Climate averages 1991–2020

Behshahr weather
in May.

A warm, fairly dry month: the 5th warmest and the 4th driest of the year. Meets the pleasant-weather rule

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

Average high 25.1°C Daytime mean, May
Average low 16.6°C Night-time mean, May
Rainfall 33 mm 6 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Behshahr · average highYear overview

May is a warm month in Behshahr: daytime highs average 25.1°C and nights cool to about 16.6°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 33 mm of rain on roughly 6 days, which makes May a fairly dry month (the 4th 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 Sari (46 km away). In May its highs average 24.7°C, about as warm as Behshahr, with 49 mm of rain.

Among the 128 cities listed in Iran, Behshahr ranks 78th of 128 for the warmest May highs and joint 96th of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Behshahr is 2.7°C cooler than that mean.

From May to June, average highs rise by 3.8°C to 28.9°C, and monthly rainfall falls from 33 mm to 25 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. 05101520253035 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

Behshahr climate table

1991–2020
Monthly climate averages for Behshahr, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 12.7°C3.6°C3.6°C647.410.010 h
February 13.1°C3.8°C3.8°C658.910.811 h
March 16.4°C7.2°C7.2°C7110.111.912 h
April 20.7°C11.7°C11.7°C508.113.113 h
May, selected 25.1°C16.6°C16.6°C335.814.114 h
June 28.9°C20.8°C20.8°C254.414.615 h
July 31.2°C23.5°C23.5°C254.714.414 h
August 32.2°C23.8°C23.8°C224.613.614 h
September 28.5°C20.8°C20.8°C718.312.512 h
October 23.9°C15.6°C15.6°C787.911.311 h
November 18.0°C9.8°C9.8°C878.810.310 h
December 14.5°C5.8°C5.8°C597.59.710 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 Behshahr

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