Climate averages 1991–2020

Shahr-e Ṣadrā weather
in May.

A warm, very dry month: the 5th warmest and the 6th driest of the year. Meets the pleasant-weather rule

Long-term climate patterns, not a forecast for a particular trip.

Average high 26.8°C Daytime mean, May
Average low 11.4°C Night-time mean, May
Rainfall 4.5 mm 1 day with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Shahr-e Ṣadrā · average highYear overview

May is a warm month in Shahr-e Ṣadrā: daytime highs average 26.8°C and nights cool to about 11.4°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 4.5 mm of rain on roughly 1 day, which makes May a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 38 min on an average May day.

The nearest other city in this atlas is Shiraz (21 km away). In May its highs average 30.0°C, 3.2°C warmer than Shahr-e Ṣadrā, with 7.6 mm of rain.

Among the 128 cities listed in Iran, Shahr-e Ṣadrā ranks joint 62nd of 128 for the warmest May highs and joint 22nd of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Shahr-e Ṣadrā is 1.0°C cooler than that mean.

From May to June, average highs rise by 5.5°C to 32.3°C, and monthly rainfall falls from 4.5 mm to under 1 mm.

The annual picture

May in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -50510152025303540 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Shahr-e Ṣadrā climate table

1991–2020
Monthly climate averages for Shahr-e Ṣadrā, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 8.6°C-2.1°C-2.1°C827.110.510 h
February 10.9°C-0.8°C-0.8°C596.711.111 h
March 14.9°C2.0°C2.0°C606.812.012 h
April 20.2°C6.6°C6.6°C264.312.913 h
May, selected 26.8°C11.4°C11.4°C4.51.113.614 h
June 32.3°C16.0°C16.0°C0.20.114.014 h
July 34.4°C18.9°C18.9°C0.20.113.914 h
August 33.2°C18.3°C18.3°C0.50.213.213 h
September 29.5°C14.7°C14.7°C0.10.012.412 h
October 23.5°C9.9°C9.9°C2.50.711.511 h
November 16.1°C4.4°C4.4°C283.410.711 h
December 11.5°C0.3°C0.3°C584.910.310 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

May in nearby cities

Distance from Shahr-e Ṣadrā

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Shahr-e Ṣadrā) is explained once on the Shahr-e Ṣadrā year overview and on the Sources, method and limits page.