Surian in Spring
In spring (March, April and May), Surian sees average daytime highs around 21°C and overnight lows near 9°C, with 55 mm of precipitation over about 14 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 14°C in early March to 30°C by late May. The sky is clear or mostly clear about 55% of the time across spring, and the air most often feels dry.
Spring is Surian's 2nd-best season to visit on our travel score. For the whole year in context, see Surian's year-round climate.
- Avg daytime high
- 21°C
- 3rd-warmest season
- Avg overnight low
- 9°C
- Precipitation
- 55 mm
- 14 wet days
- Avg wind
- 12 km/h
- Travel score
- 7.0
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Surian in Spring
Over the season highs climb from about 14°C in early March to 30°C by late May.
A typical spring day in Surian reaches about 21°C and drops to 9°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Surian
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 8 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Surian 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / -2° | 22 | 4.2 | 1.9 | 10.3 | 2.4 |
| Feb | 12° / 1° | 17 | 3.6 | 0.9 | 10.9 | 3.9 |
| Mar | 16° / 4° | 23 | 5.1 | 0.2 | 11.8 | 6.0 |
| Apr | 21° / 9° | 21 | 5.4 | 0 | 12.7 | 7.4 |
| May | 27° / 14° | 11 | 3.2 | 0 | 13.5 | 7.7 |
| Jun | 32° / 19° | 2 | 0.2 | 0 | 13.9 | 5.3 |
| Jul | 34° / 22° | 0 | 0.1 | 0 | 13.8 | 4.3 |
| Aug | 32° / 20° | 0 | 0.1 | 0 | 13.1 | 5.4 |
| Sep | 29° / 16° | 0 | 0.1 | 0 | 12.2 | 7.5 |
| Oct | 23° / 10° | 5 | 1.3 | 0 | 11.3 | 9.0 |
| Nov | 16° / 4° | 12 | 2.7 | 0.1 | 10.5 | 6.3 |
| Dec | 12° / 0° | 16 | 2.9 | 0.8 | 10.1 | 3.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 55% of the time across spring.
Chance of precipitation in Spring
Surian gets around 55 mm of rain and snow over 14 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 12 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early March to 13 h 48 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.8 kWh/m².
Is spring a good time to visit Surian?
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.
spring is one of the better times to visit Surian for general sightseeing.
What to pack for Surian in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Surian sees daytime highs around 21°C and nights near 9°C. Pack light clothes and sun protection. Worth having: a warm layer. About 14 days see rain.
UV index in Surian in Spring
Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Surian peaks around July 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 | 8 | 9 | 11 | 12 | 12 | 11 | 10 | 8 | 5 | 4 |
| Level | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 7 | High |
| Mar | 8 | Very high |
| Apr | 9 | Very high |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Air quality in Surian in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Surian is worst in April — around 32 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 13 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) | 17 | 22 | 25 | 32 | 29 | 19 | 24 | 17 | 20 | 18 | 13 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 22 | Moderate |
| Mar | 25 | Moderate |
| Apr | 32 | Moderate |
| May | 29 | Moderate |
| Jun | 19 | Moderate |
| Jul | 24 | Moderate |
| Aug | 17 | Moderate |
| Sep | 20 | Moderate |
| Oct | 18 | Moderate |
| Nov | 13 | Moderate |
| Dec | 14 | Moderate |
Where is Surian?
Surian sits at 30.5°N, 53.7°E, 2,182 m above sea level, in Iran. The nearest listed city is Şafāshahr, 47 km away.
Topography around Surian
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Surian.
Within 3 km, the terrain around Surian has significant variations in elevation — a maximum elevation change of 310 m around an average of 2,234 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,532 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,988 m.
The land around Surian is covered by bare terrain (67%) and cropland (23%) within 3 km, bare terrain (75%) within 16 km, and bare terrain (79%) 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 Surian (30.4551°, 53.651°, elevation 2,182 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.