Sīāhkal in Spring
In spring (March, April and May), Sīāhkal sees average daytime highs around 19°C and overnight lows near 11°C, with 232 mm of precipitation over about 32 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 14°C in early March to 26°C by late May. The sky is clear or mostly clear about 29% of the time across spring, and the air most often feels dry.
Spring is Sīāhkal's 2nd-best season to visit on our travel score. For the whole year in context, see Sīāhkal's year-round climate.
- Avg daytime high
- 19°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Precipitation
- 232 mm
- 32 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.7
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Sīāhkal in Spring
Over the season highs climb from about 14°C in early March to 26°C by late May.
A typical spring day in Sīāhkal reaches about 19°C and drops to 11°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Sīāhkal
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.
Sīāhkal 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 | 12° / 3° | 116 | 11.2 | 1.6 | 9.7 | 3.0 |
| Feb | 12° / 4° | 117 | 11.6 | 2.2 | 10.6 | 3.0 |
| Mar | 15° / 7° | 109 | 13.1 | 0.4 | 11.7 | 4.3 |
| Apr | 19° / 11° | 77 | 10.6 | 0 | 12.9 | 5.9 |
| May | 24° / 15° | 47 | 8.5 | 0 | 14 | 7.0 |
| Jun | 28° / 19° | 66 | 7.7 | 0 | 14.5 | 6.7 |
| Jul | 30° / 22° | 76 | 8.7 | 0 | 14.3 | 5.4 |
| Aug | 30° / 22° | 96 | 10.6 | 0 | 13.4 | 5.2 |
| Sep | 26° / 19° | 169 | 13.8 | 0 | 12.3 | 6.0 |
| Oct | 22° / 14° | 188 | 14.6 | 0 | 11 | 6.0 |
| Nov | 17° / 10° | 178 | 13.2 | 0.3 | 10 | 5.0 |
| Dec | 14° / 6° | 125 | 11.3 | 0.6 | 9.5 | 3.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 29% of the time across spring.
Chance of precipitation in Spring
Sīāhkal gets around 232 mm of rain and snow over 32 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 7 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 5.1 kWh/m².
Is spring a good time to visit Sīāhkal?
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 Sīāhkal for sightseeing.
What to pack for Sīāhkal in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Sīāhkal sees daytime highs around 19°C and nights near 11°C. Worth packing: light clothes, a warm layer, rain gear and sun protection. About 32 days see rain.
Sea temperature near Sīāhkal 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 at the nearest coast (about 33 km away) 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 4 — about 5.4 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 Sīāhkal 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 Sīāhkal peaks around July 17 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 | 5 | 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 | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Sīāhkal 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 Sīāhkal is worst in March — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 14 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) | 21 | 21 | 27 | 23 | 21 | 17 | 14 | 20 | 25 | 23 | 21 | 20 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 21 | Moderate |
| Mar | 27 | Moderate |
| Apr | 23 | Moderate |
| May | 21 | Moderate |
| Jun | 17 | Moderate |
| Jul | 14 | Moderate |
| Aug | 20 | Moderate |
| Sep | 25 | Moderate |
| Oct | 23 | Moderate |
| Nov | 21 | Moderate |
| Dec | 20 | Moderate |
Where is Sīāhkal?
Sīāhkal sits at 37.2°N, 49.9°E, 47 m above sea level, in Iran. The nearest listed city is Lāhījān, 13 km away.
Topography around Sīāhkal
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sīāhkal.
Within 3 km, the terrain around Sīāhkal has only modest variations in elevation — a maximum elevation change of 148 m around an average of 44 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,255 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,710 m.
The land around Sīāhkal is covered by trees (40%) and cropland (39%) within 3 km, trees (56%) and cropland (34%) within 16 km, and water (35%), trees (25%) and grassland (25%) 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 Sīāhkal (37.1533°, 49.8714°, elevation 47 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.