Climate averages 1991–2020

Sari weather
in May.

A warm, moderately wet month: the 5th warmest and the 2nd driest of the year.

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

Average high 24.7°C Daytime mean, May
Average low 14.5°C Night-time mean, May
Rainfall 49 mm 9 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Sari · average highYear overview

May is a warm month in Sari: daytime highs average 24.7°C and nights cool to about 14.5°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 49 mm of rain on roughly 9 days, which makes May a moderately wet month (the 2nd 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 Qā’em Shahr (20 km away). In May its highs average 24.3°C, about as warm as Sari, with 42 mm of rain.

Among the 128 cities listed in Iran, Sari ranks 83rd of 128 for the warmest May highs and 115th of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Sari is 3.1°C cooler than that mean.

From May to June, average highs rise by 3.8°C to 28.6°C, and monthly rainfall falls from 49 mm to 45 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. -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

Sari climate table

1991–2020
Monthly climate averages for Sari, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 12.2°C1.8°C1.8°C698.910.010 h
February 12.6°C2.1°C2.1°C7410.010.811 h
March 15.9°C5.1°C5.1°C8111.511.912 h
April 20.1°C9.5°C9.5°C609.613.113 h
May, selected 24.7°C14.5°C14.5°C498.514.114 h
June 28.6°C18.9°C18.9°C458.114.615 h
July 30.9°C21.6°C21.6°C5610.614.414 h
August 31.9°C22.0°C22.0°C6110.813.614 h
September 28.2°C19.1°C19.1°C11412.112.412 h
October 23.5°C13.7°C13.7°C10210.011.311 h
November 17.5°C8.0°C8.0°C969.910.310 h
December 13.8°C3.7°C3.7°C688.59.710 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 Sari

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