Climate averages 1991–2020

Qazvin weather
in January.

A cold, moderately wet month: the coolest and the 7th driest of the year.

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

Average high 4.1°C Daytime mean, January
Average low -3.7°C Night-time mean, January
Rainfall 47 mm 8 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Qazvin · average highYear overview

January is a cold month in Qazvin: daytime highs average 4.1°C and nights cool to about -3.7°C. By daytime temperature it is the coolest month of the year.

Expect about 47 mm of rain on roughly 8 days, which makes January a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 59 min on an average January day.

The nearest other city in this atlas is Alvand (10 km away). In January its highs average 5.1°C, 1.0°C warmer than Qazvin, with 47 mm of rain.

Among the 128 cities listed in Iran, Qazvin ranks 100th of 128 for the warmest January highs and joint 74th of 128 for the driest January (rainfall, lowest first). The mean January high of those 128 cities is 8.6°C; Qazvin is 4.5°C cooler than that mean.

From January to February, average highs rise by 1.8°C to 5.9°C, and monthly rainfall rises from 47 mm to 57 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. -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 1000

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

Every month, side by side

Qazvin climate table

1991–2020
Monthly climate averages for Qazvin, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 4.1°C-3.7°C-3.7°C478.110.010 h
February 5.9°C-2.7°C-2.7°C579.210.811 h
March 11.9°C1.4°C1.4°C7211.011.912 h
April 18.4°C6.8°C6.8°C7411.113.113 h
May 24.0°C11.5°C11.5°C338.314.114 h
June 29.4°C15.2°C15.2°C7.42.014.615 h
July 32.1°C17.8°C17.8°C4.41.314.414 h
August 32.4°C18.3°C18.3°C3.00.713.514 h
September 28.2°C15.5°C15.5°C4.31.212.412 h
October 21.4°C10.6°C10.6°C305.411.311 h
November 12.5°C3.7°C3.7°C558.110.310 h
December 6.7°C-1.1°C-1.1°C488.59.710 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

January in nearby cities

Distance from Qazvin

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

Alvand lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.