Mar | 29 | Moderate |
| Apr | 35 | Moderate |
| May | 33 | Moderate |
| Jun | 27 | Moderate |
| Jul | 34 | Moderate |
| Aug | 27 | Moderate |
| Sep | 25 | Moderate |
| Oct | 21 | Moderate |
| Nov | 15 | Moderate |
| Dec | 17 | Moderate |
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.
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.
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
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.