福州屬典型的亞熱帶季(ji)風氣(qi)(qi)(qi)候，氣(qi)(qi)(qi)溫(wen)適(shi)宜(yi)，溫(wen)暖濕潤，四季(ji)常(chang)青，陽光充(chong)足(zu)，雨(yu)(yu)量充(chong)沛，霜(shuang)少無(wu)(wu)雪，夏(xia)長冬短。春(chun)季(ji)常(chang)陰雨(yu)(yu)綿綿，氣(qi)(qi)(qi)溫(wen)變化較(jiao)(jiao)大，是(shi)一年中陰雨(yu)(yu)天(tian)最(zui)多(duo)的季(ji)節。有(you)春(chun)雨(yu)(yu)期（3~4月(yue)(yue)）和梅(mei)雨(yu)(yu)期（5月(yue)(yue)）之分，春(chun)雨(yu)(yu)期天(tian)氣(qi)(qi)(qi)冷(leng)熱多(duo)變，有(you)的年份還會出現倒春(chun)寒(han)天(tian)氣(qi)(qi)(qi)和冰雹等(deng)強對(dui)流天(tian)氣(qi)(qi)(qi)；梅(mei)雨(yu)(yu)期溫(wen)度(du)(du)顯著升(sheng)高，濕度(du)(du)大，雨(yu)(yu)水多(duo)。夏(xia)季(ji)以晴熱高溫(wen)天(tian)氣(qi)(qi)(qi)為(wei)(wei)主(zhu)(zhu)，是(shi)出現局地熱雷雨(yu)(yu)天(tian)氣(qi)(qi)(qi)和熱帶風暴、臺風活動(dong)最(zui)集中的時期，每年平(ping)均臺風直(zhi)接登陸市境有(you)2次。秋季(ji)天(tian)高云(yun)淡，日照充(chong)足(zu)，濕度(du)(du)減(jian)小，溫(wen)度(du)(du)適(shi)宜(yi)。冬季(ji)雨(yu)(yu)量一般較(jiao)(jiao)少，氣(qi)(qi)(qi)候溫(wen)和，極(ji)少有(you)零(ling)下低溫(wen)出現。年平(ping)均氣(qi)(qi)(qi)溫(wen)為(wei)(wei)20~25℃，最(zui)冷(leng)月(yue)(yue)1~2月(yue)(yue)，平(ping)均氣(qi)(qi)(qi)溫(wen)達(da)6~10℃；最(zui)熱月(yue)(yue)7~8月(yue)(yue)，平(ping)均氣(qi)(qi)(qi)溫(wen)為(wei)(wei)33~37℃。年平(ping)均日照數為(wei)(wei)1700~1980小時，年平(ping)均降水量為(wei)(wei)900~2100毫米(mi)，年相對(dui)濕度(du)(du)約77%，無(wu)(wu)霜(shuang)期達(da)326天(tian)。主(zhu)(zhu)導風向為(wei)(wei)東北風，夏(xia)季(ji)以偏(pian)南風為(wei)(wei)主(zhu)(zhu)。