Rūdsar in Spring

In spring (March, April and May), Rūdsar sees average daytime highs around 17°C and overnight lows near 13°C, with 220 mm of precipitation over about 32 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 12°C in early March to 23°C by late May. The sky is clear or mostly clear about 35% of the time across spring, and the air most often feels dry.

Spring is Rūdsar's 3rd-best season to visit on our travel score. For the whole year in context, see Rūdsar's year-round climate.

Avg daytime high
17°C
3rd-warmest season
Avg overnight low
13°C
Precipitation
220 mm
32 wet days
Avg wind
11 km/h
Travel score
5.1
3rd-best season
Months
Mar · Apr · May

Temperature in Rūdsar in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 12°C in early March to 23°C by late May.

A typical spring day in Rūdsar reaches about 17°C and drops to 13°C overnight. The warmest of the three months is May, the coolest March.

10°15°20°25°30°MarAprMay

Rūdsar weather by month

How the three spring months (March, April and May) 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° / 123131.29.72.7
Feb11° / 11612.51.610.62.4
Mar13° / 10613.50.411.73.3
Apr16° / 12°7410.6012.95.0
May21° / 17°417.70146.9
Jun25° / 22°466.6014.57.8
Jul28° / 24°497.1014.37.1
Aug28° / 25°608.8013.46.6
Sep25° / 22°14512.8012.36.6
Oct22° / 18°18914.80116.0
Nov17° / 14°18614.50.2104.8
Dec13° / 10°136130.59.53.5

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitationSnow

Rūdsar gets around 220 mm of rain and snow over 32 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%MarAprMay

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 11 km/h across spring.

051015MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 06 min in early March to 14 h 18 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.2 kWh/m².

0246MarAprMay
Planning a trip in spring

Hazard calendar for Rūdsar

In seasonPeak

In spring, Rūdsar overlaps its rainy season and dust 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.

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

Is spring a good time to visit Rūdsar?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

5.1
Sightseeing
3rd-best month of the year
1.7
Beach & pool
3rd-best month of the year

spring is a reasonable time to visit Rūdsar for sightseeing.

What to pack for Rūdsar in Spring

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

In spring, Rūdsar sees daytime highs around 17°C and nights near 13°C. Pack sun protection. Worth having: a warm layer and rain gear. About 32 days see rain.

sun protectiona warm layerrain gear

Sea temperature near Rūdsar in Spring

The nearest coast averages about 14°C across spring — 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.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar11Bracing
Apr13Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec15Bracing

UV index in Rūdsar in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 9Jan 11UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Rūdsar in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 2129 µg/m³Jul 1115 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar26Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul15Moderate
Aug21Moderate
Sep30Moderate
Oct28Moderate
Nov22Moderate
Dec18Moderate
Location & terrain

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.

3 km
16 m
16 km
974 m
80 km
4,165 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Spring weather nearby: Amlash 10 km · Langarūd 14 km · Lāhījān 26 km · Āstāneh-ye Ashrafīyeh 34 km · Sīāhkal 37 km · Rāmsar 40 km · Katālem va Sādāt Shahr 45 km · Khomām 63 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 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.