Bonāb in Spring

In spring (March, April and May), Bonāb sees average daytime highs around 20°C and overnight lows near 8°C, with 95 mm of precipitation over about 21 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.

Over the season highs climb from about 11°C in early March to 29°C by late May. The sky is clear or mostly clear about 50% of the time across spring, and the air most often feels dry.

Spring is Bonāb's 2nd-best season to visit on our travel score. For the whole year in context, see Bonāb's year-round climate.

Avg daytime high: 20°C; 3rd-warmest season
Avg overnight low: 8°C
Precipitation: 95 mm; 21 wet days
Avg wind: 10 km/h
Travel score: 6.2; 2nd-best season
Months: Mar · Apr · May

← Winter Bonāb year-round climate Summer →

Spring Summer Fall Winter

Temperature in Bonāb in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 11°C in early March to 29°C by late May.

A typical spring day in Bonāb reaches about 20°C and drops to 8°C overnight. The warmest of the three months is May, the coolest March.

How spring really feels in Bonāb

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 17 that feel at or below 0°C.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.

Bonāb 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	6° / -3°	25	5.9	3.1	9.7	0.4
Feb	8° / -1°	30	6.5	2.6	10.6	1.6
Mar	14° / 3°	37	7.9	0.9	11.7	4.3
Apr	20° / 8°	37	7.2	0.1	12.9	6.8
May	26° / 13°	21	5.9	0	14	7.6
Jun	31° / 18°	4	1.2	0	14.5	5.7
Jul	35° / 21°	1	0.5	0	14.3	3.8
Aug	35° / 20°	1	0.4	0	13.4	3.8
Sep	30° / 15°	1	0.3	0	12.3	7.0
Oct	23° / 10°	11	2.5	0	11	8.4
Nov	14° / 3°	28	5.3	0.5	10	4.7
Dec	8° / -1°	27	6	1.7	9.5	1.5

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time across spring.

Chance of precipitation in Spring

Any precipitationSnow

Bonāb gets around 95 mm of rain and snow over 21 wet days across spring. The line is the day-by-day chance of measurable precipitation.

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.

Wind in Spring

Winds average 10 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 06 min in early March to 14 h 24 min by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.2 kWh/m².

Planning a trip in spring

Is spring a good time to visit Bonāb?

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.

6.2

Sightseeing

2nd-best month of the year

3.5

Beach & pool

3rd-best month of the year

spring is a reasonable time to visit Bonāb for sightseeing.

What to pack for Bonāb in Spring

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

In spring, Bonāb sees daytime highs around 20°C and nights near 8°C. Pack sun protection. Worth having: light clothes and a warm layer. About 21 days see rain.

sun protectionlight clothesa warm layer

UV index in Bonāb 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 Bonāb peaks around July 13 at about 10 (extreme) — 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 10 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	4	4	6	8	10	10	10	8	5	3	3
Level	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	2	Moderate
Feb	4	Moderate
Mar	4	Moderate
Apr	6	High
May	8	Very high
Jun	10	Extreme
Jul	10	Extreme
Aug	10	Extreme
Sep	8	Very high
Oct	5	High
Nov	3	Moderate
Dec	3	Moderate

Air quality in Bonāb 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 Bonāb is worst in April — around 34 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)	28	30	32	34	34	26	24	22	24	27	25	27
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	28	Moderate
Feb	30	Moderate
Mar	32	Moderate
Apr	34	Moderate
May	34	Moderate
Jun	26	Moderate
Jul	24	Moderate
Aug	22	Moderate
Sep	24	Moderate
Oct	27	Moderate
Nov	25	Moderate
Dec	27	Moderate

Location & terrain

Where is Bonāb?

Bonāb sits at 37.3°N, 46.1°E, 1,288 m above sea level, in Iran. The nearest listed city is Marāgheh, 17 km away.

Topography around Bonāb

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bonāb.

Within 3 km, the terrain around Bonāb has only modest variations in elevation — a maximum elevation change of 18 m around an average of 1,290 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 804 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,422 m.

The land around Bonāb is covered by cropland (38%), artificial surfaces (36%) and grassland (23%) within 3 km, grassland (34%), cropland (33%) and bare terrain (25%) within 16 km, and grassland (44%) and cropland (28%) within 80 km.

3 km

18 m

cropland 38%

16 km

804 m

grassland 34%

80 km

2,422 m

grassland 44%

treesgrasslandcroplandartificial surfacesbare terrainwater

← Winter Bonāb year-round climate Summer →

Spring weather nearby: Marāgheh 17 km · Ajab Shīr 21 km · Malekān 22 km · Mīāndoāb 42 km · Āz̄arshahr 47 km · Oskū 64 km · Īlkhchī 67 km · Khosrowshahr 68 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 Bonāb (37.3404°, 46.0561°, elevation 1,288 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.