Climate averages 1991–2020

Cluj-Napoca weather
in January.

A cold month with light precipitation: the coolest and the driest of the year.

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

Average high 1.7°C Daytime mean, January
Average low -5.6°C Night-time mean, January
Precipitation 33 mm 8 days with ≥1 mm
Daylight 9 h Sunrise to sunset, per day
Every month in Cluj-Napoca · average highYear overview

January is a cold month in Cluj-Napoca: daytime highs average 1.7°C and nights cool to about -5.6°C. By daytime temperature it is the coolest month of the year.

Expect about 33 mm of precipitation on roughly 8 days, which makes January a month with light precipitation (the driest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 00 min on an average January day.

The nearest other city in this atlas is Târgu Mureş (77 km away). In January its highs average 2.0°C, about as warm as Cluj-Napoca, with 32 mm of rain.

Among the 27 cities listed in Romania, Cluj-Napoca ranks joint 21st of 27 for the warmest January highs and joint 7th of 27 for the driest January (precipitation, lowest first). The mean January high of those 27 cities is 2.6°C; Cluj-Napoca is 1.0°C cooler than that mean.

From January to February, average highs rise by 2.4°C to 4.1°C, and monthly precipitation rises from 33 mm to 35 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. -10-5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation 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

Cluj-Napoca climate table

1991–2020
Monthly climate averages for Cluj-Napoca, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 1.7°C-5.6°C-5.6°C338.09.09 h
February 4.1°C-4.6°C-4.6°C359.310.310 h
March 9.1°C-1.1°C-1.1°C4910.011.912 h
April 15.0°C3.8°C3.8°C6712.613.614 h
May 19.6°C9.0°C9.0°C8915.815.015 h
June 23.0°C12.8°C12.8°C10715.915.816 h
July 24.8°C14.5°C14.5°C10215.615.515 h
August 25.0°C14.5°C14.5°C8412.414.214 h
September 20.0°C10.2°C10.2°C7110.312.613 h
October 14.6°C5.0°C5.0°C569.010.911 h
November 8.5°C0.5°C0.5°C428.69.49 h
December 2.8°C-3.7°C-3.7°C438.88.69 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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 Cluj-Napoca

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 Cluj-Napoca) is explained once on the Cluj-Napoca year overview and on the Sources, method and limits page.