Katālem va Sādāt Shahr in Winter

In winter (December, January and February), Katālem va Sādāt Shahr sees average daytime highs around 11°C and overnight lows near 9°C, with 477 mm of precipitation over about 48 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.

Over the season highs ease from about 14°C in early December to 11°C by late February. The sky is clear or mostly clear about 28% of the time across winter, and the air most often feels dry.

Winter is Katālem va Sādāt Shahr's weakest season of the year to visit on our travel score. For the whole year in context, see Katālem va Sādāt Shahr's year-round climate.

Avg daytime high
11°C
coldest season of the year
Avg overnight low
9°C
Precipitation
477 mm
48 wet days
Avg wind
13 km/h
Travel score
2.5
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Katālem va Sādāt Shahr in Winter

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 14°C in early December to 11°C by late February.

A typical winter day in Katālem va Sādāt Shahr reaches about 11°C and drops to 9°C overnight. The warmest of the three months is December, the coolest February.

10°15°20°DecJanFeb

Katālem va Sādāt 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 1631719.82.3
Feb10° / 13014.51.710.62.1
Mar12° / 10514.50.311.72.8
Apr15° / 13°7511.8012.94.5
May20° / 17°478.8013.96.6
Jun24° / 22°436.3014.58.0
Jul26° / 24°436.5014.37.8
Aug27° / 25°527.2013.47.5
Sep24° / 22°15012.5012.36.8
Oct21° / 19°24615.70115.8
Nov17° / 14°24317.20.2104.3
Dec13° / 11°18416.60.39.53.1

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitationSnow

Katālem va Sādāt Shahr gets around 477 mm of rain and snow over 48 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 13 km/h across winter.

05101520DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 h 42 min in early December to 11 h 06 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 2.3 kWh/m².

01234DecJanFeb
Planning a trip in winter

Hazard calendar for Katālem va Sādāt Shahr

In seasonPeak

In winter, Katālem va Sādāt Shahr overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Katālem va Sādāt Shahr's rainy season runs September–February, when most of the year's rain falls.

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

Is winter a good time to visit Katālem va Sādāt 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.

2.5
Sightseeing
4th-best month of the year
0.0
Beach & pool
4th-best month of the year

winter is a weaker month for outdoor sightseeing in Katālem va Sādāt Shahr.

What to pack for Katālem va Sādāt Shahr in Winter

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

In winter, Katālem va Sādāt Shahr sees daytime highs around 11°C and nights near 9°C. Pack a warm layer and rain gear. About 48 days see rain.

a warm layerrain gear

Sea temperature near Katālem va Sādāt Shahr in Winter

The nearest coast averages about 12°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 28°C and coldest in February near 11°C.

It's comfortable for a long swim from May 22 to Nov 5 — about 5.5 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar11Bracing
Apr14Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec15Bracing

UV index in Katālem va Sādāt Shahr in Winter

LowModerateHighVery highExtreme

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 Katālem va Sādāt Shahr peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 17UV 9Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May9Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec3Moderate

Air quality in Katālem va Sādāt Shahr in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in Katālem va Sādāt Shahr is worst in February — around 50 µg/m³ PM2.5 (poor), about 3.1× the cleanest month (July, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorFeb 1149 µg/m³Jul 1817 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb50Poor
Mar45Poor
Apr40Poor
May33Moderate
Jun21Moderate
Jul16Moderate
Aug20Moderate
Sep25Moderate
Oct30Moderate
Nov37Poor
Dec45Poor
Location & terrain

Where is Katālem va Sādāt Shahr?

Katālem va Sādāt Shahr sits at 36.9°N, 50.7°E, -9 m above sea level, in Iran. The nearest listed city is Rāmsar, 5.0 km away.

Topography around Katālem va Sādāt Shahr

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Katālem va Sādāt Shahr.

Within 3 km, the terrain around Katālem va Sādāt Shahr has significant variations in elevation — a maximum elevation change of 449 m around an average of 40 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,351 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,754 m.

The land around Katālem va Sādāt Shahr is covered by trees (47%) and water (22%) within 3 km, trees (52%) and water (42%) within 16 km, and water (44%), grassland (28%) and trees (21%) within 80 km.

3 km
449 m
16 km
2,351 m
80 km
4,754 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Winter weather nearby: Rāmsar 5.0 km · Tonekābon 18 km · Rūdsar 45 km · Amlash 51 km · Langarūd 59 km · Chālūs 70 km · Lāhījān 70 km · Nowshahr 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 Katālem va Sādāt Shahr (36.8888°, 50.6964°, elevation -9 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.