1,188 places · 1991–2020 normals
Japan in
May.
Day, night and rain figures are the measured May normals from each place’s qualifying NOAA station. Open a place for that month’s full answer.
Read these as long-term planning evidence, not a forecast. Compare daytime and overnight temperature together, then use rainfall and wet-day frequency to judge how often outdoor plans may need flexibility. Mountain, coastal and island conditions can differ sharply over short distances, so the linked place page and its station distance matter more than the country average. Before booking, check current local forecasts, seasonal closures, daylight, transport and any weather warnings. Data collection uses the 1991–2020 station-normal period; the published evidence was rechecked on 3 September 2026.
Use the table to shortlist places, then open each place page to compare the reporting station, distance and all twelve months. A small country table can contain only a few qualifying stations; that is a coverage limit, not evidence that other places share the same conditions.
| Place | Day | Night | Rain | Wet days | Comfort |
|---|---|---|---|---|---|
| TokyoTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| YokohamaKanagawa | 23.3°C | 15.2°C | 159 mm | 10.1 | 73 |
| OsakaOsaka | 24.9°C | 15.7°C | 139 mm | 8.1 | 77 |
| NagoyaAichi | 24.7°C | 14.5°C | 168 mm | 9.1 | 73 |
| SapporoHokkaido | 18.2°C | 8.7°C | 58 mm | 8.9 | 61 |
| FukuokaFukuoka | 24.3°C | 15.7°C | 149 mm | 9.7 | 76 |
| KawasakiKanagawa | 23.3°C | 15.2°C | 159 mm | 10.1 | 73 |
| KobeHyōgo | 23.7°C | 15.7°C | 129 mm | 8.2 | 80 |
| KyotoKyoto | 25.2°C | 14.1°C | 142 mm | 8.3 | 75 |
| SaitamaSaitama | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| HiroshimaHiroshima | 24.4°C | 14.6°C | 181 mm | 8.8 | 72 |
| SendaiMiyagi | 20.5°C | 11.3°C | 125 mm | 9.3 | 63 |
| ChibaChiba | 23.3°C | 15.2°C | 130 mm | 10.1 | 77 |
| KitakyushuFukuoka | 22.8°C | 15.8°C | 143 mm | 8.1 | 75 |
| SetagayaTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| SakaiOsaka | 24.9°C | 15.7°C | 139 mm | 8.1 | 77 |
| NiigataNiigata | 21.6°C | 12.7°C | 94 mm | 9.7 | 74 |
| ŌtaTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| AiharaKanagawa | 23.3°C | 15.2°C | 159 mm | 10.1 | 73 |
| OkayamaOkayama | 25.1°C | 14.3°C | 107 mm | 8.1 | 80 |
| SagamiharaKanagawa | 23.3°C | 15.2°C | 159 mm | 10.1 | 73 |
| EdogaweTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| AdachiTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| ShizuokaShizuoka | 23.7°C | 14.4°C | 231 mm | 8.9 | 65 |
| HonchōChiba | 23.3°C | 15.2°C | 130 mm | 10.1 | 77 |
| KawaguchiSaitama | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| KagoshimaKagoshima | 25.5°C | 16.9°C | 257 mm | 11.7 | 53 |
| SuginamiIbaraki | 22.2°C | 11.9°C | 146 mm | 10.9 | 66 |
| ItabashiTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| HachiōjiTokyo | 23.3°C | 15.2°C | 159 mm | 10.1 | 73 |
| UtsunomiyaTochigi | 23.6°C | 12.7°C | 150 mm | 10.9 | 71 |
| MatsuyamaEhime | 24.1°C | 14.5°C | 124 mm | 8.3 | 82 |
| MatsudoChiba | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| IchikawaChiba | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| HigashiosakaOsaka | 24.9°C | 15.7°C | 139 mm | 8.1 | 77 |
| NishinomiyaHyōgo | 23.7°C | 15.7°C | 129 mm | 8.2 | 80 |
| KurashikiOkayama | 25.1°C | 14.3°C | 107 mm | 8.1 | 80 |
| KanazawaIshikawa | 22.3°C | 13.1°C | 132 mm | 9.8 | 71 |
| AmagasakiHyōgo | 24.9°C | 15.7°C | 139 mm | 8.1 | 77 |
| KatsushikaTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| FujisawaKanagawa | 23.3°C | 15.2°C | 159 mm | 10.1 | 73 |
| KashiwaChiba | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| MachidaTokyo | 23.3°C | 15.2°C | 159 mm | 10.1 | 73 |
| ToyotaAichi | 24.7°C | 14.5°C | 168 mm | 9.1 | 73 |
| TakamatsuKagawa | 24.8°C | 14.7°C | 103 mm | 7.6 | 83 |
| ToyamaToyama | 22.9°C | 12.4°C | 121 mm | 10.1 | 73 |
| NagasakiNagasaki | 23.8°C | 15.6°C | 191 mm | 10.8 | 69 |
| HirakataOsaka | 24.9°C | 15.7°C | 139 mm | 8.1 | 77 |
| GifuGifu | 25°C | 14°C | 195 mm | 9.1 | 67 |
| ToyonakaOsaka | 24.9°C | 15.7°C | 139 mm | 8.1 | 77 |
| MiyazakiMiyazaki | 25°C | 15.7°C | 258 mm | 12.6 | 56 |
| SuitaOsaka | 24.9°C | 15.7°C | 139 mm | 8.1 | 77 |
| OkazakiAichi | 24.7°C | 14.5°C | 168 mm | 9.1 | 73 |
| IchinomiyaAichi | 25°C | 14°C | 195 mm | 9.1 | 67 |
| TakasakiGunma | 24.5°C | 13.2°C | 100 mm | 9.9 | 80 |
| NaganoNagano | 23.1°C | 10.3°C | 75 mm | 8.4 | 78 |
| KawagoeSaitama | 25°C | 13.6°C | 109 mm | 9.2 | 78 |
| TakatsukiOsaka | 24.9°C | 15.7°C | 139 mm | 8.1 | 77 |
| ShinjukuTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| KoshigayaSaitama | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| ŌtsuShiga | 25.2°C | 14.1°C | 142 mm | 8.3 | 75 |
| NakanoTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| TokorozawaSaitama | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| MaebashiGunma | 24.5°C | 13.2°C | 100 mm | 9.9 | 80 |
| KitaTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |
| KochiKochi | 24.9°C | 15°C | 254 mm | 9.8 | 60 |
| NahaOkinawa | 27.1°C | 22°C | 263 mm | 12.7 | 36 |
| KasugaiAichi | 24.7°C | 14.5°C | 168 mm | 9.1 | 73 |
| AkashiHyōgo | 23.7°C | 15.7°C | 129 mm | 8.2 | 80 |
| ToshimaTokyo | 23.6°C | 15.4°C | 141 mm | 9.2 | 78 |