Climate averages 1991–2020

Nahāvand weather
in August.

A very hot, very dry month: the 2nd warmest and the driest of the year.

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

Average high 34.4°C Daytime mean, August
Average low 20.7°C Night-time mean, August
Rainfall <1 mm Almost no rain
Daylight 13 h Sunrise to sunset, per day
Every month in Nahāvand · average highYear overview

August is a very hot month in Nahāvand: daytime highs average 34.4°C and nights cool to about 20.7°C. By daytime temperature it is the 2nd warmest of the 12 months.

Rain is very rare: less than 1 mm falls in a typical August (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 26 min on an average August day.

The nearest other city in this atlas is Malāyer (43 km away). In August its highs average 33.6°C, 0.7°C cooler than Nahāvand, with almost no rain (under 1 mm).

Among the 128 cities listed in Iran, Nahāvand ranks joint 67th of 128 for the warmest August highs and joint 41st of 128 for the driest August (rainfall, lowest first). The mean August high of those 128 cities is 35.2°C; Nahāvand is 0.8°C cooler than that mean.

From August to September, average highs fall by 4.8°C to 29.6°C, and monthly rainfall stays under 1 mm.

The annual picture

August 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. -10-50510152025303540 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

Nahāvand climate table

1991–2020
Monthly climate averages for Nahāvand, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 3.5°C-5.8°C-5.8°C649.710.110 h
February 5.3°C-4.3°C-4.3°C6710.110.911 h
March 11.1°C0.4°C0.4°C9111.311.912 h
April 17.2°C5.8°C5.8°C7211.313.013 h
May 23.2°C11.7°C11.7°C317.213.914 h
June 30.4°C17.6°C17.6°C2.60.914.414 h
July 34.6°C21.1°C21.1°C0.70.114.214 h
August, selected 34.4°C20.7°C20.7°C0.50.213.413 h
September 29.6°C16.4°C16.4°C0.90.212.412 h
October 22.2°C10.3°C10.3°C254.411.411 h
November 13.1°C3.1°C3.1°C598.310.410 h
December 7.1°C-2.4°C-2.4°C628.19.910 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

August in nearby cities

Distance from Nahāvand

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