Climate averages 1991–2020

Yalova weather
in July.

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

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

Average high 29.0°C Daytime mean, July
Average low 19.9°C Night-time mean, July
Rainfall 24 mm 4 days with ≥1 mm
Daylight 15 h Sunrise to sunset, per day
Every month in Yalova · average highYear overview

July is a hot month in Yalova: daytime highs average 29.0°C and nights cool to about 19.9°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 24 mm of rain on roughly 4 days, which makes July a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 46 min on an average July day.

The nearest other city in this atlas is Gebze (21 km away). In July its highs average 27.2°C, 1.8°C cooler than Yalova, with 28 mm of rain.

Among the 138 cities listed in Turkey, Yalova ranks joint 87th of 138 for the warmest July highs and joint 105th of 138 for the driest July (rainfall, lowest first). The mean July high of those 138 cities is 30.9°C; Yalova is 1.9°C cooler than that mean.

From July to August, average highs rise by 0.3°C to 29.3°C, and monthly rainfall rises from 24 mm to 26 mm.

The annual picture

July 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. 05101520253035 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

Yalova climate table

1991–2020
Monthly climate averages for Yalova, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 8.8°C2.8°C2.8°C9012.89.610 h
February 9.9°C2.9°C2.9°C7311.810.611 h
March 12.6°C4.7°C4.7°C7610.811.912 h
April 17.0°C8.2°C8.2°C528.513.313 h
May 21.8°C13.0°C13.0°C396.614.414 h
June 26.3°C17.5°C17.5°C386.115.015 h
July, selected 29.0°C19.9°C19.9°C243.814.815 h
August 29.3°C20.5°C20.5°C263.313.814 h
September 25.4°C17.6°C17.6°C486.412.513 h
October 20.4°C13.9°C13.9°C739.011.211 h
November 15.2°C8.8°C8.8°C749.910.010 h
December 10.6°C4.9°C4.9°C10012.79.39 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

July in nearby cities

Distance from Yalova

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