Zīr Āb in Spring
In spring (March, April and May), Zīr Āb sees average daytime highs around 17°C and overnight lows near 8°C, with 302 mm of precipitation over about 45 wet days across the season. It is the 3rd-warmest season and the 2nd-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 26% of the time across spring, and the air most often feels dry.
Spring is Zīr Āb's 3rd-best season to visit on our travel score. For the whole year in context, see Zīr Āb's year-round climate.
- Avg daytime high
- 17°C
- 3rd-warmest season
- Avg overnight low
- 8°C
- Precipitation
- 302 mm
- 45 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.6
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Zīr Āb in Spring
Over the season highs climb from about 12°C in early March to 23°C by late May.
A typical spring day in Zīr Āb reaches about 17°C and drops to 8°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Zīr Āb
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 3 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Zīr Āb 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° / -1° | 71 | 9.7 | 6 | 9.8 | 2.0 |
| Feb | 10° / -0° | 79 | 11 | 6.3 | 10.6 | 2.2 |
| Mar | 13° / 3° | 100 | 14.3 | 4.5 | 11.7 | 3.4 |
| Apr | 17° / 8° | 98 | 15.1 | 0.9 | 12.9 | 4.8 |
| May | 21° / 13° | 105 | 16 | 0 | 13.9 | 5.6 |
| Jun | 25° / 17° | 75 | 11.8 | 0 | 14.4 | 6.5 |
| Jul | 27° / 19° | 73 | 12.8 | 0 | 14.2 | 6.2 |
| Aug | 27° / 19° | 83 | 12.3 | 0 | 13.4 | 6.2 |
| Sep | 24° / 16° | 153 | 14 | 0 | 12.2 | 6.2 |
| Oct | 20° / 11° | 124 | 12.6 | 0 | 11.1 | 6.1 |
| Nov | 15° / 5° | 105 | 11.9 | 1.8 | 10.1 | 4.4 |
| Dec | 11° / 1° | 69 | 9.3 | 4 | 9.6 | 2.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 26% of the time across spring.
Chance of precipitation in Spring
Zīr Āb gets around 302 mm of rain and snow over 45 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 6 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 Zīr Āb?
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 Zīr Āb for sightseeing.
What to pack for Zīr Āb in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Zīr Āb sees daytime highs around 17°C and nights near 8°C. Pack rain gear. Worth having: a warm layer and sun protection. About 45 days see rain.
UV index in Zīr Āb in Spring
Clear-sky midday UV across spring averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Zīr Āb peaks around July 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 5 | 8 | 10 | 9 | 11 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 5 | High |
| Apr | 8 | Very high |
| May | 10 | Very high |
| Jun | 9 | Very high |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Zīr Āb 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 Zīr Āb is worst in December — around 45 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (July, 22 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) | 43 | 41 | 39 | 38 | 33 | 25 | 22 | 24 | 31 | 36 | 41 | 45 |
| Level | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 43 | Poor |
| Feb | 41 | Poor |
| Mar | 39 | Poor |
| Apr | 38 | Poor |
| May | 33 | Moderate |
| Jun | 25 | Moderate |
| Jul | 22 | Moderate |
| Aug | 24 | Moderate |
| Sep | 31 | Moderate |
| Oct | 36 | Poor |
| Nov | 41 | Poor |
| Dec | 45 | Poor |
Where is Zīr Āb?
Zīr Āb sits at 36.2°N, 53.0°E, 398 m above sea level, in Iran. The nearest listed city is Qā’em Shahr, 33 km away.
Topography around Zīr Āb
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Zīr Āb.
Within 3 km, the terrain around Zīr Āb has large variations in elevation — a maximum elevation change of 760 m around an average of 648 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,045 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,024 m.
The land around Zīr Āb is covered by trees (81%) within 3 km, trees (89%) within 16 km, and trees (32%) and grassland (32%) 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 Zīr Āb (36.1797°, 52.9735°, elevation 398 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.