Darreh Shahr in Winter
In winter (December, January and February), Darreh Shahr sees average daytime highs around 12°C and overnight lows near 2°C, with 259 mm of precipitation over about 28 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 44% of the time across winter, and the air most often feels dry.
Winter is Darreh Shahr's 3rd-best season to visit on our travel score. For the whole year in context, see Darreh Shahr's year-round climate.
- Avg daytime high
- 12°C
- coldest season of the year
- Avg overnight low
- 2°C
- Precipitation
- 259 mm
- 28 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.3
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Darreh Shahr in Winter
Across winter, daytime highs hold fairly steady around 12°C.
A typical winter day in Darreh Shahr reaches about 12°C and drops to 2°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Darreh Shahr
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 44 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Darreh Shahr 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° / 1° | 93 | 9.6 | 2.3 | 10.1 | 2.6 |
| Feb | 13° / 2° | 79 | 9.4 | 1 | 10.8 | 3.6 |
| Mar | 17° / 5° | 92 | 8.7 | 0.1 | 11.7 | 5.7 |
| Apr | 22° / 10° | 68 | 7.6 | 0 | 12.8 | 7.3 |
| May | 29° / 14° | 16 | 3.2 | 0 | 13.7 | 6.6 |
| Jun | 36° / 18° | 0 | 0.1 | 0 | 14.1 | 2.9 |
| Jul | 39° / 21° | 0 | 0 | 0 | 14 | 0.8 |
| Aug | 39° / 20° | 0 | 0 | 0 | 13.2 | 1.0 |
| Sep | 34° / 16° | 1 | 0.1 | 0 | 12.2 | 4.1 |
| Oct | 27° / 11° | 27 | 3.1 | 0 | 11.2 | 7.7 |
| Nov | 18° / 6° | 73 | 7.2 | 0 | 10.3 | 6.3 |
| Dec | 13° / 2° | 87 | 8.5 | 0.6 | 9.8 | 3.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 44% of the time across winter.
Chance of precipitation in Winter
Darreh Shahr gets around 259 mm of rain and snow over 28 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 6 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 hours in early December to 11 h 12 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 3.3 kWh/m².
Hazard calendar for Darreh Shahr
In winter, Darreh Shahr overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Darreh Shahr's rainy season runs November–April, when most of the year's rain falls.
Darreh Shahr sees seasonal dust haze (March–May), heaviest in May.
Is winter a good time to visit Darreh Shahr?
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 weaker month for outdoor sightseeing in Darreh Shahr.
What to pack for Darreh Shahr in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Darreh Shahr sees daytime highs around 12°C and nights near 2°C. Pack a warm layer. Worth having: rain gear. About 28 days see rain.
UV index in Darreh Shahr in Winter
Clear-sky midday UV across winter averages 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 Darreh Shahr peaks around June 17 at about 10 (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 — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 7 | 10 | 11 | 10 | 10 | 7 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | High | Very high | Extreme | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | High |
| Apr | 7 | High |
| May | 10 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 7 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Darreh Shahr 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 Darreh Shahr is worst in April — around 42 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (November, 26 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) | 27 | 32 | 39 | 42 | 41 | 35 | 35 | 33 | 32 | 30 | 26 | 26 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 27 | Moderate |
| Feb | 32 | Moderate |
| Mar | 39 | Poor |
| Apr | 42 | Poor |
| May | 41 | Poor |
| Jun | 35 | Poor |
| Jul | 35 | Poor |
| Aug | 33 | Moderate |
| Sep | 32 | Moderate |
| Oct | 30 | Moderate |
| Nov | 26 | Moderate |
| Dec | 26 | Moderate |
Where is Darreh Shahr?
Darreh Shahr sits at 33.1°N, 47.4°E, 667 m above sea level, in Iran. The nearest listed city is Ābdānān, 17 km away.
Topography around Darreh Shahr
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Darreh Shahr.
Within 3 km, the terrain around Darreh Shahr has significant variations in elevation — a maximum elevation change of 318 m around an average of 686 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,666 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,732 m.
The land around Darreh Shahr is covered by cropland (42%) and grassland (39%) within 3 km, grassland (62%) and cropland (22%) within 16 km, and grassland (63%) and bare terrain (21%) 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 Darreh Shahr (33.1445°, 47.3799°, elevation 667 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.