Climate averages 1991–2020

Constanţa weather
in August.

A warm, fairly dry month: the warmest and the 2nd driest of the year. Meets the pleasant-weather rule

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

Average high 27.2°C Daytime mean, August
Average low 19.8°C Night-time mean, August
Rainfall 31 mm 5 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Constanţa · average highYear overview

August is a warm month in Constanţa: daytime highs average 27.2°C and nights cool to about 19.8°C. By daytime temperature it is the warmest month of the year.

Expect about 31 mm of rain on roughly 5 days, which makes August a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 01 min on an average August day.

The nearest other city in this atlas is Varna (122 km away). In August its highs average 27.3°C, about as warm as Constanţa, with 33 mm of rain.

Among the 27 cities listed in Romania, Constanţa ranks 9th of 27 for the warmest August highs and 1st of 27 for the driest August (rainfall, lowest first). The mean August high of those 27 cities is 26.5°C; Constanţa is 0.7°C warmer than that mean.

From August to September, average highs fall by 4.7°C to 22.5°C, and monthly rainfall rises from 31 mm to 51 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. -5051015202530 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

Constanţa climate table

1991–2020
Monthly climate averages for Constanţa, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 4.8°C-0.7°C-0.7°C447.39.39 h
February 6.4°C0.0°C0.0°C336.210.410 h
March 9.8°C2.8°C2.8°C417.811.912 h
April 14.4°C6.9°C6.9°C336.913.413 h
May 20.0°C12.4°C12.4°C366.914.715 h
June 24.6°C17.3°C17.3°C396.815.415 h
July 27.1°C19.6°C19.6°C304.815.115 h
August, selected 27.2°C19.8°C19.8°C314.814.014 h
September 22.5°C15.6°C15.6°C515.912.613 h
October 17.0°C11.0°C11.0°C506.811.011 h
November 11.5°C6.1°C6.1°C457.19.710 h
December 6.4°C1.2°C1.2°C468.08.99 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 Constanţa

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