Climate averages 1991–2020

Piranshahr weather
in December.

A cold, moderately wet month: the 10th warmest and the 8th driest of the year.

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

Average high 4.6°C Daytime mean, December
Average low -2.6°C Night-time mean, December
Rainfall 78 mm 9 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Piranshahr · average highYear overview

December is a cold month in Piranshahr: daytime highs average 4.6°C and nights cool to about -2.6°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 78 mm of rain on roughly 9 days, which makes December a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 42 min on an average December day.

The nearest other city in this atlas is Naqadeh (36 km away). In December its highs average 5.8°C, 1.2°C warmer than Piranshahr, with 37 mm of rain.

Among the 128 cities listed in Iran, Piranshahr ranks 124th of 128 for the warmest December highs and joint 106th of 128 for the driest December (rainfall, lowest first). The mean December high of those 128 cities is 10.9°C; Piranshahr is 6.3°C cooler than that mean.

From December to January, average highs fall by 2.6°C to 2.1°C, and monthly rainfall rises from 78 mm to 84 mm.

The annual picture

December 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 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, selected 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

December 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.