Rūdsar in Winter
In winter (December, January and February), Rūdsar sees average daytime highs around 12°C and overnight lows near 8°C, with 376 mm of precipitation over about 39 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 33% of the time across winter, and the air most often feels dry.
Winter is Rūdsar's weakest season of the year to visit on our travel score. For the whole year in context, see Rūdsar's year-round climate.
- Avg daytime high
- 12°C
- coldest season of the year
- Avg overnight low
- 8°C
- Precipitation
- 376 mm
- 39 wet days
- Avg wind
- 11 km/h
- Travel score
- 2.9
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Rūdsar in Winter
Over the season highs ease from about 14°C in early December to 11°C by late February.
A typical winter day in Rūdsar reaches about 12°C and drops to 8°C overnight. The warmest of the three months is December, the coolest February.
Rūdsar 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° / 8° | 123 | 13 | 1.2 | 9.7 | 2.7 |
| Feb | 11° / 7° | 116 | 12.5 | 1.6 | 10.6 | 2.4 |
| Mar | 13° / 9° | 106 | 13.5 | 0.4 | 11.7 | 3.3 |
| Apr | 16° / 12° | 74 | 10.6 | 0 | 12.9 | 5.0 |
| May | 21° / 17° | 41 | 7.7 | 0 | 14 | 6.9 |
| Jun | 25° / 22° | 46 | 6.6 | 0 | 14.5 | 7.8 |
| Jul | 28° / 24° | 49 | 7.1 | 0 | 14.3 | 7.1 |
| Aug | 28° / 25° | 60 | 8.8 | 0 | 13.4 | 6.6 |
| Sep | 25° / 22° | 145 | 12.8 | 0 | 12.3 | 6.6 |
| Oct | 22° / 18° | 189 | 14.8 | 0 | 11 | 6.0 |
| Nov | 17° / 14° | 186 | 14.5 | 0.2 | 10 | 4.8 |
| Dec | 13° / 10° | 136 | 13 | 0.5 | 9.5 | 3.5 |
Cloud cover in Winter
The sky is clear or mostly clear about 33% of the time across winter.
Chance of precipitation in Winter
Rūdsar gets around 376 mm of rain and snow over 39 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 9 h 36 min in early December to 11 h 06 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 2.5 kWh/m².
Hazard calendar for Rūdsar
In winter, Rūdsar overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Rūdsar's rainy season runs September–March, when most of the year's rain falls.
Rūdsar sees seasonal dust haze (May), heaviest in May.
Is winter a good time to visit Rūdsar?
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 Rūdsar.
What to pack for Rūdsar in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Rūdsar sees daytime highs around 12°C and nights near 8°C. Pack a warm layer. Worth having: rain gear. About 39 days see rain.
Sea temperature near Rūdsar 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 offshore is warmest in August at about 28°C and coldest in February near 10°C.
It's comfortable for a long swim from May 24 to Nov 5 — about 5.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 10 | 11 | 13 | 19 | 24 | 27 | 28 | 26 | 23 | 19 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Warm | Warm | Warm | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 10 | Bracing |
| Mar | 11 | Bracing |
| Apr | 13 | Bracing |
| May | 19 | Cool |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 28 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 19 | Cool |
| Dec | 15 | Bracing |
UV index in Rūdsar in Winter
Clear-sky midday UV across winter averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rūdsar peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 6 | 8 | 8 | 9 | 8 | 6 | 4 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Rūdsar 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 Rūdsar is worst in September — around 30 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 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) | 18 | 19 | 26 | 21 | 20 | 16 | 15 | 21 | 30 | 28 | 22 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 19 | Moderate |
| Mar | 26 | Moderate |
| Apr | 21 | Moderate |
| May | 20 | Moderate |
| Jun | 16 | Moderate |
| Jul | 15 | Moderate |
| Aug | 21 | Moderate |
| Sep | 30 | Moderate |
| Oct | 28 | Moderate |
| Nov | 22 | Moderate |
| Dec | 18 | Moderate |
Where is Rūdsar?
Rūdsar sits at 37.1°N, 50.3°E, -23 m above sea level, in Iran. The nearest listed city is Amlash, 10 km away.
Topography around Rūdsar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rūdsar.
Within 3 km, the terrain around Rūdsar has only modest variations in elevation — a maximum elevation change of 16 m around an average of -22 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 974 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,165 m.
The land around Rūdsar is covered by cropland (38%) and artificial surfaces (25%) within 3 km, water (37%), trees (26%) and cropland (25%) within 16 km, and water (48%) and trees (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 Rūdsar (37.137°, 50.2917°, elevation -23 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.