昆明屬北(bei)緯低緯度(du)亞熱(re)(re)帶-高(gao)原山(shan)地季風氣(qi)(qi)(qi)候，氣(qi)(qi)(qi)候溫(wen)(wen)(wen)(wen)和，夏(xia)無酷(ku)暑，冬(dong)(dong)無嚴寒，四季如春(chun)。春(chun)季溫(wen)(wen)(wen)(wen)暖，干燥少(shao)雨(yu)，日(ri)(ri)(ri)溫(wen)(wen)(wen)(wen)變化大(da)；夏(xia)無酷(ku)暑，雨(yu)量(liang)(liang)(liang)集中，降(jiang)雨(yu)量(liang)(liang)(liang)占(zhan)全年(nian)(nian)雨(yu)量(liang)(liang)(liang)的(de)60%以上；秋(qiu)季溫(wen)(wen)(wen)(wen)涼，天(tian)高(gao)氣(qi)(qi)(qi)爽，雨(yu)水減少(shao)，霜(shuang)(shuang)期(qi)開始(shi)；冬(dong)(dong)無嚴寒，日(ri)(ri)(ri)照(zhao)充足，天(tian)晴少(shao)雨(yu)。全年(nian)(nian)溫(wen)(wen)(wen)(wen)差較小，市區年(nian)(nian)平均(jun)(jun)氣(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)在15℃左(zuo)右，最熱(re)(re)時月平均(jun)(jun)氣(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)19℃左(zuo)右，最冷時月平均(jun)(jun)氣(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)8℃左(zuo)右。日(ri)(ri)(ri)溫(wen)(wen)(wen)(wen)差較大(da)，紫外線強度(du)較高(gao)，在冬(dong)(dong)、春(chun)兩季，冬(dong)(dong)季日(ri)(ri)(ri)溫(wen)(wen)(wen)(wen)差可(ke)達(da)(da)12～20℃，夏(xia)季日(ri)(ri)(ri)溫(wen)(wen)(wen)(wen)差為可(ke)達(da)(da)4~10℃。年(nian)(nian)均(jun)(jun)降(jiang)水量(liang)(liang)(liang)1035mm，由于受印(yin)度(du)洋(yang)西南暖濕氣(qi)(qi)(qi)流的(de)影響，日(ri)(ri)(ri)照(zhao)長、霜(shuang)(shuang)期(qi)短，年(nian)(nian)均(jun)(jun)日(ri)(ri)(ri)照(zhao)2200小時左(zuo)右，無霜(shuang)(shuang)期(qi)240天(tian)以上。