Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 1 : Introduction and Existing Condition  7 of 11  Figure 1-2  Earthquake zone of Giresun Source: www.deprem.gov.tr  In the region, there is a rainy climate in all seasons with cool summers and mild winters. Giresun's annual average temperature is 14.5. With a temperature of 23.1, August is the hottest month  of the year. The average temperature in February is 7.1, which is the lowest in the year. The annual  mean rainfall is 1288 mm. Even in the driest months, the amount of rainfall is quite high. May is the  Source: www.mgm.gov.tr  1_Vol3_d4 3_Section 1_IntroExisting Condition_GIR_rev8  Table 1-1 Temperatures and precipitation amounts in Giresun  1.3.4 Climate and meteorology  Average Temperature  (°C) Average Highest Temperature  (°C) Average Lowest Temperature  (°C) Average Sunshine Duration (hrs) Average Number of  Days with Precipitation  Average Monthly Total Precipatition  (mm) January  7.2  10.6  4.6  1.3  14.7  128.3  February  7.1  10.6  4.3  1.8  14.2  100.9  March  8.1  11.8  5.2  1.7  15.8  97.9  April  11.3  15.1  8.4  2.4  14.7  75.5  May  15.6  18.9  12.8  2.9  14.1  68  June  20.1  23.4  17  3.8  12  77  July  22.8  26.1  19.8  3.4  10.6  78.5  August  23.1  26.6  20.3  2.9  10.8  89.6  September  20  23.6  17.3  2.3  12.4  129.5  October  16.3  19.9  13.7  1.6  14  163.4  November  12.6  16.3  10  2  13.3  151.6  December  9.4  12.8  6.7  1.3  14.3  127.8  Annual  14.5  18  11.7  27.4  160.9  1288 