Climate Change Chart of Izmir, Türkiye

Overview of climate changes

Temperature changes

Monthly mean temperatures were higher on average in the more recent period, with a difference of +1.34 °C averaged across calendar months. This is an unweighted mean of the monthly means, not a day-weighted annual average, and it describes an aggregate difference rather than a change in every month. The largest monthly increase was in March, with a difference of +2.27 °C. This monthly mean comparison should not be read as a daytime maximum or as evidence of a continuous trend between the reference periods.

Changes in rainfall

Mean daily rainfall was lower on average in the more recent period, with a difference of -0.22 mm/day averaged across calendar months. This unweighted mean of monthly means is not a day-weighted annual average, and it does not imply that rainfall decreased in every month. The largest monthly decrease was in December, with a difference of -2.56 mm/day in mean daily rainfall. By contrast, the largest monthly increase occurred in June, with a difference of +0.89 mm/day. These are daily means, not monthly rainfall totals.

Changes in sunshine duration

Mean daily sunshine duration was lower on average in the more recent period, with a difference of -0.13 hours/day averaged across calendar months. This unweighted average of monthly means is not a day-weighted annual figure, and the aggregate decrease does not describe every month. The largest monthly decrease was in March, with a difference of -0.58 hours/day per day. The largest monthly increase was in December, with a difference of +0.44 hours/day per day, showing that the direction of the monthly differences varied.

Changes in snowfall

Mean daily snowfall was lower on average in the more recent period, with a difference of -0.09 mm/day averaged across calendar months. This is an unweighted mean of monthly means, not a day-weighted annual average; it summarizes the periods and does not mean snowfall was absent. The largest monthly decrease in mean daily snowfall occurred in January, with a difference of -0.54 mm/day. These figures describe daily means rather than monthly snowfall totals.