Climate averages 1991–2020

Piranshahr weather
in May.

A mild, moderately wet month: the 5th warmest and the 6th driest of the year.

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

Average high 21.5°C Daytime mean, May
Average low 11.4°C Night-time mean, May
Rainfall 62 mm 13 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Piranshahr · average highYear overview

May is a mild month in Piranshahr: daytime highs average 21.5°C and nights cool to about 11.4°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 62 mm of rain on roughly 13 days, which makes May a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 06 min on an average May day.

The nearest other city in this atlas is Naqadeh (36 km away). In May its highs average 22.6°C, 1.1°C warmer than Piranshahr, with 26 mm of rain.

Among the 128 cities listed in Iran, Piranshahr ranks 120th of 128 for the warmest May highs and 124th of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Piranshahr is 6.3°C cooler than that mean.

From May to June, average highs rise by 6.5°C to 28.0°C, and monthly rainfall falls from 62 mm to 13 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. -10-505101520253035 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 1500

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

Every month, side by side

Piranshahr climate table

1991–2020
Monthly climate averages for Piranshahr, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 2.1°C-4.9°C-4.9°C8410.310.010 h
February 3.3°C-3.4°C-3.4°C9610.210.811 h
March 7.8°C0.5°C0.5°C10811.711.912 h
April 14.3°C5.4°C5.4°C9512.613.113 h
May, selected 21.5°C11.4°C11.4°C6212.914.114 h
June 28.0°C16.8°C16.8°C133.914.615 h
July 32.2°C20.1°C20.1°C5.51.714.414 h
August 32.6°C20.4°C20.4°C3.21.213.614 h
September 27.9°C16.6°C16.6°C7.72.012.512 h
October 20.6°C10.9°C10.9°C397.311.311 h
November 11.2°C3.0°C3.0°C718.610.310 h
December 4.6°C-2.6°C-2.6°C789.09.710 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 Piranshahr

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 Piranshahr) is explained once on the Piranshahr year overview and on the Sources, method and limits page.