Sīmīn Shahr in Spring
In spring (March, April and May), Sīmīn Shahr sees average daytime highs around 22°C and overnight lows near 14°C, with 139 mm of rain over about 22 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 15°C in early March to 29°C by late May. The sky is clear or mostly clear about 43% of the time across spring, and the air most often feels dry.
Spring is Sīmīn Shahr's 2nd-best season to visit on our travel score. For the whole year in context, see Sīmīn Shahr's year-round climate.
- Avg daytime high
- 22°C
- 3rd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 139 mm
- 22 wet days
- Avg wind
- 8 km/h
- Travel score
- 6.7
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Sīmīn Shahr in Spring
Over the season highs climb from about 15°C in early March to 29°C by late May.
A typical spring day in Sīmīn Shahr reaches about 22°C and drops to 14°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Sīmīn Shahr
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Sīmīn Shahr 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 | 13° / 5° | 61 | 8.7 | 0.2 | 9.7 | 3.7 |
| Feb | 13° / 6° | 65 | 8.9 | 0.8 | 10.6 | 4.0 |
| Mar | 17° / 9° | 66 | 9.6 | 0 | 11.7 | 5.5 |
| Apr | 21° / 14° | 45 | 7.2 | 0 | 12.9 | 7.1 |
| May | 26° / 18° | 28 | 4.7 | 0 | 14 | 7.5 |
| Jun | 30° / 23° | 16 | 3.2 | 0 | 14.5 | 6.0 |
| Jul | 32° / 25° | 18 | 4.5 | 0 | 14.3 | 4.7 |
| Aug | 33° / 26° | 15 | 3.4 | 0 | 13.4 | 4.4 |
| Sep | 30° / 22° | 34 | 5.2 | 0 | 12.3 | 5.9 |
| Oct | 25° / 17° | 54 | 5.5 | 0 | 11 | 7.9 |
| Nov | 19° / 11° | 74 | 8.4 | 0.2 | 10 | 6.4 |
| Dec | 14° / 7° | 54 | 7.9 | 0.2 | 9.5 | 4.5 |
Cloud cover in Spring
The sky is clear or mostly clear about 43% of the time across spring.
Chance of precipitation in Spring
Sīmīn Shahr gets around 139 mm of rain over 22 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 8 km/h across spring.
Sunrise & sunset in Spring
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.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.2 kWh/m².
Is spring a good time to visit Sīmīn Shahr?
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 a reasonable time to visit Sīmīn Shahr for sightseeing.
What to pack for Sīmīn Shahr in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Sīmīn Shahr sees daytime highs around 22°C and nights near 14°C. Pack sun protection. Worth having: light clothes, a warm layer and rain gear. About 22 days see rain.
Sea temperature near Sīmīn Shahr in Spring
The nearest coast averages about 16°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 34 km away) is warmest in August at about 29°C and coldest in February near 11°C.
It's comfortable for a long swim from May 13 to Nov 6 — about 5.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 11 | 12 | 16 | 21 | 25 | 28 | 29 | 27 | 23 | 19 | 15 |
| Comfort | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Tropical | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 11 | Bracing |
| Mar | 12 | Bracing |
| Apr | 16 | Cool |
| May | 21 | Refreshing |
| Jun | 25 | Warm |
| Jul | 28 | Warm |
| Aug | 29 | Tropical |
| Sep | 27 | Warm |
| Oct | 23 | Refreshing |
| Nov | 19 | Cool |
| Dec | 15 | Bracing |
UV index in Sīmīn Shahr in Spring
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 Sīmīn Shahr peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 7 | 8 | 10 | 8 | 6 | 4 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Sīmīn Shahr 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 Sīmīn Shahr is worst in September — around 29 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 23 | 23 | 25 | 25 | 22 | 21 | 19 | 22 | 29 | 27 | 25 | 23 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 23 | Moderate |
| Feb | 23 | Moderate |
| Mar | 25 | Moderate |
| Apr | 25 | Moderate |
| May | 22 | Moderate |
| Jun | 21 | Moderate |
| Jul | 19 | Moderate |
| Aug | 22 | Moderate |
| Sep | 29 | Moderate |
| Oct | 27 | Moderate |
| Nov | 25 | Moderate |
| Dec | 23 | Moderate |
Where is Sīmīn Shahr?
Sīmīn Shahr sits at 37.0°N, 54.2°E, -18 m above sea level, in Iran. The nearest listed city is Gomīshān, 15 km away.
Topography around Sīmīn Shahr
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sīmīn Shahr.
Within 3 km, the terrain around Sīmīn Shahr has only modest variations in elevation — a maximum elevation change of 6 m around an average of -21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 21 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,905 m.
The land around Sīmīn Shahr is covered by cropland (76%) within 3 km, cropland (87%) within 16 km, and bare terrain (24%), cropland (22%) and water (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 Sīmīn Shahr (37.0142°, 54.23°, elevation -18 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.