Climate averages 1991–2020

Iranshahr weather
in January.

A mild, fairly dry month: the coolest and the wettest of the year. Meets the pleasant-weather rule

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

Average high 20.1°C Daytime mean, January
Average low 7.1°C Night-time mean, January
Rainfall 21 mm 3 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Iranshahr · average highYear overview

January is a mild month in Iranshahr: daytime highs average 20.1°C and nights cool to about 7.1°C. By daytime temperature it is the coolest month of the year.

Expect about 21 mm of rain on roughly 3 days, which makes January a fairly dry month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 38 min on an average January day.

The nearest other city in this atlas is Zahedan (256 km away). In January its highs average 13.5°C, 6.6°C cooler than Iranshahr, with 24 mm of rain.

Among the 128 cities listed in Iran, Iranshahr ranks 3rd of 128 for the warmest January highs and joint 10th of 128 for the driest January (rainfall, lowest first). The mean January high of those 128 cities is 8.6°C; Iranshahr is 11.5°C warmer than that mean.

From January to February, average highs rise by 2.8°C to 23.0°C, and monthly rainfall falls from 21 mm to 17 mm.

The annual picture

January 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. 51015202530354045 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 500

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

Every month, side by side

Iranshahr climate table

1991–2020
Monthly climate averages for Iranshahr, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 20.1°C7.1°C7.1°C212.910.611 h
February 23.0°C9.3°C9.3°C172.711.211 h
March 27.5°C13.3°C13.3°C202.912.012 h
April 34.0°C18.6°C18.6°C4.30.612.813 h
May 39.4°C23.5°C23.5°C0.30.113.513 h
June 42.2°C26.4°C26.4°C1.20.313.814 h
July 42.2°C27.5°C27.5°C1.80.513.714 h
August 41.0°C26.0°C26.0°C1.10.413.113 h
September 38.3°C22.3°C22.3°C0.10.012.312 h
October 33.6°C18.0°C18.0°C2.50.311.512 h
November 27.1°C12.4°C12.4°C2.70.710.811 h
December 22.3°C8.2°C8.2°C101.610.510 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

January in nearby cities

Distance from Iranshahr

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