Cluj-Napoca weather in July

In July, Cluj-Napoca has daytime highs averaging 25 °C, nights around 14 °C, with 15 wet days. Figures are 1991–2020 climate normals.

  1. Jan -2°
  2. Feb
  3. Mar
  4. Apr 10°
  5. May 15°
  6. Jun 18°
  7. Jul 20°
  8. Aug 20°
  9. Sep 15°
  10. Oct 10°
  11. Nov
  12. Dec -1°

Daily temperatures through July

11° 20° 28° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 25.8 °C and lows bottom out at 13.1 °C.

How July develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 July 24.6 °C 13.9 °C 45 %
11–20 July 24.4 °C 14.1 °C 49 %
21–31 July 25.4 °C 15.2 °C 49 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in July. Wettest date over the 30 years: July 22, at 67 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical July Share of the month
Days above 25 °C 15 of 31 49 %
Days above 30 °C 2.4 of 31 8 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 15 of 31 48 %

Conditions in July

MeasureAverage
Mean temperature 20 °C
Record high (1991–2020) 35 °C
Record low (1991–2020) 5.9 °C
Relative humidity 73 %
Wind speed 12 km/h
Cloud cover 48 %

July compared with the months around it

Month Avg high Rainfall Cloud
May 19.7 °C 87 mm 58 %
June 23.1 °C 106 mm 54 %
July 24.8 °C 101 mm 48 %
August 25.0 °C 82 mm 42 %
September 20.1 °C 71 mm 52 %

See all twelve months for Cluj-Napoca

QuestionsJuly in Cluj-Napoca, answered

How warm is Cluj-Napoca in July?

Daily highs average 25 °C and nights fall to about 14 °C, a spread of 10 °C between afternoon and dawn. That makes July the 1st warmest month of the year here.

Does it rain much in Cluj-Napoca in July?

July averages 101 mm of rain, spread over about 15 of the 31 days — 48 % of the month. Cloud cover averages 48 % of the sky.

How long are the days in July?

Cluj-Napoca averages 16 hours between sunrise and sunset in July. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.